Coupled optical and electrical analysis for thin-film solar cells with embedded dielectric nanoparticles

被引：10

作者：

Mopurisetty, Sundara Murthy ^{[1
]}

Bajaj, Mohit ^{[2
]}

Sathaye, Ninad D. ^{[2
]}

Ganguly, Swaroop ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Bombay 400076, Maharashtra, India

[2] IBM Semicond Res & Dev Ctr, Bangalore 500054, Karnataka, India

来源：

APPLIED PHYSICS LETTERS | 2015年 / 106卷 / 02期

关键词：

RECOMBINATION VELOCITIES; AG NANOPARTICLES; SILICON-NITRIDE; SURFACES; INTERFACES; ABSORPTION; DESIGN;

D O I：

10.1063/1.4906291

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Combined optical and electrical simulations were performed for thin-film (silicon) solar cell structures with dielectric (silicon-dioxide) nanoparticles embedded in the active region for efficiency enhancement. The efficiency enhancement due to optimally sized nanoparticles is found to be 22% and 15% in the constant coverage area and constant pitch configurations, respectively; further, the enhancement qualitatively follows the trends expected from optical-only simulations. This, however, assumes a good quality dielectric-semiconductor interface, whereas heavy recombination at this interface is seen to degrade the efficiency significantly-setting an upper limit on the surface recombination velocity up to which embedding nanoparticles is beneficial. (C) 2015 AIP Publishing LLC.

引用

页数：4

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