Low bandgap InAs-based thermophotovoltaic cells for heat-electricity conversion

Krier, Anthony and Yin, Min and Marshall, Andrew Robert Julian and Krier, Susan Elaine (2016) Low bandgap InAs-based thermophotovoltaic cells for heat-electricity conversion. Journal of Electronic Materials, 45 (6). pp. 2826-2830. ISSN 0361-5235

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Abstract

The practical realization of thermophotovoltaic (TPV) cells, which can directly convert heat into electric power, is of considerable technological interest. However, most existing TPV cells require heat sources at temperatures of ∼1800°C. Here we report a low bandgap mid-infrared cell based on InAs and demonstrate TPV operation with heat sources at temperatures in the range 500–950°C. The maximum open circuit voltage (Voc) and short circuit current density (Jsc) were measured as 0.06 V and 0.89 A cm−2 for a blackbody temperature of 950°C and an incident power density of 720 mW cm−2 without antireflection coating or electrode optimisation. TPV operation was obtained with heat sources at temperatures as low as 500°C, which represents progress towards energy scavenging and waste heat recovery applications.

Item Type: Journal Article
Journal or Publication Title: Journal of Electronic Materials
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 81054
Deposited By: ep_importer_pure
Deposited On: 18 Aug 2016 09:44
Refereed?: Yes
Published?: Published
Last Modified: 14 Aug 2019 02:16
URI: https://eprints.lancs.ac.uk/id/eprint/81054

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