
Proceedings Paper
Influence of the polymer processing conditions on the performance of bulk heterojunction solar cellsFormat | Member Price | Non-Member Price |
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Paper Abstract
We performed a systematic study of the effect of processing conditions on the performance of P3HT:PCBM solar
cells. We have investigated the influence of the source material, solution preparation (stirring vs. sonication),
additives (such as 1,8-octanedithiol), pre-formation of P3HT nanowires, and annealing on the device performance
and/or morphology and phase separation in the active layer. Furthermore, the influence of spin-coating PCBM on
top of P3HT and PCBM on top of the P3HT:PCBM layer has been investigated. We found that all of these factors
affect the performance of the solar cells, although there are several alternative methods which can result in similar
improvements of the performance. We found that the improvement trends for various procedures (additives, PCBM
top layer, P3HT nanowires, etc.) are similar and also strongly dependent on the different source materials. The main
factor determining in the obtainable efficiency is the solution preparation and the source materials. Obtained results
and the implications on further improvement of solar cell performance are discussed in detail.
Paper Details
Date Published: 20 February 2012
PDF: 9 pages
Proc. SPIE 8258, Organic Photonic Materials and Devices XIV, 82581E (20 February 2012); doi: 10.1117/12.907660
Published in SPIE Proceedings Vol. 8258:
Organic Photonic Materials and Devices XIV
Christopher Tabor; François Kajzar; Toshikuni Kaino; Yasuhiro Koike, Editor(s)
PDF: 9 pages
Proc. SPIE 8258, Organic Photonic Materials and Devices XIV, 82581E (20 February 2012); doi: 10.1117/12.907660
Show Author Affiliations
A. Ng, The Univ. of Hong Kong (Hong Kong, China)
Y. C. Sun, The Univ. of Hong Kong (Hong Kong, China)
M. K. Fung, The Univ. of Hong Kong (Hong Kong, China)
A. M. C. Ng, The Univ. of Hong Kong (Hong Kong, China)
Y. C. Sun, The Univ. of Hong Kong (Hong Kong, China)
M. K. Fung, The Univ. of Hong Kong (Hong Kong, China)
A. M. C. Ng, The Univ. of Hong Kong (Hong Kong, China)
Y. H. Leung, The Univ. of Hong Kong (Hong Kong, China)
A. B. Djurišić, The Univ. of Hong Kong (Hong Kong, China)
W. K. Chan, The Univ. of Hong Kong (Hong Kong, China)
A. B. Djurišić, The Univ. of Hong Kong (Hong Kong, China)
W. K. Chan, The Univ. of Hong Kong (Hong Kong, China)
Published in SPIE Proceedings Vol. 8258:
Organic Photonic Materials and Devices XIV
Christopher Tabor; François Kajzar; Toshikuni Kaino; Yasuhiro Koike, Editor(s)
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