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Polaron-pair-dependent equivalent circuit parameters of organic solar cells based on CuPc and C60

ISSN号：1674-862X
期刊名称：《电子科技学刊：英文版》
时间：0
分类：TN304.5[电子电信—物理电子学] TM914.4[电气工程—电力电子与电力传动]
作者机构：[1]State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Scienceand Technology of China (UESTC), Chengdu 610054, China
相关基金：This work was supported by the National Natural Science Foundation of China （NSFC）（Grant No. 60736005）, the Foundation for Innovative Research Groups of the NSFC （Grant No. 60721001）, the High-Tech Research ＆ Development Program of China （Grant No. 2007AAO3Z424）, the Program for New Century Excellent Talents in University （Grant No. NCET-06-0812）, and the Young Excellence Project of UESTC （Grant No. 060206）.

作者： HUANG Jiang YU JunSheng LIN Hui JIANG YaDong[1]

关键词：有机太阳能电池, 极化子, 等效电路参数, C60, 酞菁铜, 电流电压特性, 等效电路模型, 电流密度, polaron-pairs, organic solar cells, equivalent circuit, CuPc, C60

中文摘要：

我们在场器官的太阳能电池的当前电压的特征在承兑交单接口从激子基于铜酞毒(CuPc ) 和由介绍经常的 J P 而不是光电流密度 J ph 代表极化子对的密度的 C60 的单个、双的异质接面产生了。A 二极管 D ext 模型极化子对分离，和二极管 D 消遣由于极化子对再结合代表损失。在在 100 mW/cm2 的紧张的 AM 1.5 太阳的照明下面的光电的反应是 parameterized 并且用为无机的结太阳能电池开发的改进相等的电路模型当模特儿。包括分离，极化子对的再结合和费用搬运人收集过程的本能机制被作为费用搬运人应用程序效率 CA 作为极化子对和 | J|/J ph 的分离率介绍 J ph/J P 解释。特别，我们为 fill 因素 FF 和器官的太阳能电池的系列抵抗 R S 揭示优化机制。

英文摘要：

We present the current-voltage characteristics of organic solar cells based on single and double heterojunction of copper phthalo- cyanine （CuPc） and C60 by introducing a constant Jp instead of photo-current density Jph to represent the density of polaron-pairs generated from excitons at D/A interface. A diode Dext models polaron-pair dissociation, and a diode Drec stands for loss due to polaron-pair recombination. The photovoltaic response under AM 1.5 solar illumination at an intensity of 100 mW/cm^2 is parameterized and modeled using the improved equivalent circuit model developed for inorganic pn-junction solar cells. The instinct mechanisms including dissociation, recombination of polaron-pairs and charge carrier collection process are explained by introducing Jph/Jp as the dissociation rate of polaron-pairs and ｜J｜/Jph as charge carrier application efficiency ηCA. Especially, we reveal the optimization mechanism for the fill factor FF and series resistance Rs of organic solar cells.