標題: Enhanced spectral response in polymer bulk heterojunction solar cells by using active materials with complementary spectra
作者: Huang, Jen-Hsien
Lee, Chuan-Pei
Ho, Zhong-Yo
Kekuda, Dhananjay
Chu, Chih-Wei
Ho, Kuo-Chuan
光電工程學系
Department of Photonics
關鍵字: Polymer solar cell;Polyfluorene;PCBM;Spectra coverage;Bulk heterojunction
公開日期: 1-Jan-2010
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.
URI: http://dx.doi.org/10.1016/j.solmat.2009.02.019
http://hdl.handle.net/11536/14566
ISSN: 0927-0248
DOI: 10.1016/j.solmat.2009.02.019
期刊: SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume: 94
Issue: 1
起始頁: 22
結束頁: 28
Appears in Collections:Conferences Paper


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