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Title: | SYNTHESIS OF INDIUM OXIDE CUBIC CRYSTALS BY MODIFIED HYDROTHERMAL ROUTE FOR APPLICATION IN ROOM TEMPERATURE FLEXIBLE ETHANOL SENSORS |
Authors: | Seetha, M Meena, P Mangalaraj, D Yoshitake, Masuda Senthil, K |
Issue Date: | 15-Mar-2012 |
Publisher: | Elsevier |
Abstract: | Indium oxide cubic crystals were prepared by using hexamethylenetetramine and indium chloride without the addition of any structure directing agents. The chemical route followed in the present work was a modified hydrothermal synthesis. The average crystallite size of the prepared cubes was found to be 40 nm. A blue emission at 418 nm was observed at room temperature when the sample was excited with a 380 nm Xenon lamp. This emission due to oxygen vacancies made the material suitable for gas sensing applications. The synthesized material was made as a composite film with polyvinyl alcohol which was more flexible than the films prepared on glass substrates. This flexible film was used as a sensing element and tested with ethanol vapours at room temperature. The film showed fast response as well as recovery to ethanol vapours with a sensor response of about 1.4 for 100 ppm of the gas. |
URI: | https://www.sciencedirect.com/science/article/abs/pii/S0254058411010625?via%3Dihub |
Appears in Collections: | 2.Article (11) |
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File | Description | Size | Format | |
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SYNTHESIS OF INDIUM OXIDE CUBIC CRYSTALS BY MODIFIED HYDROTHERMAL ROUTE FOR APPLICATION IN ROOM TEMPERATURE FLEXIBLE ETHANOL SENSORS.docx | 204.35 kB | Microsoft Word XML | View/Open |
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