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Hybridization of ZnSnO3 and rGO for improvement of formaldehyde sensing properties
Sun, Jianhua1,2; Bai, Shouli1; Tian, Ye1; Zhao, Yanhong1; Han, Nin3; Luo, Ruixian1; Li, Dianqing1; Chen, Aifan1

The rGO/ZnSnO3 composites have been elaborately synthesized by a facile solution-based self-assembly synthesis method at low temperature. The structure, morphology, thermal stability, composition and specific surface area of composite were characterized by XRD, SEM, TG, XPS and BET analysis, respectively. The sensing experiments show that the sensor based on 3 wt% rGO composite not only exhibits high sensitivity (low limit of detection), excellent selectivity and linearity relationship between responses and formaldehyde concentration from 1 to 10 ppm, but also exhibits fast response and recovery at operating temperature of 103 degrees C. The enhanced sensing mechanism of the hybrid to formaldehyde was discussed in detail, which can mainly be ascribed to the large specific surface area for gas adsorption, porous channels for gas diffusion, the fast carrier transport benefited from rGO and the formation of heterojunction at the interface between the rGO and ZnSnO3. (C) 2017 Elsevier B.V. All rights reserved.

KeywordRgo Znsno3 Rgo/znsno3 Composite Formaldehyde Sensor
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
WOS KeywordPhotocatalytic Activity ; Enhanced Performance ; Selective Detection ; Visible-light ; Hybrid Films ; Gas-sensors ; Graphene ; Temperature ; Nanocomposites ; Fabrication
WOS Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
Funding OrganizationNational Natural Science Foundation of China(51372013 ; Beijing Engineering Center for Hierarchical Catalysts ; National Key R&D Program of China(2016YFC0207100) ; Foundation of Guangxi Department of Education(2017KY0025) ; 51772015)
WOS IDWOS:000418868700005
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Document Type期刊论文
Affiliation1.Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing Key Lab Environm Harmful Chem Anal, Beijing 100029, Peoples R China
2.Guangxi Univ, Sch Chem & Chem Engn, Guangxi Key Lab Petrochem Resource Proc & Proc In, Nanning 530004, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Sun, Jianhua,Bai, Shouli,Tian, Ye,et al. Hybridization of ZnSnO3 and rGO for improvement of formaldehyde sensing properties[J]. SENSORS AND ACTUATORS B-CHEMICAL,2018,257:29-36.
APA Sun, Jianhua.,Bai, Shouli.,Tian, Ye.,Zhao, Yanhong.,Han, Nin.,...&Chen, Aifan.(2018).Hybridization of ZnSnO3 and rGO for improvement of formaldehyde sensing properties.SENSORS AND ACTUATORS B-CHEMICAL,257,29-36.
MLA Sun, Jianhua,et al."Hybridization of ZnSnO3 and rGO for improvement of formaldehyde sensing properties".SENSORS AND ACTUATORS B-CHEMICAL 257(2018):29-36.
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