Improving the Light Trapping Efficiency of Plasmonic Polymer Solar Cells through Photon Management

被引：121

作者：

Hsiao, Yu-Sheng ^{[1
]}

Charan, Shobhit ^{[1
,2
]}

Wu, Feng-Yu ^{[1
]}

Chien, Fan-Ching ^{[1
]}

Chu, Chih-Wei ^{[1
]}

Chen, Peilin ^{[1
]}

Chen, Fang-Chung ^{[3
,4
]}

机构：

[1] Acad Sinica, Res Ctr Appl Sci, Taipei 11529, Taiwan

[2] Natl Taiwan Univ, Dept Chem, Taiwan Int Grad Program, Taipei 10617, Taiwan

[3] Natl Chiao Tung Univ, Dept Photon, Hsiuchu 30010, Taiwan

[4] Natl Chiao Tung Univ, Display Inst, Hsiuchu 30010, Taiwan

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2012年 / 116卷 / 39期

关键词：

OPTICAL-ABSORPTION; ENHANCEMENT; DEPENDENCE; RESONANCE;

D O I：

10.1021/jp306124n

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：

In this study, we have explored how light trapping efficiency can be enhanced by using gold nanoparticles (Au NPs) of various sizes and shapes on the front of polymer solar cells (PSCs) with the active layer-blends of poly(3-hexyl thiophene) and [6,6]-phenyl-C-61-butyric acid methyl ester. The light-concentrating behavior was enhanced after we had incorporated gold nanospheres or nanorods into the anodic buffer layer [based on poly(3,4-ethylenedioxythiophene):polystyrenesulfonate] to trigger various localized surface plasmon resonance (LSPR) bands. Comparison of the optical characteristics and the performance of the PSCs prepared with and without Au NPs, and we found that the UV-vis and wavelength-dependent photoluminescent spectral data corroborated with the device performance due to the photon management by considering the light scattering and LSPR effects at the active layer. The presence of Au NPs increased the power conversion efficiency to approximately 4.3% (an enhancement of 24%).

引用

页码：20731 / 20737

页数：7

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