Plasmon enhanced light trapping in thin film GaAs solar cells by Al nanoparticle array

被引：47
|
作者：
Singh, Gurjit [1 ]
Verma, S. S. [1 ]
机构：
[1] St Longowal Inst Engn & Technol, Dept Phys, Sangrur 148106, Punjab, India
来源：
PHYSICS LETTERS A | 2019年 / 383卷 / 13期
关键词：
Solar cells; Nanoparticles; Optical absorption; Current density; FDTD; AG NANOPARTICLES; SILICON; SCATTERING; EFFICIENCY; DESIGN; FRONT;
D O I：
10.1016/j.physleta.2019.02.008
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Light trapping is a crucial factor to enhance the performance of thin film solar cells. For effective light trapping, we introduced Al nanoparticle array on the top and rear surface of thin film GaAs solar cells. The effect of both array on the optical absorption and current density of solar cells is investigated by using finite difference time domain (FDTD) method. The optimization process of top and rear array in solar cells is done systematically. The results indicate that by plasmonic action of arrays, the optical absorption is significantly enhanced and optimized structure yields a current density of 25.77 mA/cm(2). These enhancements are mainly attributed to surface plasmon effects induced by Al nanoparticles and the light grating properties of the arrays. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：1526 / 1530
页数：5
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