期刊
POLYMER
卷 49, 期 21, 页码 4647-4651出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2008.08.041
关键词
Hybrid solar cells; Polymer; PbS quantum dots
资金
- National Natural Science Foundation of China [60736034, 60576036]
- National Basic Research Program of China [2006CB202604, 2006CB604904]
- National High Technology Research and Development Program of China [2006AA03Z408]
Poly[2-methoxy-5-(3',7'-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) capped PbS quantum dots about 3-6 nm in diameter were synthesized with a novel method. Unlike the synthesis of oleic acid capped PbS quantum dots, the reactions were carried out in solution at room temperature, with the presence of a capping ligand species, MDMO-PPV. The quantum dots were used to fabricate bulk heterojunction solar cells with an indium tin oxide (ITO)/polyethylenedioxythiophene/polystyrenesulphonate (PEDOT: PSS)/MDMO-PPV: PbS/Al structure. Current density-voltage characterization of the devices showed that after the addition of the MDMO-PPV capped PbS quantum dots to MDMO-PPV film, the performance was dramatically improved compared with pristine MDMO-PPV solar cells. (C) 2008 Elsevier Ltd. All rights reserved.
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