Lecture 2 polymers, wave function 28.04.16 A general relationship between disorder, aggregation and charge transport in conjugated polymers Rodrigo Noriega, Jonathan Rivnay, Koen Vandewal, Felix P. V. Koch, Natalie Stingelin, Paul Smit Michael F. Toney & Alberto Salleo Nature Materials 12, 1038–1044 (2013) polymers in organic electronics low bandgap material persistence length persistence length limits conjugation length Polymers and solvents
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and charge transport in conjugated polymers polymers in organic electronics … · 2016-05-11 · and charge transport in conjugated polymers Rodrigo Noriega, Jonathan Rivnay, Koen
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Lecture 2 polymers, w
ave function 28.04.16
A general relationship betw
een disorder, aggregation and charge transport in conjugated polym
ersR
odrigo Noriega, Jonathan R
ivnay, Koen V
andewal, F
elix P. V
. Koch, N
atalie Stingelin, P
aul Sm
itM
ichael F. T
oney & A
lberto Salleo
Nature M
aterials 12, 1038–1044 (2013)
polymers in organic electronics
low bandgap m
aterial
persistence length
persistence length limits
conjugation length
Polym
ers and solvents
interaction parameters (neg. sign =
attractive)
three casesgood solvent
theta solvent ("invisible")
bad solvent
Polym
er mixtures
polymers don't m
ix
condition for phase separation always fulfilled for
long polymers
daily life polymers are "pure"
Polym
ers and C60 fullerenes:
bulk heterojunctions for PV
cellsC
opolymers form
superstructures
Bond length in conjugated system
s
agreement w
ith molecular orbital sim
ulation ~
Theoretical description of electrical and optical properties