期刊
APPLIED PHYSICS LETTERS
卷 93, 期 9, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.2973988
关键词
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资金
- CSD Von Liebig Foundation [FA9550-07-10148]
- DoE [DE-FG36-08GO18016]
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.
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