Preparation and Gas Sensing Properties of Graphene/SnO2 by Solvothermal Method

被引：2

作者：

Jiang Yu-Fang ^{[1
]}

Wu Hai-Yan ^{[1
]}

Chu Xiang-Feng ^{[1
]}

Liang Shi-Ming ^{[2
]}

Zhang Jun ^{[1
]}

Gao Qi ^{[1
]}

Wang Yan ^{[1
]}

机构：

[1] Anhui Univ Technol, Sch Chem & Chem Engn, Maanshan 243032, Anhui, Peoples R China

[2] Linyi Univ, Sch Mat Sci & Engn, Linyi 276005, Shandong, Peoples R China

来源：

CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2019年 / 35卷 / 07期

关键词：

graphene; SnO2; ammonia; solvothermal method; gas sensing properties; ROOM-TEMPERATURE; SNO2; SELECTIVITY;

D O I：

10.11862/CJIC.2019.124

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Graphene/SnO2 (G/SnO2) composites were prepared by solvothermal method and characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Raman spectroscopy, etc. The effect of the amount of graphene and the solvothermal temperature on the gas sensing properties of G/SnO2 composites was investigated. The results showed that graphene supernatant can regulate the growth of SnO2 crystals. The G/SnO2 nanomaterial obtained with 1 mL supernatant and heat treatment at 160 degrees C for 10 h had good response and selectivity to ammonia at room temperature. The response to 1 000 mu L.L-1 ammonia gas reached 266.4 and the detection limit reached 0.01 mu L.L-1.

引用

页码：1163 / 1168

页数：6

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