光电子学
材料科学
光子学
单色
光子
能量转换效率
光伏系统
共振(粒子物理)
热化
光学
异质结
物理
电气工程
热力学
粒子物理学
工程类
作者
Henning Helmers,Esther López,Oliver Höhn,David Lackner,Jonas Schön,Meike Schauerte,Michael Schachtner,Frank Dimroth,Andreas W. Bett
标识
DOI:10.1002/pssr.202170026
摘要
A thin-film GaAs/AlGaAs rear-heterojunction photonic power converter with a back reflector is presented by Henning Helmers and co-workers in article number 2100113. Photon recycling is leveraged to increase the excess carrier density and consequently the output voltage. Optical resonance yields highest absorptance for near-bandgap photons. Thereby thermalization losses are minimized without compromising minimal transmission. A photovoltaic conversion efficiency of 68.9% for 858 nm monochromatic light is demonstrated.
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