Improvement of conversion efficiency for multi-junction solar cells by incorporation of Au nanoclusters

被引：38

作者：

Yang, M. D. ^{[1
]}

Liu, Y. K. ^{[1
]}

Shen, J. L. ^{[1
]}

Wu, C. H. ^{[2
]}

Lin, C. A. ^{[3
]}

Chang, W. H. ^{[3
]}

Wang, H. H. ^{[4
]}

Yeh, H. I. ^{[4
]}

Chan, W. H. ^{[5
]}

Parak, W. J. ^{[6
]}

机构：

[1] Chung Yuan Christian Univ, Dept Phys, Chungli 32023, Taiwan

[2] Inst Nucl Energy Res, Lungtan 32500, Taiwan

[3] Chung Yuan Christian Univ, Dept Biomed Engn, Chungli 32023, Taiwan

[4] Mackay Mem Hosp, Taipei, Taiwan

[5] Chung Yuan Christian Univ, Dept Biosci Technol, Chungli 32023, Taiwan

[6] Univ Marburg, Fachbereich Phys, D-35037 Marburg, Germany

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 20期

关键词：

D O I：

10.1364/OE.16.015754

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We studied the photoluminescence (PL) and photovoltaic current-voltage characteristics of the three-junction InGaP/InGaAs/Ge solar cells by depositing Au nanoclusters on the cell surface. The increases of the PL intensity and short-circuit current after incorporation of Au nanoclusters are evident. An increase of 15.3% in energy conversion efficiency (from 19.6 to 22.6%) is obtained for the three-junction solar cells in which Au nanoclusters have been incorporated. We suggest that the increased light trapping due to radiative scattering from Au nanoclusters is responsible for improving the performance of the three-junction solar cells. (C) 2008 Optical Society of America

引用

页码：15754 / 15758

页数：5

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