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Issue 12, 2019
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Synthesis of double-shelled SnO2 hollow cubes for superior isopropanol sensing performance

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Abstract

Multi-shelled hollow structures have attracted extensive attention due to their promising performance in many areas. To date, however, the synthesis of non-spherical hollow multilayer porous structures remains a huge challenge. In this work, we present a straightforward synthesis route for the preparation of double-shelled SnO2 cubes without any additional templates. The sensor based on as-obtained double-shelled SnO2 hollow cubes shows high sensitivity and a fast response time (1 s) to isopropanol at a low operating temperature of 180 °C. The excellent gas sensing performance of the sensor to isopropanol can be attributed to the particular construction with multilayer hollow and mesoporous shells. Significantly, the extraction strategy also provides a new way for preparing non-spherical SnO2 hollow multilayer porous structures.

Graphical abstract: Synthesis of double-shelled SnO2 hollow cubes for superior isopropanol sensing performance

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Publication details

The article was received on 18 Jan 2019, accepted on 08 Feb 2019 and first published on 11 Feb 2019


Article type: Paper
DOI: 10.1039/C9NJ00292H
Citation: New J. Chem., 2019,43, 4721-4726

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    Synthesis of double-shelled SnO2 hollow cubes for superior isopropanol sensing performance

    H. Sun, C. Zhang, Y. Peng and W. Gao, New J. Chem., 2019, 43, 4721
    DOI: 10.1039/C9NJ00292H

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