Issue 47, 2017
From the journal:

Nanoscale

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

L. Liu,‡ab   G. H. Li,‡c   Y. Wang,de   Y. Y. Wang,b   T. Li,a   T. Zhang ORCID logo *a  and  S. J. Qin*b  

* Corresponding authors

a i -Lab Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Ruoshui Road, Suzhou 215123, China
E-mail: tzhang2009@sinano.ac.cn

b Department of Environmental Science, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou 215123, China
E-mail: Sujie.Qin@xjtlu.ac.cn

c Department of Chemical and Environmental Engineering, University of California, Riverside, California 92521, USA

d C&N Intl. Co. Ltd, Beijing 102206, China

e Institute of Biophysics Chinese Academy of Sciences Beijing 100101, China

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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Article information

DOI
https://doi.org/10.1039/C7NR02590D
Article type
Communication
Submitted
11 Apr 2017
Accepted
09 Aug 2017
First published
10 Aug 2017

Nanoscale, 2017,9, 18579-18583

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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, 9, 18579 DOI: 10.1039/C7NR02590D

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