Investigation of the localized surface plasmon effect from Au nanoparticles in ZnO nanorods for enhancing the performance of polymer solar cells

被引：23

作者：

Ho, Yu-Che ^{[1
]}

Kao, Shao-Hsuan ^{[1
]}

Lee, Hsin-Che ^{[1
]}

Chang, Sheng-Kai ^{[1
]}

Lee, Cheng-Che ^{[1
]}

Lin, Ching-Fuh ^{[1
,2
,3
]}

机构：

[1] Natl Taiwan Univ, Grad Inst Photon & Optoelect, Taipei 10617, Taiwan

[2] Natl Taiwan Univ, Grad Inst Elect Engn, Taipei 10617, Taiwan

[3] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

来源：

NANOSCALE | 2015年 / 7卷 / 02期

关键词：

ORGANIC PHOTOVOLTAICS; THIN-FILM; OPTICAL-PROPERTIES; GOLD; ABSORPTION; DEPOSITION; LAYER;

D O I：

10.1039/c4nr05194g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The organic polymer solar cell is recognized as one of the most competitive technologies of the next generation. Au nanoparticles and ZnO nanorods were combined to improve the inverted-structure low-bandgap polymer solar cells and enhance the absorption and efficiency of the devices. However, the Au nanoparticles tend to aggregate in solution, thus reducing the localized surface plasmon resonance (LSPR) effect. The cluster effect on the spectral range of enhancement in the absorption is investigated and the absorption characteristics of the LSPR receive proper modification through our experiment. After reducing the number of Au nanoparticle clusters, the LSPR effect in the devices was clearly verified. The proper combination of the Au nanoparticles and ZnO nanorods leads to the power conversion efficiency of the PTB7 : PC71BM inverted organic solar cell reaching 8.04% after optimizing the process conditions.

引用

页码：776 / 783

页数：8

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