The Bottom-up Approach The Bottom-up Approach • Weak interactions between molecules • Vesicles and micelles • Thermodynamic aspects of self-assembling nanostructures • Self-assembled molecular monolayers • Kinetic control of growth: nanowires and quantum dots Copyright Stuart Lindsay 2008
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The Bottom-up Approach Weak interactions between molecules Vesicles and micelles Thermodynamic aspects of self-assembling nanostructures Self-assembled.
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The Bottom-up ApproachThe Bottom-up Approach
• Weak interactions between molecules
• Vesicles and micelles
• Thermodynamic aspects of self-assembling nanostructures
• Self-assembled molecular monolayers
• Kinetic control of growth: nanowires and quantum dots
Copyright Stuart Lindsay 2008
C60C60C70C70
Single wallSingle wall
Multi wallMulti wall
Graphene Graphene sheetssheets
Molecular carrier Molecular carrier and storageand storage
Charge transportCharge transport
Molecular wiresMolecular wires
•Drug delivery• Nucleic acid and protein sensing
K. A. Williams, P. T. M. Veenhuizen, B. G. de la Torre, R. Eritja and C. Dekker Nature 420, 761(2002)
Emission 530 nm
N N
N
N
N
N
Me2N
Me2N
Me2N
Me2NNMe2
NMe2
NMe2
N
N
NN
N
N
N N
NMe2
SO2 SO2
SO2
SO2
O2S
O2S O2S
O2S
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
OO
O
O
O
O
OO
OO
OOO
O
O
O
O
O
O
O
O
O
O
O
O
O
O O
OO O
O
O
COOHBr Br
BrBrOHO
Eosin
E
DansNaph
UV abs
hh’’
Angew. Chem. Int. Ed. 2002, 41, 3595
Un motore lineare che funziona con energia chimica
Stazioneammonio
Stazionebipiridinio
_ H+
+ H+
O
O
O
O O
O
O
OH2N
N
N+
+
+
_ H+
+ H+
A linear motor driven by chemical energyA linear motor driven by chemical energy
Ammoniumstation
Piridiniumstation
An artificial nanomotor driven by solar lightAn artificial nanomotor driven by solar light
Balzani, Leon, Credi, Ferrer, Venturi, Flood, Stoddart, PNAS, Jan 23, 2006