The alcohol-sensing behaviour of SnO2 nanorods prepared by a facile solid state reaction
The alcohol-sensing behaviour of SnO2 nanorods prepared by a facile solid state reaction
复制标题
简易固相反应制备 SnO2 纳米棒的酒精传感行为
DOI:
10.1088/1757-899x/170/1/012002
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发表时间:
2017-02
期刊:
影响因子:
--
通讯作者:
HY Zhao
中科院分区:
文献类型:
--
作者:
F Gao;XP Ren;WJ Wan;YP Zhao;YH Li;HY Zhao
SnO2 nanorods with the range of 12-85 nm in diameter were fabricated by a facile solid state reaction in the medium of NaCl-KCl mixture at room temperature and calcined at 600, 680, 760 and 840 oC, respectively. The XRD, TEM and XPS were employed to characterize the structure and morphology of the SnO2 nanorods. The influence of the calcination temperature on the gas sensing behaviour of the SnO2 nanorods with different diameter was investigated. The result showed that all the sensors had good response to alcohol. The response of the gracile nanorods prepared at a low calcined temperature demonstrated significantly better than the thick nanorods prepared at a high calcined temperature. The mechanism was attributed to the nonstoichiometric ratio of Sn/O and larger surface area of the gracile nanorods to enhance the oxygen surface adsorption.
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