Novel gas sensoring materials based on CuS hollow spheres

X. L. Yu; Y. Wang; H. L.W. Chan; C. B. Cao

doi:10.1016/j.micromeso.2008.09.035

Novel gas sensoring materials based on CuS hollow spheres

X. L. Yu, Y. Wang^*, H. L.W. Chan, C. B. Cao

^*Corresponding author for this work

School of Material Science and Engineering

Research output: Contribution to journal › Article › peer-review

58 Citations (Scopus)

Abstract

CuS hollow spheres with diameters of 200 nm and a wall thickness of 30 nm have been synthesized in a large scale via surfactant micelle-template inducing reaction. Due to the special morphology, the hollow spheres showed excellent sensing properties to ethanol, including high sensitivity, rapid response rate and fast recovery. The gain in sensitivity is attributed to both the intrinsic phase-transition property of copper sulfide and their hollow architecture that promotes analyte diffusion and increases the available active surface area.

Original language	English
Pages (from-to)	423-426
Number of pages	4
Journal	Microporous and Mesoporous Materials
Volume	118
Issue number	1-3
DOIs	https://doi.org/10.1016/j.micromeso.2008.09.035
Publication status	Published - 1 Feb 2009

Keywords

Copper sulfide
Gas sensor
Hollow spheres
Nanomaterials

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10.1016/j.micromeso.2008.09.035

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abstract = "CuS hollow spheres with diameters of 200 nm and a wall thickness of 30 nm have been synthesized in a large scale via surfactant micelle-template inducing reaction. Due to the special morphology, the hollow spheres showed excellent sensing properties to ethanol, including high sensitivity, rapid response rate and fast recovery. The gain in sensitivity is attributed to both the intrinsic phase-transition property of copper sulfide and their hollow architecture that promotes analyte diffusion and increases the available active surface area.",

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AB - CuS hollow spheres with diameters of 200 nm and a wall thickness of 30 nm have been synthesized in a large scale via surfactant micelle-template inducing reaction. Due to the special morphology, the hollow spheres showed excellent sensing properties to ethanol, including high sensitivity, rapid response rate and fast recovery. The gain in sensitivity is attributed to both the intrinsic phase-transition property of copper sulfide and their hollow architecture that promotes analyte diffusion and increases the available active surface area.

KW - Copper sulfide

KW - Gas sensor

KW - Hollow spheres

KW - Nanomaterials

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JF - Microporous and Mesoporous Materials

IS - 1-3

ER -

Novel gas sensoring materials based on CuS hollow spheres

Abstract

Keywords

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