Highly absorbing solar cells-a survey of plasmonic nanostructures

被引：53

作者：

Dunbar, Ricky B. ^{[1
,2
]}

Pfadler, Thomas ^{[1
,2
]}

Schmidt-Mende, Lukas ^{[1
,2
,3
]}

机构：

[1] LMU, Dept Phys, D-80799 Munich, Germany

[2] LMU, Ctr NanoSci CeNS, D-80799 Munich, Germany

[3] Univ Konstanz, Dept Phys, D-78457 Constance, Germany

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 06期

关键词：

HETEROJUNCTION PHOTOVOLTAIC DEVICES; ENHANCED OPTICAL-ABSORPTION; THIN-FILMS; LIGHT; NANOPARTICLES; EFFICIENCY; TRANSMISSION;

D O I：

10.1364/OE.20.00A177

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Plasmonic light trapping in thin film solar cells is investigated using full-wave electromagnetic simulations. Light absorption in the semiconductor layer with three standard plasmonic solar cell geometries is compared to absorption in a flat layer. We identify near-field absorption enhancement due to the excitation of localized surface plasmons but find that it is not necessary for strong light trapping in these configurations: significant enhancements are also found if the real metal is replaced by a perfect conductor, where scattering is the only available enhancement mechanism. The absorption in a 60 nm thick organic semiconductor film is found to be enhanced by up to 19% using dispersed silver nanoparticles, and up to 13% using a nanostructured electrode. External in-scattering nanoparticles strongly limit semiconductor absorption via back-reflection. (C) 2012 Optical Society of America

引用

页码：A177 / A189

页数：13

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