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Enhanced Performance of Organic Photovoltaic Cells Fabricated with a Methyl Thiophene-3-Carboxylate-Containing Alternating Conjugated Copolymer
- Issue Date
- 27-1월-2012
- Publisher
- WILEY-BLACKWELL
- Keywords
- bulk heterojunction; copolymerization; conjugated polymers; PCBM; polymer solar cells
- Citation
- MACROMOLECULAR RAPID COMMUNICATIONS, v.33, no.2, pp.146 - 151
- Indexed
- SCIE
SCOPUS
- Journal Title
- MACROMOLECULAR RAPID COMMUNICATIONS
- Volume
- 33
- Number
- 2
- Start Page
- 146
- End Page
- 151
- ISSN
- 1022-1336
- Abstract
- A new donor-acceptor copolymer, containing benzodithiophene (BDT) and methyl thiophene-3-carboxylate (3MT) units, is designed and synthesized for polymer solar cells (PSCs). The 3MT unit is used as an electron acceptor unit in this copolymer to provide a lower highest occupied molecular orbital (HOMO) level for obtaining polymer solar cells with a higher open-circuit voltage (VOC). The resulting bulk heterojunction PSC made of the copolymer and [6,6]-phenyl-C71-butyric acid methyl ester (PC71BM) exhibits a power conversion efficiency (PCE) up to 4.52%, a short circuit current (JSC) of 10.5 mA center dot cm-2, and a VOC of 0.86 V.
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Collections - College of Science > Department of Chemistry > 1. Journal Articles
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