Tuning SnO2 architectures with unitary or composite microstructure for the application of gas sensors

被引：20
作者：
Yang, Fuchao [1 ,4 ]
Guo, Zhiguang [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, State Key Lab Solid Lubricat, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China
[2] Hubei Univ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Wuhan 430062, Peoples R China
[3] Hubei Univ, Minist Educ, Key Lab Green Preparat & Applicat Funct Mat, Wuhan 430062, Peoples R China
[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2016年 / 462卷
关键词：
Polyvinyl pyrrolidone; SnO2; Solvothermal process; Morphology; Gas sensors; SENSING PROPERTIES; HIGH-SENSITIVITY; ZNO; PERFORMANCE; NANOTUBES; CO; NANOSTRUCTURES; NANOPARTICLES; FABRICATION; NANOFIBERS;
D O I：
10.1016/j.jcis.2015.09.074
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Different SnO2 architectures with unitary or binary structure were successfully assembled utilizing the assistance of Polyvinyl pyrrolidone (PVP). The microstructure, surface topography, specific surface area and gas sensing property were investigated with X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), Brunauer-Emmett-Teller (BET) and WS-60A gas sensing apparatus, respectively. The sensing amplitude, selectivity, response time and recovery time were carefully studied. The possible mechanism of crystallization and gas sensing behavior were also discussed. The present study could be potentially applied to the ethanol or acetone detection and referenced by other researchers and engineers. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码：140 / 147
页数：8
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