期刊
APPLIED PHYSICS LETTERS
卷 98, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3548672
关键词
-
资金
- NSF [ECCS-0824116]
This work addresses the question of how much electrical power can in principle be extracted from heat radiation via the combined use of interband and intersubband photodetection as a way to overcome the fundamental limitations of existing thermophotovoltaic devices using mature InP-based technology. Very efficient coverage of the incident radiation spectrum and optimal current matching can be achieved using multiple quantum-cascade structures monolithically integrated with a p-n junction by taking advantage of their intrinsic cascading scheme, spectral agility, and design flexibility. Numerical simulations indicate that this approach can effectively double the present state-of-the-art in thermophotovoltaic output electrical power. (c) 2011 American Institute of Physics. [doi:10.1063/1.3548672]
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