Preparation of sol-gel nano-composites containing copper oxide and their gas sensing properties

A. Dutta; D. Das; M. L. Grilli; E. Di Bartolomeo; E. Traversa; D. Chakravorty

doi:10.1023/A:1020706707243

Preparation of sol-gel nano-composites containing copper oxide and their gas sensing properties

A. Dutta, D. Das, M. L. Grilli, E. Di Bartolomeo^*, E. Traversa, D. Chakravorty

^*Corresponding author for this work

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

35 Scopus citations

Abstract

Sol-gel derived composite materials were prepared with nano-sized copper particles in silica matrix. Nano-sized oxide coatings were grown on the nano-particles of copper by subjecting the composites to a controlled oxidation treatment at different temperatures. The current response of samples with oxide layers of different thickness were studied at fixed temperatures in the range 350-450°C in the presence of different concentrations of CO and NO₂. The nano-composites were sensitive to both the gases. The operating temperature and the oxide thickness were found to have significant effect on the sensing properties.

Original language	English (US)
Pages (from-to)	1085-1089
Number of pages	5
Journal	Journal of Sol-Gel Science and Technology
Volume	26
Issue number	1-3
DOIs	https://doi.org/10.1023/A:1020706707243
State	Published - Jan 2003
Externally published	Yes

Keywords

Copper oxide
Gas sensor
Nano-composite

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
General Chemistry
Biomaterials
Condensed Matter Physics
Materials Chemistry

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title = "Preparation of sol-gel nano-composites containing copper oxide and their gas sensing properties",

abstract = "Sol-gel derived composite materials were prepared with nano-sized copper particles in silica matrix. Nano-sized oxide coatings were grown on the nano-particles of copper by subjecting the composites to a controlled oxidation treatment at different temperatures. The current response of samples with oxide layers of different thickness were studied at fixed temperatures in the range 350-450°C in the presence of different concentrations of CO and NO2. The nano-composites were sensitive to both the gases. The operating temperature and the oxide thickness were found to have significant effect on the sensing properties.",

keywords = "Copper oxide, Gas sensor, Nano-composite",

author = "A. Dutta and D. Das and Grilli, {M. L.} and {Di Bartolomeo}, E. and E. Traversa and D. Chakravorty",

year = "2003",

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doi = "10.1023/A:1020706707243",

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AU - Dutta, A.

AU - Das, D.

AU - Grilli, M. L.

AU - Di Bartolomeo, E.

AU - Traversa, E.

AU - Chakravorty, D.

PY - 2003/1

Y1 - 2003/1

N2 - Sol-gel derived composite materials were prepared with nano-sized copper particles in silica matrix. Nano-sized oxide coatings were grown on the nano-particles of copper by subjecting the composites to a controlled oxidation treatment at different temperatures. The current response of samples with oxide layers of different thickness were studied at fixed temperatures in the range 350-450°C in the presence of different concentrations of CO and NO2. The nano-composites were sensitive to both the gases. The operating temperature and the oxide thickness were found to have significant effect on the sensing properties.

AB - Sol-gel derived composite materials were prepared with nano-sized copper particles in silica matrix. Nano-sized oxide coatings were grown on the nano-particles of copper by subjecting the composites to a controlled oxidation treatment at different temperatures. The current response of samples with oxide layers of different thickness were studied at fixed temperatures in the range 350-450°C in the presence of different concentrations of CO and NO2. The nano-composites were sensitive to both the gases. The operating temperature and the oxide thickness were found to have significant effect on the sensing properties.

KW - Copper oxide

KW - Gas sensor

KW - Nano-composite

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U2 - 10.1023/A:1020706707243

DO - 10.1023/A:1020706707243

M3 - Article

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SN - 0928-0707

VL - 26

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EP - 1089

JO - Journal of Sol-Gel Science and Technology

JF - Journal of Sol-Gel Science and Technology

IS - 1-3

ER -

Preparation of sol-gel nano-composites containing copper oxide and their gas sensing properties

Abstract

Keywords

ASJC Scopus subject areas

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