Pathways to hot carrier solar cells

被引:5
|
作者
Ferry, David K. [1 ]
Whiteside, Vincent R. [2 ]
Sellers, Ian R. [2 ]
机构
[1] Arizona State Univ, Sch Elect Comp & Energy Engn, Tempe, AZ USA
[2] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA
基金
美国国家科学基金会;
关键词
hot carriers; economics; intervalley transfer; energy selective contacts; hot phonons; HETEROJUNCTION BIPOLAR-TRANSISTORS; OPEN-CIRCUIT VOLTAGE; P-N-JUNCTION; INTERVALLEY SCATTERING; QUANTUM-WELLS; PICOSECOND RELAXATION; ENERGY-CONVERSION; IMPACT IONIZATION; BULK GAAS; EFFICIENCY;
D O I
10.1117/1.JPE.12.022204
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Hot carrier solar cells (HCSCs) were first proposed many decades ago. Over the intervening years, there has been a continuing quest to create these cells that hold promise to shatter the Shockley-Queisser efficiency limit on single-junction solar cells. While there have been many positive and suggestive results in recent years, there remains no true operational HCSC. There are perhaps many reasons for this state. Here, many of the requirements for achieving such an HCSC will be discussed and some approaches will be modernized in terms of their science. Valley photovoltaics, in which carriers are transferred to higher-lying valleys of the conduction band will be described and the recent progress is discussed. (C) 2022 Society of Photo-Optical Instrumentation Engineers
引用
收藏
页数:20
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