基于复合电子传输层聚合物太阳能电池性能研究

吉林大学学报(信息科学版)

基于复合电子传输层聚合物太阳能电池性能研究

纪永成

吉林大学电子科学与工程学院, 长春 130012

收稿日期:2016-11-08 出版日期:2017-09-29 发布日期:2017-10-23
作者简介:纪永成(1981— ), 男, 长春人, 吉林大学工程师, 主要从事半导体实验教学研究, (Tel)86-13800022222(E-mail)jiyc@jlu. edu. cn。
基金资助:
国家自然科学基金资助项目(61275035)

Employing Organic/ Inorganic Interface Layer to Improve Electron Transfer of Polymer Solar Cells

JI Yongcheng

College of Electronic Science and Engineering, Jilin University, Changchun 130012, China

Received:2016-11-08 Online:2017-09-29 Published:2017-10-23

摘要/Abstract

摘要： 为解决电子和空穴传输不平衡以及载流子复合对有机太阳能电池转换效率的限制问题, 提出采用聚芴材
料 PFO(poly(9,9-dioctylfluorenyl-2,7-diyl))对有机太阳能电池电子传输层 TiO 2 进行界面修饰以提高电荷传输,
进而提高太阳能电池能量转换效率。通过表面形貌分析和功函数测量表明, PFO 界面层的引入不仅填补了
TiO 2 界面缺陷, 同时 PFO 可作为有效的电荷传输中心, 通过提高器件电子转移能力, 进而提高有机太阳能电
池器件短路电流和填充因子, 使有机电池能量转换效率从 5. 17%提升到 6. 96%。

关键词: 双有机太阳能电池, 界面修饰, 能量转换效率, 短路电流

Abstract: Poor electron and hole transfer and high carrier recombination are critical problems for realizing
commercial applications of PSCs ( Polymer Solar Cells). We introduce PFO ( poly (9,9-dioctylfluorenyl-2,
7-diyl)) as a TiO 2 hybrid interface modification layer to enhance the performance of inverted PSCs. Surface
morphology and work function measurement demonstrated that PFO interlayer eliminated the defects and traps
from TiO 2 surface and acted as an efficient charge transport matrix, resulting in enhanced charge carrier transfer
between the electrode and the active layer. The photocurrent and the fill factor of the PSCs are both increased,
resulting in an increased PCE(Power Conversion Efficiency) from 5. 17% to 6. 96%.

Key words: photocurrent ( J sc ), power conversion efficiency (PCE), polymer solar cells ( PSCs), interface modification

中图分类号:

TN304. 52

纪永成. 基于复合电子传输层聚合物太阳能电池性能研究[J]. 吉林大学学报(信息科学版), 2017, 35(5): 493-497.

JI Yongcheng. Employing Organic/ Inorganic Interface Layer to Improve Electron Transfer of Polymer Solar Cells[J]. Journal of Jilin University(Information Science Ed, 2017, 35(5): 493-497.