Surface nanostructure optimization for solar energy harvesting in Si thin film based solar cells

被引：0

作者：

Li, Junshuai ^{[1
]}

Yu, HongYu ^{[1
]}

Wong, She Mein ^{[1
]}

Zhang, Gang ^{[1
]}

Lo, Guo-Qiang ^{[1
]}

Kwong, Dim-Lee ^{[1
]}

机构：

[1] ASTAR, Inst Microelect, Singapore 117685, Singapore

来源：

2009 IEEE INTERNATIONAL ELECTRON DEVICES MEETING | 2009年

关键词：

SILICON NANOWIRE; OPTICAL-ABSORPTION; BROAD-BAND; ARRAYS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The solar energy harvesting of Si thin films with Si nanocone or nanopillar array decorated surfaces is systematically studied by simulation for the first time. It is found that the high and broad-width light absorption around 2.5 eV is the key to achieve high efficiencies for both structures. Nanostructure dimensions are optimized based on the enhanced light scattering, and thus the prolongated optical path around this energy. This work provides a practical guideline to design and fabricate Si thin film solar cells with high efficiency matching the bulk Si record.

引用

页码：511 / 514

页数：4

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