High-efficiency photovoltaic devices based on annealed poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6)C61 blends -: art. no. 083506

被引：1032

作者：

Reyes-Reyes, M ^{[1
]}

Kim, K ^{[1
]}

Carroll, DL ^{[1
]}

机构：

[1] Wake Forest Univ, Dept Phys, Ctr Nanotechnol & Mol Mat, Winston Salem, NC 27109 USA

来源：

APPLIED PHYSICS LETTERS | 2005年 / 87卷 / 08期

关键词：

D O I：

10.1063/1.2006986

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effects of annealing and fullerene loading in regioregular poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6)C-61 (PCBM) based bulk heterojunction photovoltaics have been investigated. Under specific loading and annealing conditions, a combination of morphological and electronic factors can be brought to play to achieve optimal filling factors, open-circuit voltage (V-oc), and short-circuit current density (J(sc)). We demonstrate that this occurs at surprisingly low loadings of PCBM and annealing temperatures nearing the melting point of the polymer. Further, we report power conversion efficiencies approaching 5% in the P3HT:PCBM system. (c) 2005 American Institute of Physics.

引用

页数：3

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