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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Recent Progress on Research of Polymer Solar Cells
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 1449-1453)
Author(s): Jian-feng Zhang, Faculty of Material Science and Chemical Engineering, Ningbo University, Ningbo China, 315211
Yan-bing Qian, Faculty of Material Science and Chemical Engineering, Ningbo University, Ningbo China, 315211
Abstract: The recent development on polymer organic cells was reviewed. New polymers with low bandgap so as to better match the solar spectrum can enhance the light absorption. Bulk heterojunction of donor and acceptor materials with phase separation at nanometer scale can dramatically increase the efficiency via the improvement on excitons’ diffusion and separation, and the charge transport. In order to further improve the efficiency of bulk heterojunction solar cells based on polymer/PCBM blend, the perfect polymer should bear low bandgap and low HOMO level simultaneously, thereby collaboratively increase the short circuit current and the open circuit voltage.
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