One-step solvothermal synthesis of indium oxide as liquefied petroleum gas sensor
作者： Jia-qiang Xu , Xiao-hua Wang , Jia-nian Shen
DOI: 10.1007/S11741-007-0418-1
关键词:
摘要: A liquefied petroleum gas (LPG) sensor with high selectivity, sensitivity and low power consumption has been developed based on indium oxide very resistance. Nanocrystalline In2O3 sensing materials were directly synthesized through a one-step controllable solvothermal process at 210°C for 24 h, using InCl3·4H2O as the starting material, cetyltrimethyl ammonium bromide (CTAB) additive ethanol solvent. The obtained samples characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM). results showed that takes uniform cubic shape range size of 10∼30 nm fine dispersivity. Gas was measured in mixing static gas. indicated 3.0 V is best working voltage to LPG. Sensitivity 12.6. response-time recovery-time are 3 s 10 respectively. Power only around 200 mW.
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