Indium Oxide with Novel Morphology: Synthesis and Application in C2H5OH Gas Sensing

In this work, mesoporous In2O3 nanorods composed of many small well-aligned crystal nanostructures have been fabricated by a simple sol−gel process, with block copolymer PE6800 as a soft template controlling their morphology. The effects of the experimental parameters such as the concentration of PE...

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Bibliographic Details
Published in:Crystal growth & design 2009-05, Vol.9 (5), p.2146-2151
Main Authors: Li, E, Cheng, Zhixuan, Xu, Jiaqiang, Pan, Qingyi, Yu, Weijun, Chu, Yuliang
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Nanoscale materials and structures: fabrication and characterization
Other topics in nanoscale materials and structures
Physics
Porous materials
granular materials
Quantum wires
Specific materials
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Summary:In this work, mesoporous In2O3 nanorods composed of many small well-aligned crystal nanostructures have been fabricated by a simple sol−gel process, with block copolymer PE6800 as a soft template controlling their morphology. The effects of the experimental parameters such as the concentration of PE6800, the dosage of InCl3·4H2O, reaction temperature, and pH values were investigated by a series of experiments. The as-synthesized mesoporous In2O3 nanorods showed excellent gas-sensing properties to C2H5OH in terms of sensor response and selectivity.
ISSN:1528-7483
1528-7505
DOI:10.1021/cg8007238