97 References
98
[1] Energy Information Administration, International Energy Outlook 2008,
September 2008 (www.eia.doe.gov/oiaf/ieo/index.html
[2] BP, ‘Statistical Review of World Energy’, June 2008.
[3] E. Bequerel, ‘Memoire sur les effets électriques produits sous l’influence
desrayons solaires’. C. R. Acad. Sci. 9 (1839) 561.
[4] Grätzel.M, ‘Photoelectrochemical cells’. Nature 414 (2001) 338.
[5] P. Peumans, A. Yakimov, S.R. Forrest, ‘Small molecular weight organic thin-film
photodetectors and solar cells’. J. Appl. Phys. 93 (2003) 3693.
[6] C.J. Brabec, N.S. Sariciftci, J.C. Hummelen, ‘Plastic Solar Cells.’ Adv. Funct.
Mater. 11 (2001) 15.
[7] S.E. Shaheen, C.J. Brabec, N.S. Sariciftci, F. Padinger, T. Fromherz, J.C.
Hummelen, ‘2.5 % Efficient Organic Solar Cells’. Appl. Phys. Lett. 78 (2001) 841.
[8] A. Yakimov, S.R. Forrest, ‘High photovoltage multiple-heterojunction organic
solar cells incorporating interfacial metallic nanoclusters’. Appl. Phys. Lett. 80
(2002) 1667.
[9] S.V. Chasteen, J.O. Harter, G. Rumbles, J.C. Scott, Y. Nakazawa, M. Jones, H.H.
Horhild, H. Tillman, S.A. Carter, ‘Comparison of blended versus layered
structures for poly(p-phenylene vinylene)-based polymer photovoltaics’. J. Appl.
Phys. 99 (2006) 033709.
[10] S.M. Schulles, P. Sullivan, B.M. Sanderson, T.S. Jones, ‘The role of molecular
architecture and layer composition on the properties and performance of CuPc-C60
photovoltaic devices’. Mater. Sci. Eng. C. 25 (2005) 858.
[11] J.J. Dittmer, K. Petritsch, E.A. Marseglia, R.H. Friend, H. Rost, A.B. Holmes,
‘Photovoltaic Properties of MEH-PPV/PPEI Blend Devices’. Synth. Met. 102
(1999) 879.
[12] A.C. Arango, P.J. Brock, S.A. Carter, ‘Charge transfer in photovoltaics consisting
of interpenetrating networks of conjugated polymer and TiO2 nanoparticles’. Appl.
Phys. Lett. 74 (1999) 1698.
99
[13] W. Greens, S.E. Shaheen, B. Wessling, C.J. Brabec, J. Poortmans,N.S. Sariciftci,
‘Dependence of field-effect hole mobility of PPV-based polymer films on the
spin-casting solvent’. Org. Electron. 3 (2002) 105.
[14] W. Ma, C. Yang, X. Gong, K. Lee, A.J. Heeger, ‘Thermally Stable, Efficient
Polymer Solar Cells with Nanoscale Control of the Interpenetrating Network
Morphology’. Adv. Funct. Mater. 15 (2005) 1617.
[15] M. Reyes-Reyes, K. Kim, D.L. Caroll, ‘High-efficiency photovoltaic devices
based on annealed poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1-
phenyl-(6,6)C61 blend’. Appl. Phys. Lett. 87 (2005) 083506.
[16] G. Li, V. Shirotriya, J. Huang, Y. Yao, T. Mariarty, K. Emery, Y. Yang, ‘High-
efficiency solution processable polymer photovoltaic cells by self-organization of
polymer blends’. Nat. Mater. 4 (2005) 864.
[17] G. Yu, J. Gao, J.C. Hummelen, F. Wudl, A.J. Heeger, ‘Polymer Photovoltaic
Cells: Enhanced Efficiencies via a Network of Internal Donor-Acceptor
Heterojunctions’. Science 270 (1995) 1789.
[18] S.W. Oh, H. Woo Rhee, C. Lee, Y. Chulkim, J. Kyeong Kim, J.W. Yu, The
photovoltaic effect of the p–n heterojunction organic photovoltaic device using a
nano template method’. Curr. Appl. Phys. 5 (2005) 55.
[19] P. Schilinsky, C. Waldauf, C.J. Brabec, ‘Recombination and loss analysis in
polythiophene based bulk heterojunction photodetectors’. Appl. Phys. Lett. 81
(2002) 3885.
[20] T. Martens, J.D. Haen, T. Munters, Z. Beelen, L. Goris, J. Mence, M.D.
Olieslaeger, D. Vanderzande, L. De Schepper, R. Anderiessen, ‘Disclosure of the
nanostructure of MDMO-PPV:PCBM bulk hetero-junction organic solar cells by a
combination of SPM and TEM’. Synth. Met. 138 (2003) 243.
[21] J. J. M. Halls, C. A. Walsh, N. C. Greenham, E. A. Marseglia, R. H. Friend, S. C.
Moratti, ‘A. B. Holmes, Efficient photodiodes from interpenetrating polymer
networks’. Nature (London) 376 (1995) 498.
[22] F. Padinger, R. Rittberger, N. S. Sariciftci, ‘Effects of Postproduction Treatment
on Plastic Solar Cells’. Adv. Funct. Mater. 13 (2003) 85.
100
[23] J. Nelson, ‘Organic photovoltaic films’. Curr. Opin. Solid State Mater. Sci. 6
(2002) 87.
[24] ‘Organic Solar Cell Architectures’, PhD Thesis by Dipl.Ing. Klaus Petritsch
Technischen Universitat Graz (Austria) (2000).
[25] M.R. Reyes, K. Kim, J. Dewald, R.S. Lopez, A. Avadhanula, S. Curran, D.L.
Carroll, ‘Meso-Structure Formation for Enhanced Organic Photovoltaic Cells’.
Org. Lett. 7 (2005) 5749.
[26] G. Li, V. Shrotriya, J. Huang, Y. Yao, T. Moriarty, K. Emery, Y. Yang, ‘High-
efficiency solution processable polymer photovoltaic cells by self-organization of
polymer blends’. Nat. Mater. 4 (2005) 864.
[27] J. Peet, Y. Kim, N.E. Coates, W.L. Ma, D. Moses, A.J. Heeger, G.C. Bazan,
‘Efficiency enhancement in low-bandgap polymer solar cells by processing with
alkane dithiols’. Nat. Mater. 6 (2007) 497.
[28] W. Ma. C. Yang, X. Gong, K. Lee, A.J. Heeger, ‘Thermally Stable, Efficient
Polymer Solar Cells with Nanoscale Control of the Interpenetrating Network
Morphology’. Adv. Mater. 15 (2005) 1617.
[29] M. R. Reyes, K. Kim, D.L. Carroll, ‘High-efficiency photovoltaic devices based
on annealed poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1-
phenyl-(6,6)C61 blends’. Appl. Phys. Lett. 87 (2005) 083506.
[30] H. Hoppe, T. Glatzel, M. Niggemann, W. Schwinger, F. Schaeffler A. Hinsch
M.C. Luxsteiner, N.S. Sariciftci, ‘Efficiency limiting morphological factors of
MDMO-PPV: PCBM plastic solar cells’. Thin Solid Films 587 (2006) 511.
[31] H. Hoppe, N.S. Sariciftci, H. Hoppe, N.S. Sariciftci, ‘Morphology of
polymer/fullerene bulk heterojunction solar cells’. J. Mater. Chem. 16 (2006) 45.
[32] E. Moons, ‘Conjugated polymer blends: linking film morphology to performance
of light emitting diodes and photodiodes’. J. Phys. Condens Matter. 14 (2002)
12235.
[33] J.S. Kim, P.K.H. Ho, C.E. Murphy, R.H. Friend, ‘Phase Separation in
Polyfluorene-Based Conjugated Polymer Blends: Lateral and Vertical Analysis of
Blend Spin-Cast’. Thin Films Macromolecules. 37 (2004) 2861.
101
[34] S.E. Shaheen, C.J. Brabec, N.S. Sariciftci, F. Padinger, T. Fromherz, J.C.
Hummelen, ‘2.5% efficient organic plastic solar cells’. Appl. Phys. Lett. 78 (2001)
841.
[35] C.J. Brabec, S.E. Shaheen, C. Winder, N.S. Sariciftci, P. Denk, ‘Effect of
LiF/metal electrodes on the performance of plastic solar cells’. Appl. Phy. Lett. 80
(2002) 1288.
[36] G.D. Sharma, S. Sharma, M.S. Roy, ‘Electrical and photoelectrical properties of
dye sensitized allyl viologen –doped polypyrrole solar cells’. Sol. Energy Mater.
Sol. Cells. 80 (2003) 131.
[37] G.D. Sharma, S. Sharma, M.S. Roy, ‘Charge - carrier transport and
photogeneration processes in pyronine (G) (PYR) sensitized - TiO2 photovoltaic
device’. Mater. Sci. Eng. B. 110 (2004) 135.
[38] D.A. Heggie, B.L. Macdonald, I.G. Hill, ‘Evidence of mobile charged impurities
in organic heterojunction photovoltaic devices’. J. Appl. Phys. 100 (2006) 104505.
[39] J.J.M. Halls, C.A. Walsh, N.C. Greenham, E.A. Marseglia, R.H. Friend, S.C.
Moratti, A.B. Holmes, ‘Efficient photodiodes from interpenetrating polymer
networks’. Nature 376 (1995) 498.
[40] M.M. Koetse, J.S. Kornel, T. Hoekerd. H.F.M. Schoo, S.C. Veenstra, J.M. Kroon,
X. Yang, J. Loos, ‘Efficient polymer:polymer bulk heterojunction solar cells’.
Appl. Phys. Lett. 88 (2006) 083504.
[41] S. Westenhoff, I.A. Howard, J.M. Hodgkiss, K.R. Kirov, H.A. Bronstein, C.K.
Williams, N.C. Greenham, R.H. Friend, ‘Charge Recombination in Organic
Photovoltaic Devices with High Open-Circuit Voltages’. J. Am. Chem. Soc. 130
(2008) 13653.
[42] C.R. McNeill, J.J.M. Halls, R. Wilson, G.L. Whiting, S. Berkebile, M.G. Ramsey,
R.H. Friend, N.C. Greenham, ‘Efficient Polythiophene/Polyfluorene Copolymer
Bulk Heterojunction Photovoltaic Devices: Device Physics and Annealing
Effects’. Adv. Funct. Mater. 18 (2008) 1.
102
[43] C.H. Chang, T.K. Huang, Y.T. Lin, Y.Y. Lin, C.W. Chen, T.H. Chu, W.F. Su,
‘Improved charge separation and transport efficiency in poly(3-hexylthiophene)–
TiO2nanorod bulk heterojunction solar cells’. J.Mater. Chem. 18 (2008) 2201.
[44] C.C. Oey, A.B. Djurisic, H. Wang, K.K.Y. Man, W.K. Chen, M.H. Xie, Y.H.
Leung, A. Pandey, J.M. Nunzi, P.C. Chui, ‘Polymer-TiO2 solar cells: TiO2
interconnected network for improved cell performance’. Nanotechnology. 17
(2006) 706.
[45] S. Zhang, P.W. Cry. S.A. McDonald, G. Konstantatos, E.H. Sargent. ‘Enhanced
infrared photovoltaic efficiency in PbS nanocrystal/semiconducting polymer
composites: 600-fold increase in maximum power output via control of the ligand
barrier’. Appl. Phys. Lett. 87 (2005) 233101.
[46] R. Raviranjan, S.A. Haque, J.R. Durrent, D.D.C. Bradley, J. Nelson, ‘The Effect
of Polymer Optoelectronic Properties on the Performance of Multilayer Hybrid
Polymer/TiO2 Solar Cells’. Adv Funct. Mater. 15 (2005) 609.
[47] W.J.E. Beek, M.M. Wienk, R.A.J. Janssen, ‘Hybrid polymer solar cells based on
zinc oxide’. Adv. Mater. 16 (2004) 1009.
[48] H.J. Snaith, A.J. Moule, C. Klein, K. Meerholz, R.H. Friend, M. Gratzel,
‘Efficiency Enhancements in Solid-State Hybrid Solar Cells via Reduced Charge
Recombination and Increased Light Capture’. Nano. Lett. 7 (2007) 3372.
[49] E. Holder, N. Tessler, A.L. Rogach, ‘Hybrid nanocomposite materials with
organic and inorganic components for opto-electronic devices’. J. Mater. Chem.
18 (2008) 1064.
[50] Q. Qiao, L. Su, J. Beck, J.T. Mcleskey, ‘Characteristics of water-soluble
polythiophene: TiO2 composite and its application in photovoltaics’. Appl. Phys.
98 (2005) 094906.
[51] J. Boucle, S. Chyla, S.P. Shafter, J.R. Durrant, D.D.C. Bradley, J. Nelson, ‘Hybrid
Solar Cells from a Blend of Poly(3-hexylthiophene) and Ligand-Capped TiO2
Nanorods’. Adv. Funct. Mater. 18 (2008) 622.
103
[52] S.C. Veenstra, W.J.H. Verhees, J.M. Kroon, M.M. Koetse, J. Sweelssen, J.J.A.M.
Bastiaansen, H.F.M. Schoo, X. Yang, A. Alexeev, J. Loos, U.S. Schubert, M.M.
Wienk, ‘Photovoltaic Properties of a Conjugated Polymer Blend of MDMO−PPV
and PCNEPV’. Chem. Mater. 16 (2004) 2503.
[53] C.R. McNel, A. Abrusci, R. Wilson, M.J. McKiernan, J.H. Burroughes, J.J.M.
Halls, N.C. Greenham, R.H. Friend, ‘Dual electron donor/electron acceptor
character of a conjugated polymer in efficient photovoltaic diodes’. Appl. Phys.
Lett. 90 (2007) 193506.
[54] D. Gebeyehu, B. Maening, J. Drechsel, K. Leo, M. Pfeiffer, ‘Bulk-heterojunction
photovoltaic devices based on donor–acceptor organic small molecule blends’.
Sol. Energy Mater. Sol. Cells. 79 (2003) 81.
[55] M. Hiramoto, H. Fujiwara, M. Yokoyama, ‘Three‐layered organic solar cell with a
photoactive interlayer of codeposited pigments’. Appl. Phys. Lett. 58 (1991) 1061.
[56] W. Geens, T. Aernouts, J. Poortmans, G. Hadziioannou, ‘Organic co-evaporated
films of a PPV-pentamer and C: model systems for donor/acceptor polymer
blends’. Thin Solid Films. 438 (2002) 403.
[57] P. Peumans, S. Uchida, S.R. Forrest, ‘Efficient bulk heterojunction photovoltaic
cells using small-molecular-weight organic thin films’. Nature. 425 (2003) 158.
[58] T.T. Tsuzuki, J. Shirota, J. Rostalski, D. Meissner, ‘Modelling of the perimeter
recombination effect in GaAs-based micro-solar cell’. Sol. Energy Mater. Sol.
Cells. 90 (2006) 1.
[59] J.J. Dittmer, E.A. Marseglia, R.H. Friend, ‘Electron Trapping in Dye/Polymer
Blend Photovoltaic Cells’. Adv. Mater. 12 (2000) 1270.
[60] L.S. Mende, A. Fechtenkotter, K. Mullen, E. Moons, R.H. Friend, J.D.
Mackenzie, ‘Self-Organized Discotic Liquid Crystals for High-Efficiency Organic
Photovoltaics’. Science. 293 (2001) 1119
[61] C. Yang, A.J. Heeger, ‘Morphology of composites of semiconducting polymers
mixed with C60’. Synth. Met. 83 (1996) 85.
[62] F. Padinger, R. Rittberger, N.S. Sariciftci, ‘Effects of Postproduction Treatment
on Plastic Solar Cells’. Adv. Funct. Mater. 13 (2003) 85.
104
[63] I. Parker, ‘Carrier tunneling and device characteristics in polymer light‐emitting
diodes’. J. Appl. Phys. 75 (1994) 1656.
[64] J. Moser. Monatsh. ‘Dye-sensitization of Becquerel's photo-electrochemical cell’.
Chem. 8. (1887) 373.
[65] H. Rigollot, C. R. Acad. A. ‘Guldberg, Sur les équations différentielles ordinaires
qui possèdent un système fondamental d'intégrales, (French) [On the differential
equations admitting a fundamental system of integrals]’. C. Sci. Paris, 116 (1893)
813.
[66] H. Gerischer, H. Tributsch. Berich. Buns. Gesell. 72 (1968) 437.
[67] H. Gerischer, H. R. Schoppel and B. Pettinge. ‘Luminescence and Structural
Properties of Thiogallate Phosphors Ce+3 and Eu+2-Activated Phosphors. Part I’.
J. Electrochem. Soc. 119 (1972) 230.
[68] H. Tributsch and H. Gerischer. Berich. Buns. Gesell. 73 (1969) 251.
[69] R. Memming. Faraday Discuss. (1974) 261.
[70] R. Memming, F. Schroppel. Chem. Phys. Lett. 62 (1979) 207.
[71] R. Memming, F. Schroppel , U. Bringmann. J. Electroanal. Chem. 100 (1979)
307.
[72] H. Tsubomura, M. Matsumura, Y. Noyamaura, T. Amamyiya, ‘Dye sensitised
zinc oxide: aqueous electrolyte: platinum photocell’. Nature. 261 (1976) 402.
[73] W. D. K. Clark, N. Sutin, ‘Spectral sensitization of n-type titanium dioxide
electrodes by polypyridineruthenium(II) complexes’. J. Am. Chem. Soc. 99 (1977)
4676.
[74] S. Anderson, E. C. Constable, M. P. Dare-Edwards, J. B. Goodenough, A.
Hamnett, K. R. Seddon, R. D. Wright, ‘Chemical modification of a titanium (IV)
oxide electrode to give stable dye sensitisation without a supersensitiser’. Nature
280 (1979) 571.
[75] H. Gerischer, ‘Electroanal’. Chem. Interfac. Electrochem. 58 (1975) 263.
[76] H. Gerischer,. ‘High resolution scintillation spectra obtained with nanosecond
pulses of 3 MeV electrones’. Photochem. Photobiol 16 (1972) 243.
105
[77] R. Memming, Single-strand breakes induced in DNA by Vacuum-Ultra violet
Radiation Photochem. Photobiol. 16 (1972) 325.
[78] A. Fujishima, T. Watanabe, O. Tatsuoki, K. Honda, ‘Spectral sensitization of
photo-electrochemical reactions of cadmium sulfide single crystal electrode’.
Chem. Lett. 4 (1975) 13.
[79] T. S. Jayadevaiah, ‘Semiconductor‐electrolyte interface devices for solar energy
conversion’. Appl. Phys. Lett. 25 (1974) 399.
[80] A. Hamnett, M. P. Dare-Edwards, R. D. Wright, K. R. Seddon, J. B. Goodenough,
‘Photosensitization of titanium (IV) oxide with tris(2,2'-bipyridine)ruthenium(II)
chloride. Surface states of titanium(IV) oxide’. J.Phys. Chem., 83 (1979) 3280.
[81] M. P. Dare-Edwards, J. B. Goodenough, A. Hamnett, K. R. Seddon, R. D. Wright,
‘Faraday Discuss’. Chem. Soc. 70 (1980) 285.
[82] D. Shi, N. Pootrakulchote, R. Li, J. Guo, Y. Wang, S. M. Zakeeruddin, M.
Grätzel, P. Wang, ‘Thermospray: A Method for Producing High Quality
Semiconductor Nanocrystals’. Phys. Chem. C. 112 (2008) 17047.
[83] Q. Yu, S. Liu, M. Zhang, N. Cai, Y. wang, P. Wang, ‘An Extremely High Molar
Extinction Coefficient Ruthenium Sensitizer in Dye-Sensitized Solar Cells: The
Effects of π-Conjugation Extension’. J. Phys. Chem. C 113 (2009) 14559.
[84] B. O'Regan , M. Grätzel. Nature 353 (1991) 737.
[85] M. K. Nazeeruddin, A. Kay, I. Rodicio, R. Humphry-Baker, E. Müller,P. Liska,
N. Vlachopoulos, M. Grätzel, ‘Conversion of light to electricity by cis-X2bis(2,2'-
bipyridyl-4,4'-dicarboxylate)ruthenium(II) charge-transfer sensitizers (X = Cl-,
Br-, I-, CN-, and SCN-) on nanocrystalline titanium dioxide electrodes’. J. Am.
Chem. Soc. 115 (1993) 6382.
[86] M. K. Nazeeruddin, P. Pechy, M. Grätzel, Chem. Commun. (1997) 1075.
[87] B. A. Gregg, ‘Excitonic Solar Cells’. J. Phys. Chem. B 107 (2003) 4688.
[88] L. M. Peter, ‘Tunable Luminescence Properties of CaIn2O4:Eu3+ Phosphors’. J.
Phys. Chem. C 111 (2007) 16601.
[89] B. A. Gregg, M. C. Hanna, J. Appl. Phys. 93 (2003) 3605.
106
[90] K. Onken, PhD. Thesis, University of Kassel, Germany, 2007
[91] C. Noumissing-Sao, K. Onken, T.P.I. Saragi, J. Salbeck, DPG-Spring Meeting,
2007, 808
[92] C. J. Barbé, F. Arendse, P. Comte, M. Jirousek, F. Lenzmann, V. Shklover, M.
Grätzel, J. Am. Ceram. Soc. 80 (1997) 3157.
[93] B. Burfendt, T. Hannappel, W. Storck, F. Willig, ‘Measurement of Temperature-
Independent Femtosecond Interfacial Electron Transfer from an Anchored
Molecular Electron Donor to a Semiconductor as Acceptor, J. Phys. Chem. 100
(1996) 16463.
[94] T. Hannappel, B. Burfendt, W. Storck, F. Willig, ‘Measurement of Ultrafast
Photoinduced Electron Transfer from Chemically Anchored Ru-Dye Molecules
into Empty Electronic States in a Colloidal Anatase TiO2 Film’. J. Phys. Chem. B.
101 (1997) 6799.
[95] J. R. Durrant, Y. Tachibana, I. Mercer, et al. Z Phys. Chemie-Int. ‘The excitation
wavelength and solvent dependence of the kinetics of electron injection in
Ru(dcbpy)2(NCS)2 sensitised nanocrystalline TiO2 films’. J. Res. Phys.
ChemChem Phys. 212 (1999) 93.
[96] J. B. Asbury, E. Hao, Y. Wang, Y. Wang, T. Lian, ‘Bridge Length-Dependent
Ultrafast Electron Transfer from Re Polypyridyl Complexes to Nanocrystalline
TiO2 Thin Films Studied by Femtosecond Infrared Spectroscopy’. J. Phys. Chem.
B 104 (2000) 11957.
[97] B. T. Langdon, V. J. MacKenzie, D. J. Asunskis, D. F. Kelley, ‘Electron Injection
Dynamics of RuII(4,4‘-dicarboxy-2,2‘-bipyridine)2cis(NCS)2 Adsorbed on MoS2
Nanoclusters’. J. Phys. Chem. B 103 (1999) 11176.
[98] K. Kalyanasundaram, M. Grätzel, Coord. Chem. Rev. 77 (1998) 347.
[99] H. Gerischer, Surf. Sci. 18 (1969) 97
[100] R. A. Marcus, J. Chem. Phys. 24 (1956), 966.
[101] R. A. Marcus, Ann. Rev. Phys. Chem. 15 (1964) 155.
107
[102] A. Hagfeldt, M. Grätzel, ‘Light-Induced Redox Reactions in Nanocrystalline
Systems’. Chem. Rev. 95 (1995) 49.
[103] http://www.scribd.com/doc/10043326/handbook-of-photovoltaic-science-and-
engeneering15.
[104] Y. Tachibana J. E. Moser, M. Grätzel, D. R. Klug, J. R. Durrant, ‘Picosecond
Interfacial Charge Separation in Dye-Sensitized Nanocrystalline Titanium
Dioxide Films’. J. Phys. Chem. 100 (1996) 20056.
[105] A. Solbrand, H. Lindstrom, H. Rensmo, A. Hagfeldt, S.E. Lindquist, S. Sodergren,
‘Electron Transport in the Nanostructured TiO2−Electrolyte System Studied with
Time-Resolved Photocurrents’. J.Phys. Chem. B 101 (1997) 2514.
[106] S. Nakade, S. Kambe, T. Kitamura, Y. Wada, S. Yanagida, ‘Effects of Lithium
Ion Density on Electron Transport in Nanoporous TiO2 Electrodes’. J. Phys.
Chem. B 105 (2001) 9150.
[107] N.W. Duffy, L.M. Peter, K.G.U. Wijayantha, ‘Characterisation of electron
transport and back reaction in dye-sensitised nanocrystalline solar cells by small
amplitude laser pulse excitation’. Electrochem. Commun. 2 (2000) 262.
[108] J. van de Lagemaat, A. J. Frank, ‘Nonthermalized Electron Transport in Dye-
Sensitized Nanocrystalline TiO2 Films: Transient Photocurrent and Random-Walk
Modeling Studies’. J. Phys. Chem. B 105 (2001) 11194.
[109] N. Kopidakis, K. D. Benkstein, J. van de Lagemaat, A. J. Frank, ‘Transport-
Limited Recombination of Photocarriers in Dye-Sensitized Nanocrystalline TiO2
Solar Cells’. J. Phys. Chem. B 107 (2003) 11307.
[110] J. Nelson, R. E. Chandler, Random walk models of charge transfer and transport
in dye sensitized systems Coord. Chem. Rev. 248 (2004) 1181.
[111] R. Katoh, A. Furube, A.V. Barzykin, H. Arakawa, M. Tachiya, ‘Kinetics and
mechanism of electron injection and charge recombination in dye-sensitized
nanocrystalline semiconductors’. Coord. Chem. Rev. 248 (2004) 1195.
[112] A. Blumen, G. Zumofen, J. Klafter, ‘Target annihilation by random walkers’.
Phys. Rev. B 30 (1984) 5379.
108
[113] S.Y. Huang, G. Schlichthörl, A.J. Nozik, M. Grätzel, A.J. Frank, ‘Charge
Recombination in Dye-Sensitized Nanocrystalline TiO2 Solar Cells’. J. Phys.
Chem. B. 101 (1997) 2576.
[114] S. A. Haque, Y. Tachibana, D. R. Klug, J. R. Durrant, ‘Charge recombination
kinetics in dye-sensitized nanocrystalline titanium dioxide films under externally
applied bias’. J. Phys. Chem. B. 102 (1998) 1745.
[115] J. Nelson, ‘Continuous-time random-walk model of electron transport in
nanocrystalline TiO2 electrodes’. Phys. Rev. B. 59 (1999) 15374.
[116] J. Nelson, S. A. Haque, D. R. Klug, J. R. Durrant, ‘Trap-limited recombination in
dye-sensitized nanocrystalline metal oxide electrodes’. Phys. Rev. B. 6320 (2001)
205321.
[117] G. M. Hasselmann, G. J. Meyer, ‘Diffusion Limited Interfacial Electron Transfer
with Large Apparent Driving Forces’. J. Phys. Chem. B. 103 (1999) 7671.
[118] J. Van de Lagemaat, N. G. Park, A. J. Frank, ‘Influence of Electrical Potential
Distribution, Charge Transport, and Recombination on the Photopotential and
Photocurrent Conversion Efficiency of Dye-Sensitized Nanocrystalline TiO2 Solar
Cells: A Study by Electrical Impedance and Optical Modulation Techniques’. J.
Phys. Chem. B. 104 (2000) 2044.
[119] C. Bauer, G. Boschloo, E. Mukhtar, A. Hagfeldt, ‘Electron Injection and
Recombination in Ru(dcbpy)2(NCS)2 Sensitized Nanostructured ZnO’. J. Phys.
Chem. B. 105 (2001) 5585.
[120] A. V. Barzykin, M. Tachiya, ‘Mechanism of Charge Recombination in Dye-
Sensitized Nanocrystalline Semiconductors: Random Flight Model’. J. Phys.
Chem. B. 106 (2002) 4356.
[121] J. Krüger, R. Plass, M. Grätzel, P. J. Cameron, L. M. Peter, ‘Charge Transport and
Back Reaction in Solid-State Dye-Sensitized Solar Cells: A Study Using
Intensity-Modulated Photovoltage and Photocurrent Spectroscopy’. J. Phys.
Chem. B. 107 (2003) 7536.
[122] S. A. Haque, Y. Tachibana, R. L. Willis, J. E. Moser, M. Grätzel, J. R. Durrant,
‘Parameters Influencing Charge Recombination Kinetics in Dye-Sensitized
Nanocrystalline Titanium Dioxide Films’. J. Phys. Chem. B 104 (2000) 538.
109
[123] J. N. Clifford, G. Yahioglu, L. R. Milgrom, J. R. Durrant, ‘Molecular control of
recombination dynamics in dye sensitised nanocrystalline TiO2 films’. Chem.
Commun. 12 (2000) 1260.
[124] J. N. Clifford, E. Polares, M. K. Nazeerudin, M. Grätzel, J. Nelson, X. Li, N.
Long, J. R. Durrant, ‘Molecular Control of Recombination Dynamics in Dye-
Sensitized Nanocrystalline TiO2 Films: Free Energy vs Distance Dependence’. J.
Am. Chem. Soc. 126 (2004) 5225.
[125] S. Handa, H. Wietasch, M. Thelakkat, J. R. Durrant, S. A. Haque, ‘Reducing
charge recombination losses in solid state dye sensitized solar cells: the use of
donor–acceptor sensitizer dyes’. Chem. Commun. 17 (2007) 1725.
[126] P. Wang, S. M. Zakeeruddin, J. E. Zakeeruddin, T. Sekiguchi, M. Grätzel, ‘A
stable quasi-solid-state dye-sensitized solar cell with an amphiphilic ruthenium
sensitizer and polymer gel electrolyte’. Nat. Mater. 402 (2003) 88.
[127] V. K. ThorsØlle, B. Wenger, J. Teuscher, C. Bauer, J. E. Moser, ‘Dynamics of
Photoinduced Interfacial Electron Transfer and Charge Transport in Dye-
Sensitized Mesoscopic Semiconductors’. Chimia, 61 (2007) 631.
[128] Z. Zhang, ‘Enhancing the open-circuit voltage of dye-sensitized solar cells:
coadsorbents and alternative redox couples’. PhD Thesis, EPFL, (2008).
[129] U. Bach, D. Lupo, P. Comte, J. E. Moser, F. Weissörtel, J. Salbeck, H. Spreitzer,
M. Grätzel, ‘Solid-state dye-sensitized mesoporous TiO2 solar cells with high
photon-to-electron conversion efficiencies’ Nature. 395 (1998) 583.
[130] U. Bach, Y. Tachibana, J.-E. Moser, S. A. Haque, J. R. Durrant, M. Grätzel, D. R.
Klug, Charge separation in solid-state dye-sensitized heterojunction solar cells. J.
Am. Chem. Soc. 121 (1999) 7445.
[131] J. E. Moser, ‘Solar cells: Later rather than sooner’. Nature Mater. 4(2005) 723
[132] P. Bonhôte, E. Gogniat, S. Tingry, C. Barbe, N. Vlachopoulos, F. Lenzmann,
P.Comte, M. Grätzel, ‘Efficient Lateral Electron Transport inside a Monolayer of
Aromatic Amines Anchored on Nanocrystalline Metal Oxide Films’. J. Phys.
Chem. B. 102 (1998) 1498.
110
[133] P. Wang, C. Klein, R. Humphry-Baker, S. M. Zakeeruddin, M. Grätzel,
‘Electrochemical impedance spectroscopic analysis of dye-sensitized solar cells’.
J. Am. Chem. Soc. 127 (2005) 14945.
[134] M. Grätzel, ‘Conversion of sunlight to electric power by nanocrystalline dye-
sensitized solar cells’. J. Photochem. Photobiol. A. 164 (2004) 3.
[135] P. Wang, C. Klein, R. Humphry-Baker, S. M. Zakeeruddin, M. Grätzel, ‘Stable ≥
8% efficient nanocrystalline dye-sensitized solar cell based on an electrolyte of
low volatility’. Appl. Phys. Letts 86 (2005) 123508.
[136] D. Kuang, C. Klein, S. Ito, J. E. Moser, R. Humphry-Baker, S. M. Zakeeruddin,
M. Grätzel, ‘High molar extinction coefficient ion-coordinating ruthenium
sensitizer for efficient and stable mesoscopic dye-sensitized solar cells’. Adv.
Func. Mater. 17 (2007) 154.
[137] P. Wasserscheid, T. Welton, ‘Ionic Liquids in Synthesis’. Wiley: Weinheim,
Germany, (2002).
[138] R. D. Dogers, K. R. Seddon, Science 302 (2003) 792.
[139] J. Dupont, R. F. de Souza, P. A. Z. Suarez, ‘Ionic Liquid (Molten Salt) Phase
Organometallic Catalysis’. Chem. Rev. 102 (2002) 3667.
[140] W. Xu, C. A. Angell, Science. 302 (2003) 422.
[141] D. B. Kuang, P. Wang, S. Ito, S. M. Zakeeruddin, M. Grätzel, ‘Stable Mesoscopic
Dye-Sensitized Solar Cells Based on Tetracyanoborate Ionic Liquid Electrolyte’.
J. Am. Chem. Soc. 128 (2006) 7732.
[142] W. Kubo, K. Murakoshi, T. Kitamura, Y. Wada, K. Hanabusa, H. Shirai, S.
Yanagida, ‘Fabrication of Quasi-solid-state Dye-sensitized TiO2 Solar Cells
Using Low Molecular Weight Gelatros’. Chem. Lett. 27 (1998) 1241.
[143] W. Kubo, S. Kambe, S. Nakade, Kitamura, T. K. Hanabusa, Y. Wada, S.
Yanagida. ‘Photocurrent-Determining Processes in Quasi-Solid-State Dye-
Sensitized Solar Cells Using Ionic Gel Electrolytes’. J.Phys. Chem. B 107 (2003)
4374.
111
[144] P. Wang, S. M. Zakeeruddin, I. Exnar, M. Grätzel, ‘High efficiency dye-sensitized
nanocrystalline solar cells based on ionic liquid polymer gel electrolyte’. Chem.
Commun. 24 (2002) 2972.
[145] F. Cao, G. Oskam, P. C. Searson, A Solid State, Dye Sensitized
Photoelectrochemical Cell’. J. Phys. Chem. 99 (1995) 17071.
[146] P. Wang, S. M. Zakeeruddin, P. Comte, I. Exnar, M. Grätzel, ‘Gelation of Ionic
Liquid-Based Electrolytes with Silica Nanoparticles for Quasi-Solid-State Dye-
Sensitized Solar Cells’. J. Am. Chem. Soc. 125 (2003) 1166.
[147] A. F. Nogueira, J. R. Durrant, M. A. De Paoli, ‘Dye-Sensitized Nanocrystalline
Solar Cells Employing a Polymer Electrolyte’. Adv. Mater. 13 (2001) 826.
[148] C. Longo, A. F. Nogueira, M. De Paoli, H. Cachet, ‘Solid-State and Flexible Dye-
Sensitized TiO2 Solar Cells: a Study by Electrochemical Impedance
Spectroscopy’ J. Phys. Chem. B. 106 (2002) 5925.
[149] P. Wang, Q. Dai, S. M. Zakeeruddin, M. Forsyth, D. R. MacFarlane, M. Grätzel
M, ‘Ambient Temperature Plastic Crystal Electrolyte for Efficient, All-Solid-State
Dye-Sensitized Solar Cell’. J. Am. Chem. Soc. 126 (2004) 13590.
[150] J. Desilvestro, M. Grätzel, L. Kaven, J. Moser, ‘Highly efficient sensitization of
titanium dioxide’. J. Am. Chem. Soc. 107 (1985) 2988.
[151] B. O’Regan, F. Lenzmann, ‘Charge Transport and Recombination in a Nanoscale
Interpenetrating Network of n-Type and p-Type Semiconductors: Transient
Photocurrent and Photovoltage Studies of TiO2/Dye/CuSCN Photovoltaic Cells’.
J. Phys. Chem. B. 108 (2004) 4342.
[152] B. O’Regan, F. Lenzmann, R. Muis, J. Wienke, ‘A Solid-State Dye-Sensitized
Solar Cell Fabricated with Pressure-Treated P25−TiO2 and CuSCN: Analysis of
Pore Filling and IV Characteristics’. Chem. Mater. 14 (2002) 5023.
[153] B. O’Regan, D. T. Schwartz, S. M. Zakeeruddin, M. Grätzel, ‘Electrodeposited
Nanocomposite n–p Heterojunctions for Solid-State Dye-Sensitized
Photovoltaics’. Adv. Mater. 12 (2000) 1263.
112
[154] T. Taguchi, X. T. Zhang, I. Sutanto, K. Tokuhiro, T. N. Rao, H. Watanabe, T.
Nakamori, M. Uragami, A. Fujishima, ‘Improving the performance of solid-state
dye-sensitized solar cell using MgO-coated TiO2 nanoporous film’. Chem. Comm.
19 (2003) 2480.
[155] A. Konno, T. Kitagawa, H. Kida, G. R. A. Kumara, K. Tennakone, ‘The effect of
particle size and conductivity of CuI layer on the performance of solid-state dye-
sensitized photovoltaic cells’. Cuur. Appl. Phys. 5 (2005) 149.
[156] G. R. A. Kumara, A. Konno, K. Shiratsuchi, J. Tsukahara, K. Tennakone, ‘Dye-
Sensitized Solid-State Solar Cells: Use of Crystal Growth Inhibitors for
Deposition of the Hole Collector’. Chem. Mater. 14 (2002) 954.
[157] H. Snaith, S. M. Zakeeruddin, Q. Wang, P. Pechy, M. Grätzel, ‘Dye-Sensitized
Solar Cells Incorporating a “Liquid” Hole-Transporting Material’ Nano Lett. 6
(2006) 2000.
[158] D. Gebeyehu, C. J. Brabec, N. S. Sariciftci, ‘Solid-state organic/inorganic hybrid
solar cells based on conjugated polymers and dye-sensitized TiO2 electrodes’
Thin Solid Film. 403 (2002) 271.
[159] S. Tan, J. Zhai, M. Wan, Q. Meng, Y. Li, L. Jiang, D. Zhu, ‘Influence of Small
Molecules in Conducting Polyaniline on the Photovoltaic Properties of Solid-State
Dye-Sensitized Solar Cells’. J. Phys. Chem. B. 108 (2004) 18693.
[160] L. Schmidt-Mende, J. E. Kroeze, J. R. Durrant, M. K. Nazeeruddin, M. Grätzel,
‘Effect of Hydrocarbon Chain Length of Amphiphilic Ruthenium Dyes on Solid-
State Dye-Sensitized Photovoltaics’. Nano Lett. 5 (2005) 1315.
[161] A. Kay, M. Grätzel, ‘Low cost photovoltaic modules based on dye sensitized
nanocrystalline titanium dioxide and carbon powder’. Sol. Energy Mater. Sol.
Cells. 44 (1996) 99.
[162] H. Lindstrom, A. Holmberg, E. Magnusson, S. E. Lindquist, L. Malmqvist, A.
Hagfeld, ‘A New Method for Manufacturing Nanostructured Electrodes on Plastic
Substrates, Nano Lett. 1 (2001) 97.
113
[163] K. Imoto, K. Takatashi, T. Yamaguchi, T. Komura, J. Nakamura, K. Murata,
‘High-performance carbon counter electrode for dye-sensitized solar cells’.
Sol.Energy Mater. Sol. Cells. 79 (2003) 459.
[164] Y. Saito, T. Kitamura, Y. Wada, S. Yanagida, ‘Application of Poly(3,4-
ethylenedioxythiophene) to Counter Electrode in Dye-Sensitized Solar Cells’.
Chem. Lett. 31 (2002) 1060.
[165] Y. Saito, W. Kubo, T. Kitamura, Y. Wada, S. Yanagida, ‘I−/I3− redox reaction
behavior on poly(3,4-ethylenedioxythiophene) counter electrode in dye-sensitized
solar cells’. J. Photochem. Photobiol. A. 164 (2004) 153.
[166] U. Bach, ‘Solid-state dye-sensitized mesoporous TiO2 solar cells’. Ph.D. Thesis,
EPFL, (2000).
[167] J. Krüger, ‘Interface engineering in solid-state dye-sensitized solar cells’. PhD.
Thesis, EPFL, (2003).
[168] M. Probst, R. Haight, ‘Diffusion of metals into organic films’ Appl. Phys. Lett. 70
(1997) 1420.
[169] R. Willecke, F. Faupel, ‘Diffusion of gold and silver in bisphenol
trimethylcyclohexanen polycarbonate’. J. Polym. Sci. Part B. 35 (1997) 1043.
[170] R. Willecke, F. Faupel. ‘Diffusion of Gold and Silver in Bisphenol A
Polycarbonate’. Macromol. 30 (1997) 567.
[171] A. C. Dürr, F. Schreiber, M. Kelsch, H. D. Carstanjen, H. Dosch, ‘Morphology
and Thermal Stability of Metal Contacts on Crystalline Organic Thin Films’. Adv.
Mater. 14 (2002) 961.
[172] M. Pope and C. E. Swenberg, ‘Electronic Processes in Organic Crystals and
Polymers’, Oxford University Press 2nd ed., New York, 1999.
[173] C. H. Lee, G. Yu, D. Moses, K. Pakbaz, C. Zhang, N. S. Sariciftci, A. J. Heeger
and F. Wudl, ‘Sensitization of the photoconductivity of conducting polymers by
C60: Potoinduced electron transfer’. Phys. Rev. B, 48. (1993). 15425.
[174] N. S. Sariciftci, L. Smilowitz, A. J. Heeger, F. Wudl, ‘Photoinduced electron
transfer from a conducting polymer to buckminsterfullerene’. Science, 258 (1992)
1474.
114
[175] Dyakonov, G. Zoriniants, M. Scharber, C. J. Brabec, R. A. J. Janssen, J. C.
Hummelen and N. S. Sariciftci, ‘Photoinduced charge carriers in conjugated
polymer-fullerene composites studied with light-induced electron-spin resonance’
Phys. Rev. B. 59 (1999) 8019.
[176] L. Smilowitz, N. S. Sariciftci, R. Wu, C. Gettinger, A. J. Heeger and F. Wudl,
‘Photoexcitation spectroscopy of conducting-polymer-C60 composites:
Photoinduced electron transfer’. Phys. Rev. B, 47 (1993) 835.
[177] B. Kraabel, D. McBranch, N. S. Sariciftci, D. Moses and A. J. Heeger, ‘Ultrafast
spectroscopic studies of photoinduced electron transfer from semiconducting
polymer to C60’. Phys. Rev. B. 50 (1994) 1854.
[178] X. Wei, Z. V. Vardeny, N. S. Sariciftci and A. J. Heeger, ‘Absorption-detected
magnetic-resonance studies of photoexcitations in conjugated-polymer/C60
composites’. Phys. Rev. B. 53 (1996) 2187.
[179] C. Waldauf, P. Schilinsky, J. Hauch and C. J. Brabec, ‘Material and device
concepts for organic photovoltaics: Towards competitive efficiencies’. Thin Solid
Films. 503 (2004) 451-452.
[180] Riedel, J. Parisi, V. Dyakonov, L. Lutsen, D. Vanderzande and J. C. Hummelen,
Effect of temperature and illumination on the electrical characteristics of polymer-
fullerene bulk-heterojunction solar cells’. Adv. Func. Mater. 14 (2004) 38.
[181] F. Padinger, R.S. Rittberger, and N.S. Sariciftci, ‘Effects of post-production
treatment on plastic solar cell’. Adv. Funct. Mater.13 (2003) 85.
[182] 1S. Ferrere, A. Zaban, B.A.Gregg, J. Phys. Chem. B 101 (1997) 4490.
[183] F. Nüesch, L. J. Rothberg, E. W. Forsythe, Q. T. Le, Y. Gao, ‘A photoelectron
spectroscopy study on the indium tin oxide treatment by acids and bases’. Appl.
Phys. Lett. 74 (1999) 880.
[184] C. Yan, M. Zharnikov, A. Gölzhäuser, M. Grunze, ‘Preparation and
Characterization of Self-Assembled Monolayers on Indium Tin Oxide’. Langmuir. 16
(2000) 6208.
115
[185] S. Besbes, A. Ltaief, K. Reybier, L. Ponsonnet, N. Jaffrezic, J. Davenas, H. Ben
Ouada, ‘Injection modifications by ITO functionalization with a self-assembled
monolayer in OLEDs’. Synth. Met. 138 (2003) 197.
[186] Ruda, H. MSE457 course notes, (2004).
[187] K. L. Chopra, I. Kaur, “Thin Film Device Applications”, (Published by: Plenum
Press, New York) Chapter 1 (1983) 14 – 18.
[188] R. V. Stuart, “Vacuum Technology, Thin Films and Sputtering”, (Published by:
Academic Press, London) Chapter 3 (1983) 65 – 89.
[189] K. Kalyanasundaram, M. Gratzel, ‘Applications of functionalized transition metal
complexes in photonic and optoelectronic devices’. Coord. Chem. Rev. 177
(1998) 347.
[190] F. Brouers, A. Ramsamugh, V.V. Dixit, ‘Standard free energies of formation of
rare earth sesquisulphides’. J. Mater. Sci. 22 (1987) 2759.
[191] R.H.M. Van de Leur, C.A.P. Zevenhovan, ‘Characterisation of the granular
materials corundum and mullite by impedance spectroscopy’. J. Mater. Sci. 26
(1991) 4086.
[192] R.W.Berry, P.M.Hall and M.T.Harris Ed. “Thin Film Technology” (NY) Van
Nostrand Reinhold Co. (1968).
[193] S.M.Sze, ‘Phys. of Semiconductor devices’ 2nd Ed. John Wiley and Sons (NY)
(1981).
[194] E.S.Yang, ‘Fundamentals of Semiconductor Devices’, McGraw Hill Inc.(NY)
(1978) 107.
[195] R.I.Frank and J.G. Simmons, ‘Space‐Charge Effects on Emission‐Limited Current
Flow in Insulators’. J. Appl. Phys. 38 (1967) 832.
[196] F. Yakuphanoglu, ‘Heat treatment effect on the single oscillator parameters and
optical band gap of an organic thin film’. Opt. Mater. 29 (2006) 253.
116
[197] D. Muhlbacher, A. Cravino, H. Neugebauer, N.S. Sariciftci, ‘Comparison of the
electrochemical and optical bandgap of low-bandgap polymers’. Synth. Met. 137
(2003) 1361.
[198] M.S. Liu, X. Jiang, S. Liu, P. Herguth, A.K.Y. Jen, ‘Effect of Cyano Substituents
on Electron Affinity and Electron-Transporting Properties of Conjugated
Polymers’. Macromolecules. 35 (2002) 3532.
[199] S.R.Morrison, ‘Electrochem at Semiconductor and Oxidised metal electrodes,
Plenum’ New York. (1960).
[200] A.J.Twarowski and A.C Albrecht, ‘Depletion layer studies in organic films: Low
frequency capacitance measurements in polycrystalline tetracene’. J. Chem.Phys.
70 (1979) 2255.
[201] F.H.Rhoderick, ‘Metal semiconductor contacts’. Clarenden Press, Oxford (1978).
[202] W.A.Naun and G.A.Chamberlain, ‘Photovoltaic properties of iodine‐doped
magnesium tetraphenylporphyrin sandwich cells. II. Properties of illuminated
cells’. J.Appl.Phys. 69 (1991) 4324.
[203] G.D.Sharma, S.K.Gupta and M.S.Roy, ‘Electrical and photoelectrical properties
of chromotrope 2R Thinfilm devices, Using different electrodes’. J.Phy. Chem.
Solids. 58 (1997) 195.
[204] T.G.Abdel-Malik, ‘Direct current conductivity and thermally stimulated current of
beta--nickel phthalocyanine films using gold and aluminium electrodes’.
Internat.J.Electronics. 72 (1992) 409.
[205] Simmons J.G., ‘Conduction in thin dielectric films’. J.Phys. D. 4 (1971) 613.
[206] B.A. Gregg, ‘Excitonic Solar Cells’. J. Phys. Chem. B. 107 (2003) 4688.
[207] Brouers F., Ramsamugh A and Dixit V V, J. Mater. Sci. 22 (1987) 2759.
[208] Zetsche A,Kremer F, Jung W and Schluze H, ‘Dielectric study on the miscibility
of binary polymer blends’. Polymer. 31 (1990) 1883.
[209] Wepenaar K E D and Schoonman, J. Solid State Ionics. 2 (1991) 253.
117
[210] Jonscher A K, J Mater. Sci. 13 (1978) 553.
[211] J.Ros Macdonald, “Impedance Spectroscopy”, John Wiley & Sons, New York,
(1987).
[212] R H M Van De Leur, ‘A critical consideration on the interpretation of impedance
plots’. J. Phys. D: Appl. Phys. 24 (1991) 1430.
[213] J.L. Bredas, R. Silbey, D.S. Boudreux, R.R. Chance, ‘Chain-length dependence of
electronic and electrochemical properties of conjugated systems: polyacetylene,
polyphenylene, polythiophene, and polypyrrole’. J. Am. Chem. Soc. 105 (1983)
6555.
[214] K. Tennakone, G. R. R. A. Kumara, A. R. Kumarasinghe, P. M. Sirimanne, K. G.
U. Wijayantha ‘Efficient photosensitization of nanocrystalline TiO2 films by
tannins and related phenolic substances’. Journal of Photochemistry and
Photobiology A: Chemistry. 94 (1996) 217.
[215] Huizhi Zhou, Liqiong Wu, Qingqing Miao, Gang Xin, Tingli Ma. ‘Dye-sensitized
solar cell using natural dyes as sensitizers’. Presented at Nanoelectronics
Conference (INEC), 2010 3rd International. (2010). 10.1109/INEC.2010.5424470
pp.775 – 776.
[216] En Mei Jin, Kyung-Hee Park, Bo Jin, Je-Jung Yun, Hal-Bon Gu
‘Photosensitization of nanoporous TiO2 films with natural dye’. Physica Scripta.
T139 (2010).
[217] J. L. Bredas, R. Silbey, D. S. Boudreaux, R. R. Chance. ‘Chain-length dependence
of electronic and electrochemical properties of conjugated systems: polyacetylene,
polyphenylene, polythiophene, and polypro’. J. Am. Chem. Soc. 105 (1983) 6555.
[218] Zhong-Sheng Wang, Takeshi Yamaguchi, Hideki Sugihara, Hironori Arakawa
‘Significant Efficiency Improvement of the Black Dye-Sensitized Solar Cell
through Protonation of TiO2 Films’. Langmuir.21 (2005) 4272.
[219] Zhong-Sheng Wang, Fu-You Li, Chun-HuiHuang. ‘Photocurrent Enhancement of
Hemicyanine Dyes Containing RSO3- Group through Treating TiO2 Films with
Hydrochloric Acid’. J. Phys. Chem. B. 105 (2001) 9210.
118
[220] Jang-Yul Kim, Tohru Sekino, Shun-Ichiro Tanaka ‘Influence of the size-
controlled TiO2 nanotubes fabricated by low- temperature chemical synthesis on
the dye-sensitized solar cell properties’. Journal of Materials Science. 46 (2010)
1749.
[221] T. Hoshikawa, M. Yamada, R. Kikuchi, K. Eguchi. ‘Impedance Analysis of
Internal Resistance Affecting the Photoelectrochemical Performance of Dye-
Sensitized Solar Cells’. J. Electrochem. Soc. 152 (2005) E68.
[222] M. Gratzel. ‘Dye-sensitized solar cells’. J. Photochem. Photobiol. C 4 (2003) 145.
[223] T. Yohannes, O. Inganas. ‘Photoelectrochemical studies of the junction between
poly[3-(4-octylphenyl)thiophene] and a redox polymer electrolyte’. Sol. Energy
Sol. Cells. 51 (1998) 193.
[224] L. Bay, K.West, B.W. Jenssen, T. Jacobsen. ‘Electrochemical reaction rates in a
dye-sensitised solar cell—the iodide/tri-iodide redox system’. Sol. Energy Mater.
Sol Cells. 90 (2006) 341.
[225] G. Haywang, F. Jonnes. ‘Poly(alkylenedioxythiophene)s—new, very stable
conducting polymers’. Adv. Mater. 4 (1992) 116.
[226] J.Y. Kim, J.H. Jung, D.E. Lee, J. Joo. ‘Enhancement of electrical conductivity of
poly(3,4-ethylenedioxythiophene)/poly(4-styrenesulfonate) by a change of
solvents’. Synth. Met. 126 (2002) 311.
[227] J. Quyang, Q. Xu, C.W. Chu, Y. Yang, G. Li, J. Shinas. ‘On the mechanism of
conductivity enhancement in poly (3, 4-ethylenedioxythiophene):poly(styrene
sulfonate) film through solvent treatment’. Polymer. 45 (2004) 8443.
[228] Y. Satio,W. Kube, T. Kitamura, Y.Wade, S. Yanagida. ‘I−/I3− redox reaction
behavior on poly(3,4-thylenedioxythiophene)counter electrode in dye-sensitized
solar cells’ J. Photochem. Photobiol. A Chem. 164 (2004) 153.
119
[229] Won Jae Lee, Easwaramoorthi Ramasamy, Dong Yoon Lee and Jae Sung Song.
‘Efficient dye-sensitized solar cells with catalytic multiwall carbon nanotube
counter electrodes’. ACS Appl. Mater. Interfaces 1 (2009) 1145.
[230] P. Vincent, A. Brioude, C. Journet, S. Rabaste, S.T. Purcell, J. Le Brusq and J.C.
Plenet. ‘Inclusion of carbon nanotubes in a TiO2 sol–gel matrix’. J. Non
Crystalline Solids 311 (2002) 130.
[231] Q. Huang and L. Gao, ‘Immobilization of rutile TiO2 on multiwalled carbon
nanotubes’. J. Mater. Chem 13 (2003) 1517.
[232] H. Ago, K. Petritsch, M.S.P. Shaffer, A.H. Windle and R.H. Friend. ‘Composites
of carbon nanotubes and conjugated polymers for photovoltaic devices’. Adv.
Mater 11 (1999) 1281.
[233] H. Usui, H. Matsui, N. Tanabe and S. Yanagida. ‘Improved dye-sensitized solar
cells using ionic nanocomposite gel electrolytes’. J. Photochem. Photobiol. A:
Chem. 164 (2004) 97.
[234] N.G. Park, J. van de Lagemaat and A.J. Frank. ‘Comparison of dye-sensitized
rutile- and anatase-based TiO2 solar cells’. J. Phys. Chem. B. 104 (2000) 8989.
[235] N.G. Park, G. Schlichtho¨ rl, J. van de Lagemaat, H.M. Cheong, A. Mascarenhas
and A.J. Frank, ‘Dye-sensitized TiO2 solar cells: structural and
photoelectrochemical characterization of nanocrystalline electrodes formed from
the hydrolysis of TiCl4’. J. Phys. Chem. B 103 (1999) 3308.
[236] K.-J. Kim, K.D. Benkstein, J. van de Lagemaat and A.J. Frank. ‘Characteristics of
low-temperature annealed TiO2 films deposited by precipitation from hydrolyzed
TiCl4 solutions’. Chem. Mater. 14 (2002) 1042.
[237] C. Ste´ phan, T.P. Nguyen, B. Lahr, W. Blau, S. Lefrant and O. Chauvet,
‘Agglomerate-free BaTiO3 Particles by Salt-Assisted Spray Pyrolysis’. J. Mater.
Res. 17 (2002) 396.
[238] Z. Liu, Z. Shen, T. Zhu, S. Hou, L. Ying, Z. Shi and Z. Gu. ‘Organizing single-
walled carbon nanotubes on gold using a wet chemical self-assembling
technique’. Langmuir 16 (2000) 3569.
120
[239] X. Nan, Z. Gu and Z. Liu. ‘Immobilizing shortened single-walled carbon
nanotubes (SWNTs) on gold using a surface condensation method’. J. Colloid
Interface Sci. 245 (2002) 311.
[240] J. Liu, A.G. Rinzler, H. Dai, J.H. Hafner, R.K. Bradley, P.J. Boul, A. Lu, T.
Iverson, K. Shelimov, C.B. Huffman, F. Rodriguez- Macias, D.T. Colbert and
R.E. Smalley. ‘Fullerene pipes’. Science 280 (1998) 1253.
[241] K. Esumi, M. Ishigami, A. Nakajima, K. Sawada and H. Honda. ‘Chemical
treatment of carbon nanotubes’. Carbon 34 (1996) 279.
[242] H. Hiura, T.W. Ebbesen and K. Tanigaki. ‘Opening and purification of carbon
nanotubes in high yields’. Adv. Mater. 7 (1995) 275.
[243] T. Saito, K. Matsushige and K. Tanaka. ‘Chemical treatment and modification of
multi-walled carbon nanotubes’. Physica B 323 (2002) 280.
[244] M.S. Roy, P. Balraju , Manish Kumar , G.D. Sharma. ‘Dye-sensitized solar cell
based on Rose Bengal dye and nanocrystalline TiO2’. Sol. Energy Mater. Sol.
Cells. 92 (2008) 909.
[245] M.S.P. Shaffer, X. Fan and A.H. Windle. ‘Dispersion and packing of carbon
nanotubes’. Carbon 36 (1998) 1603.
[246] K. Schwartsburg and F. Willig. ‘lnfluence of trap filling on photocurrent transients
poly crystalline TiO2’. Appl. Phys. Lett .58 (1991) 2520.
[247] X. Qian, D. Qin, Q. Song, Y. Bai, T. Li, X. Tang, E. Wang and S. Dong, ‘Surface
photovoltage spectra and photoelectrochemical properties of semiconductor-
sensitized nanostructured TiO2 electrodes’. Thin Solid Films. 385 (2001) 152.
[248] Z. Zhang, ‘Enhancing the open-circuit voltage of dye-sensitized solar cells:
coadsorbents and alternative redox couples’. PhD Thesis, EPFL,(2008 .
[249] S. Hao, J. Wu, Y. Huang, ‘Natural dyes as photosensitizers for dye-sensitized
solar cell’. J. Lin, Sol. Energy. 80 (2006) 209.
[250] T. Frank, J. Clin. Frank T. et Al., ‘Pharmacokinetics of Anthocyanidins-3-
Glycosides following consumption of Hibiscus’ Pharmacol. 45 (2005) 203.
121
[251] N. Terahara, N. Saito, T. Honda, K. Tokis, Y. Osajima, ‘Further structural
elucidation of the anthocyanin, deacylternatin, from Clitoria ternatea’
Phytochemistry. 29 (1990) 3686.
[252] J.G. Chen, H.Y. Wei, K.C. Ho, ‘Using modified poly (3, 4-ethylene
dioxythiophene): Poly (styrene sulfonate) film as a counter electrode in dye-
sensitized solar cells’. Sol. Ener. Mat. & Sol. Cells. 91 (2007) 1472.
[253] X.Wu, L. Wang, F. Luo, B. Ma, C. Zhan, and Y. Qiu, ‘BaCO3 Modification of
TiO2 Electrodes in Quasi-Solid-State Dye-Sensitized Solar Cells: Performance
Improvement and Possible Mechanism’. J. Phys. Chem. C, 111 (2007) 8075.
[254] C.Y. Xu, P.X. Zhang and L. Yan, ‘Blue shift of Raman peak from coated TiO2
nanoparticles’. Journal of Raman Spectroscopy. 32 (2001) 862.
[255] J. Bisquert, ‘Impedance Spectroscopy of Nanostructured Dye-Sensitized and
Organic Bulk Heterojunction Solar Cells’ J. Phys. Chem. B 106 (2002) 325.
[256] A. Pitarch, G. Garcia-Belmonte, I. Mora-Seró, J. Bisquert, ‘Ion transport and
trapping in intercalation materials: EIS parameters interpretation’. Phys. Chem.
Chem. Phys. 6 (2004) 2983.