Enhanced spectral response in polymer bulk heterojunction solar cells by using active materials with complementary spectra

被引：33

作者：

Huang, Jen-Hsien ^{[2
]}

Lee, Chuan-Pei ^{[2
]}

Ho, Zhong-Yo ^{[3
]}

Kekuda, Dhananjay ^{[1
]}

Chu, Chih-Wei ^{[1
,4
]}

Ho, Kuo-Chuan ^{[2
,3
]}

机构：

[1] Acad Sinica, Res Ctr Appl Sci, Taipei 11529, Taiwan

[2] Natl Taiwan Univ, Dept Chem Engn, Taipei 10617, Taiwan

[3] Natl Taiwan Univ, Inst Polymer Sci & Engn, Taipei 10617, Taiwan

[4] Natl Chiao Tung Univ, Dept Photon, Hsinchu 300, Taiwan

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2010年 / 94卷 / 01期

关键词：

Polymer solar cell; Polyfluorene; PCBM; Spectra coverage; Bulk heterojunction; POLYFLUORENE COPOLYMER; PERFORMANCE; EFFICIENT;

D O I：

10.1016/j.solmat.2009.02.019

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

We have fabricated organic photovoltaic devices with blends of poly[9,9'-dioctyl-fluorene-co-bithiophene] (F8T2) and fullerene as an electron donor and electron acceptor, respectively. A significant improvement of the photovoltaic efficiency was found in device by using active materials with complementary spectra. The different weight ratios of composite film were also performed to correlate between morphology and the device performance. A power conversion efficiency (PCE) up to 2.0% with an open-circuit voltage of 0.85 V and a short-circuit current (J(SC)) of 5.3 mA/cm(2), was achieved by blending the F8T2 with [6,6]-phenyl-C71-butyric acid methyl ester (PC[70]BM). (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：22 / 28

页数：7

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