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A photovoltaic self-powered gas sensor based on a single-walled carbon nanotube/Si heterojunction

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Abstract

We present a novel photovoltaic self-powered gas sensor based on a p-type single-walled carbon nanotube (SWNT) and n-type silicon (n-Si) heterojunction. The energy from visible light suffices to drive the device owing to a built-in electric field (BEF) induced by the differences between the Fermi levels of SWNTs and n-Si.

Graphical abstract: A photovoltaic self-powered gas sensor based on a single-walled carbon nanotube/Si heterojunction

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Publication details

The article was received on 11 Apr 2017, accepted on 09 Aug 2017 and first published on 10 Aug 2017


Article type: Communication
DOI: 10.1039/C7NR02590D
Citation: Nanoscale, 2017, Advance Article
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    A photovoltaic self-powered gas sensor based on a single-walled carbon nanotube/Si heterojunction

    L. Liu, G. H. Li, Y. Wang, Y. Y. Wang, T. Li, T. Zhang and S. J. Qin, Nanoscale, 2017, Advance Article , DOI: 10.1039/C7NR02590D

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