Nanoparticle-induced light scattering for improved performance of quantum-well solar cells

被引：107

作者：

Derkacs, D. ^{[1
]}

Chen, W. V. ^{[1
]}

Matheu, P. M. ^{[1
]}

Lim, S. H. ^{[1
]}

Yu, P. K. L. ^{[1
]}

Yu, E. T. ^{[1
]}

机构：

[1] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 09期

关键词：

D O I：

10.1063/1.2973988

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the improved performance of InP/InGaAsP quantum-well waveguide solar cells via light scattering from deposited dielectric or metal nanoparticles. The integration of metal or dielectric nanoparticles above the quantum-well solar cell device is shown to couple normally incident light into lateral optical propagation paths, with optical confinement provided by the refractive index contrast between the quantum-well layers and surrounding material. With minimal optimization, short-circuit current density increases of 12.9% and 7.3% and power conversion efficiency increases of 17% and 1% are observed for silica and Au nanoparticles, respectively. (c) 2008 American Institute of Physics.

引用

页数：3

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