In2O3 hollow spheres: One-step solvothermal synthesis and gas sensing properties |
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| Authors: | Yingju Fan Shunwei Wang Zhongxi Sun |
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| Affiliation: | 1. School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China;2. Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, University of Jinan, Jinan 250022, China |
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| Abstract: | Hollow In2O3 spheres were prepared via a P123-assisted one-step solvothermal process for the first time. Ethanol medium played a key role in the direct cubic In2O3 phase formation whereas the triblock copolymer acted as a structure directing agent in the formation of the hollow spheres. The gas sensing properties of the as-prepared In2O3 hollow spheres were investigated. Compared to the products synthesized without P123, the In2O3 hollow spheres exhibited much faster response and higher sensitivity toward HCHO vapor. |
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| Keywords: | Semiconductors Nanostructures Oxide Chemical synthesis Gas sensing |
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