Highly sensitive SnO2 nanofiber chemiresistors with a low optimal operating temperature: Synergistic effect of Cu2+/Au co-doping

Zhenyu Li; Xungai Wang; Tong Lin

doi:10.1039/c4ta01926a

Highly sensitive SnO₂ nanofiber chemiresistors with a low optimal operating temperature: Synergistic effect of Cu²⁺/Au co-doping

Zhenyu Li, Xungai Wang, Tong Lin

Research output: Journal article publication › Journal article › Academic research › peer-review

31 Citations (Scopus)

Abstract

Metal oxide chemiresistors (MOCs) with a low optimal operating temperature, high sensitivity and fast response/recovery are highly promising for various applications, but remain challenging to realize. Herein, we demonstrate that SnO₂ nanofibers after being co-doped with Cu²⁺ and Au show considerably enhanced sensing performances at an unexpectedly decreased operating temperature. A synergistic effect occurs when the two dopants are introduced together. Co-doping may form a novel strategy to the development of ultrasensitive MOCs working at a low optimal temperature.

Original language	English
Pages (from-to)	13655-13660
Number of pages	6
Journal	Journal of Materials Chemistry A
Volume	2
Issue number	33
DOIs	https://doi.org/10.1039/c4ta01926a
Publication status	Published - 7 Sept 2014
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Renewable Energy, Sustainability and the Environment
General Materials Science

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

More information

10.1039/c4ta01926a

Cite this

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AB - Metal oxide chemiresistors (MOCs) with a low optimal operating temperature, high sensitivity and fast response/recovery are highly promising for various applications, but remain challenging to realize. Herein, we demonstrate that SnO2 nanofibers after being co-doped with Cu2+ and Au show considerably enhanced sensing performances at an unexpectedly decreased operating temperature. A synergistic effect occurs when the two dopants are introduced together. Co-doping may form a novel strategy to the development of ultrasensitive MOCs working at a low optimal temperature.

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