
Proceedings Paper
Design and synthesis of side-chain functionalized regioregular poly(3-hexylthiophene)-based copolymers and application in polymer:fullerene bulk heterojunction solar cellsFormat | Member Price | Non-Member Price |
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Paper Abstract
set of novel regioregular poly(3-hexylthiophene)-based random copolymers containing varying ratios of
ester functionalized alkyl side chains were synthesized using the Rieke method. The percentage of functionalized side
chain varied between 10 and 50 mol% for each copolymer. Using post-polymerization reactions, the ester functions in
the alkyl side chain were hydrolyzed to yield an alcohol or acid group. These groups are available for further
functionalization reactions, so a wide variety of secondary functionalities may be covalently attached to the conjugated
polymer. The copolymers were applied in polymer: fullerene bulk heterojunction solar cells (BHJSCs) with [6,6]-phenyl
-C61-butyric acid methyl ester (PCBM) as electron acceptor. The influence of side-chain functionalities on absorption,
device performance and layer morphology depends on the ratio and nature of the functionalized side chains. For a 9/1
copolymer, containing 10% of functionalized side chains, behaviour and efficiency in BHJSCs comparable to
P3HT:PCBM solar cells were observed.
Paper Details
Date Published: 27 August 2009
PDF: 11 pages
Proc. SPIE 7416, Organic Photovoltaics X, 74161G (27 August 2009); doi: 10.1117/12.825881
Published in SPIE Proceedings Vol. 7416:
Organic Photovoltaics X
Zakya H. Kafafi; Paul A. Lane, Editor(s)
PDF: 11 pages
Proc. SPIE 7416, Organic Photovoltaics X, 74161G (27 August 2009); doi: 10.1117/12.825881
Show Author Affiliations
B. Campo, Univ. Hasselt (Belgium)
W. D. Oosterbaan, Univ. Hasselt (Belgium)
J. Gilot, Technische Univ. Eindhoven (Netherlands)
T. J. Cleij, Univ. Hasselt (Belgium)
W. D. Oosterbaan, Univ. Hasselt (Belgium)
J. Gilot, Technische Univ. Eindhoven (Netherlands)
T. J. Cleij, Univ. Hasselt (Belgium)
L. Lutsen, IMEC (Belgium)
R. A. J. Janssen, Technische Univ. Eindhoven (Netherlands)
D. Vanderzande, Univ. Hasselt (Belgium)
IMEC (Belgium)
R. A. J. Janssen, Technische Univ. Eindhoven (Netherlands)
D. Vanderzande, Univ. Hasselt (Belgium)
IMEC (Belgium)
Published in SPIE Proceedings Vol. 7416:
Organic Photovoltaics X
Zakya H. Kafafi; Paul A. Lane, Editor(s)
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