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

UN SDGs

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

SDG 7 Affordable and Clean Energy

ASJC Scopus subject areas

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

More information

10.1039/c4ta01926a

Cite this

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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. ",

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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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