MoO3对有机太阳能电池性能影响的研究

J4 ›› 2011, Vol. 28 ›› Issue (2): 191-196.

• 第二届全国光学青年学术论坛论文选登 • 上一篇下一篇

MoO₃对有机太阳能电池性能影响的研究

王娜娜,于军胜,王琦,单娟,蒋亚东

电子科技大学光电信息学院电子薄膜与集成器件国家重点实验室，四川成都 610054

出版日期:2011-03-28 发布日期:2011-03-03
通讯作者: 于军胜 (1970-), 教授，博士生导师，四川省显示科学与技术重点实验室主任，主要研究方向为光电子材料与器件。 E-mail:jsyu@uestc.edu.cn
作者简介:王娜娜 (1985-), 女，博士生，主要研究方向为有机太阳能电池。E-mail: nnwang@uestc.edu.cn
基金资助:
国家自然科学基金 (60736005、60425101-1)、国家自然基金创新群体 (60721001)、省部级课题 (9140A02060609DZ0208、20090185110020、GGRYJJ08-05)和四川省中青年学术带头人计划 (09ZQ026-074)

Role of MoO3 as an anode buffer layer in organic photovoltaic cells

WANG Na-na, YU Jun-sheng, WANG Qi, SHAN Juan, JIANG Ya-dong

State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China

Published:2011-03-28 Online:2011-03-03

摘要/Abstract

摘要：

采用MoO3作为阳极缓冲层，制备了结构为ITO/MoO3/P3HT/C60/Bphen/Ag的有机太阳能电池器件，研究了MoO3薄膜厚度对器件性能的影响。采用常用的等效电路模型，仿真计算得到MoO3缓冲层对器件串联电阻的影响。此外，测试了器件的吸收光谱，研究了MoO3缓冲层对器件光子吸收的作用。结果表明，在MoO3厚度为1 nm时，器件的短路电流密度、开路电压和填充因子都得到了提高。MoO3可以改善电极和有机层的界面接触性能，能够有效降低器件的串联电阻，提高载流子的传输和收集效率；同时，MoO3缓冲层透过率高，不会对器件的光吸收效率造成影响。

关键词: 光电子学, 有机太阳能电池, 缓冲层, MoO3, 界面修饰

Abstract:

Using molybdenum trioxide (MoO3) as anode buffer layer, organic photovoltaic (OPV) cells with a structure of ITO/MoO3/P3HT/C60/Bphen/Ag was studied. The effect of the thickness of MoO3 on electrical characteristics of the device was systematically investigated. From the conventional equivalent circuit model, the series resistance of the cell was calculated. Also, the absorption spectrum was measured by a spectrophotometer. The results indicate that at the optimized thickness of MoO3, the short circuit current, open circuit voltage and fill factor were all increased. The MoO3 layer plays an important role in forming good interface contact between anode and donor, which decreases the series resistance and improves the carrier transfer and collection efficiencies. Moreover, MoO3 has high optical transparency and can not decrease the photon absorption efficiency.

Key words: optoelectronics, organic photovoltaic cells, buffer layer, MoO3, interface modification

中图分类号:

O432.7

王娜娜,于军胜,王琦,单娟,蒋亚东. MoO₃对有机太阳能电池性能影响的研究[J]. J4, 2011, 28(2): 191-196.

WANG Na-na, YU Jun-sheng, WANG Qi, SHAN Juan, JIANG Ya-dong . Role of MoO3 as an anode buffer layer in organic photovoltaic cells[J]. J4, 2011, 28(2): 191-196.

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MoO₃对有机太阳能电池性能影响的研究

Role of MoO3 as an anode buffer layer in organic photovoltaic cells

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