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Author

Kim, Jin Young
Next Generation Energy Laboratory
Research Interests
  • Polymer solar cells, QD solar cells, organic-inorganic hybrid solar cells, perovskite solar cells, OLEDs, PeLEDs, organic FETs

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Effect of the molecular weight of poly(3-hexylthiophene) on the morphology and performance of polymer bulk heterojunction solar cells

Cited 135 times inthomson ciCited 128 times inthomson ci
Title
Effect of the molecular weight of poly(3-hexylthiophene) on the morphology and performance of polymer bulk heterojunction solar cells
Author
Ma, WanliKim, Jin YoungLee, KwangheeHeeger, Alan J.
Keywords
Conducting polymers; Morphology; Poly(3-hexylthiophene); Solar cells
Issue Date
200709
Publisher
WILEY-V C H VERLAG GMBH
Citation
MACROMOLECULAR RAPID COMMUNICATIONS, v.28, no.17, pp.1776 - 1780
Abstract
The morphology and performance of bulk heterojunction solar cells comprised of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C 61butyric acid methyl ester (PCBM) have been investigated using P3HT with different molecular weights (MWs). It is concluded that the optimum annealing temperature for the bulk heterojunction material is related to the MW of P3HT. The best performance is obtained by using P3HT with an optimum ratio between high MW and low MW components. The corresponding 'ideal morphology' is comprised of highly ordered crystalline regions formed by low MW P3HT embedded and interconnected by a high MW P3HT matrix.
URI
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DOI
http://dx.doi.org/10.1002/marc.200700280
ISSN
1022-1336
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