A hot-carrier solar cell with optical energy selective contacts

被引：45
|
作者：
Farrell, D. J. [1 ]
Takeda, Y. [2 ]
Nishikawa, K. [2 ]
Nagashima, T. [3 ]
Motohiro, T. [2 ]
Ekins-Daukes, N. J. [1 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London, England
[2] Toyota Cent Res & Dev Labs Inc, Aichi 4801192, Japan
[3] Toyota Motor Co Ltd, Future Project Div, Shizuoka 4101193, Japan
来源：
APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 11期
关键词：
EFFICIENCY; CONVERSION;
D O I：
10.1063/1.3636401
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The hot-carrier solar cell (HC-SC) is an ambitious approach to solar energy conversion which in principle can achieve high efficiency (84%) from a single bandgap semiconductor. Here we propose a method of utilising hot-carriers within a photovoltaic device in which energy is extracted optically from a hot-carrier distribution rather than through the usual approach of electrical conduction. Depending on the optical extraction rate, the concept proposed here may attain an upper efficiency approaching that of the conventional HC-SC. (C) 2011 American Institute of Physics. [doi:10.1063/1.3636401]
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页数：3
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