An Alternative Approach for Improving Performance of Organic Photovoltaics by Light-Enhanced Annealing

被引:2
|
作者
Yao, En-Ping [1 ]
Ho, Chiu-Sheng [1 ]
Yu, Chang [1 ]
Huang, E-Ling [1 ]
Lai, Ying-Nan [1 ]
Hsu, Wei-Chou [1 ]
机构
[1] Natl Cheng Kung Univ, Inst Microelect, Dept Elect Engn, Adv Optoelect Technol Ctr, Tainan 70101, Taiwan
关键词
POLYMER SOLAR-CELLS; OPTICAL-PROPERTIES; POLY(3-HEXYLTHIOPHENE); SOLVENT; MORPHOLOGY; FULLERENE; BLENDS; FILMS;
D O I
10.1155/2014/120693
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
This work proposes an approach for improving the performance of poly(3-hexylthiophene) (P3HT-) based organic photovoltaics (OPVs). P3HT-based bulk heterojunction (BHJ) film can absorb the energy from 532 nm laser light and be transformed into favorable morphology. A combination of traditional thermal annealing and laser annealing improved device performance, with a slight increase in fill factor and a significant improvement in short-circuit current density. Better crystallization and a higher degree of molecular order in the thermal/laser coannealed P3HT-based BHJ film were observed through X-ray diffraction and Raman spectroscopy.
引用
收藏
页数:7
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