Journal
MATERIALS RESEARCH BULLETIN
Volume 89, Issue -, Pages 267-272Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2017.02.010
Keywords
SnO2; Nanocubes; Mesoporous; Gas sensing; Ethanol
Categories
Funding
- 973 Program [2013CB632701]
- Major State Basic Research Development Program of China Program [2016YFA0202201]
- National Natural Science Foundation of China [51202163, 11574335]
- Shanghai Committee of Science and Technology [13ZR1429400]
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In this study, mesoporous SnO2 nanocubes with tunable sizes are fabricated by a facile hydrothermal route and a subsequent acid etching process. The SnO2 nanocubes with large surface area and rich porosity exhibits superior gas sensing property toward ethanol in terms of ultrahigh sensitivity (response of 1670.5 to 100 ppm and similar to 72 to 1 ppm ethanol), fast response times (23 s) and recovery times (21 s), excellent selectivity as well as relative low working temperature of 200 degrees C. The superior gas sensing performance of as -fabricated SnO2 nanocubes might be promising in many practical applications. (C) 2017 Elsevier Ltd. All rights reserved.
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