Current-Voltage Characteristics of Bulk Heterojunction Organic Solar Cells: Connection Between Light and Dark Curves

被引:61
作者
Boix, Pablo P. [1 ]
Guerrero, Antonio [1 ]
Marchesi, Luis F. [1 ,2 ]
Garcia-Belmonte, Germa [1 ]
Bisquert, Juan [1 ]
机构
[1] Univ Jaume 1, Dept Fis, Photovolta & Optoelect Devices Grp, ES-12071 Castellon de La Plana, Spain
[2] Univ Fed Sao Carlos, LIEC, BR-13560 Sao Carlos, SP, Brazil
关键词
organic photovoltaics; recombination resistance; current-voltage; impedance spectroscopy; NONGEMINATE RECOMBINATION; FILL FACTOR; COLLECTION; LOSSES; STATES;
D O I
10.1002/aenm.201100334
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A connection is established between recombination and series resistances extracted from impedance spectroscopy and current-voltage curves of polythiophene:fullerene organic solar cells. Recombination is shown to depend exclusively on the (Fermi level) voltage, which allows construction of the current-voltage characteristics in any required conditions based on a restricted set of measurements. The analysis highlights carrier recombination current as the determining mechanism of organic solar cell performance.
引用
收藏
页码:1073 / 1078
页数:6
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