Electrospun ZnSnO<sub>3</sub>/ZnO Composite Nanofibers and Its Ethanol-Sensitive Properties

In this work, a novel heterojunction based on ZnSnO<sub>3</sub>/ZnO nanofibers was prepared by a simple electrospinning method. The crystal, structural, and surface compositional properties of ZnSnO<sub>3</sub> and ZnSnO<sub>3</sub>/ZnO composite nanofibers were i...

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Main Authors: Songtao Dong, Xiaoyun Jin, Junlin Wei, Hongyan Wu
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Metals
Subjects:
Online Access:https://www.mdpi.com/2075-4701/12/2/196
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author Songtao Dong
Xiaoyun Jin
Junlin Wei
Hongyan Wu
author_facet Songtao Dong
Xiaoyun Jin
Junlin Wei
Hongyan Wu
author_sort Songtao Dong
collection DOAJ
description In this work, a novel heterojunction based on ZnSnO<sub>3</sub>/ZnO nanofibers was prepared by a simple electrospinning method. The crystal, structural, and surface compositional properties of ZnSnO<sub>3</sub> and ZnSnO<sub>3</sub>/ZnO composite nanofibers were investigated by X-ray diffractometer (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray photoelectron spectrometer (XPS), and Brunauer–Emmett–Teller (BET). Compared to pure ZnSnO<sub>3</sub> nanofibers, the ZnSnO<sub>3</sub>/ZnO heterostructure nanofibers had high sensitivity and selectivity response with the fast response toward ethanol gas at low operational temperature. The sensing response of the sensor based on ZnSnO<sub>3</sub>/ZnO composite nanofibers was 19.6 toward 50 ppm ethanol gas at 225 °C, which was about 1.5 times superior to that of pure ZnSnO<sub>3</sub> nanofibers. It can be owed mainly to the oxygen vacancies and the synergistic effect between ZnSnO<sub>3</sub> and ZnO.
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spelling doaj.art-1d8b288247314996a338b79bd1d12c4b2023-11-23T21:06:29ZengMDPI AGMetals2075-47012022-01-0112219610.3390/met12020196Electrospun ZnSnO<sub>3</sub>/ZnO Composite Nanofibers and Its Ethanol-Sensitive PropertiesSongtao Dong0Xiaoyun Jin1Junlin Wei2Hongyan Wu3Institute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science and Technology, Nanjing 210044, ChinaInstitute of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, ChinaInstitute of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, ChinaInstitute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science and Technology, Nanjing 210044, ChinaIn this work, a novel heterojunction based on ZnSnO<sub>3</sub>/ZnO nanofibers was prepared by a simple electrospinning method. The crystal, structural, and surface compositional properties of ZnSnO<sub>3</sub> and ZnSnO<sub>3</sub>/ZnO composite nanofibers were investigated by X-ray diffractometer (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray photoelectron spectrometer (XPS), and Brunauer–Emmett–Teller (BET). Compared to pure ZnSnO<sub>3</sub> nanofibers, the ZnSnO<sub>3</sub>/ZnO heterostructure nanofibers had high sensitivity and selectivity response with the fast response toward ethanol gas at low operational temperature. The sensing response of the sensor based on ZnSnO<sub>3</sub>/ZnO composite nanofibers was 19.6 toward 50 ppm ethanol gas at 225 °C, which was about 1.5 times superior to that of pure ZnSnO<sub>3</sub> nanofibers. It can be owed mainly to the oxygen vacancies and the synergistic effect between ZnSnO<sub>3</sub> and ZnO.https://www.mdpi.com/2075-4701/12/2/196electrospinningZnSnO<sub>3</sub>/ZnO nanofiberssensing performancen-n heterojunction
spellingShingle Songtao Dong
Xiaoyun Jin
Junlin Wei
Hongyan Wu
Electrospun ZnSnO<sub>3</sub>/ZnO Composite Nanofibers and Its Ethanol-Sensitive Properties
Metals
electrospinning
ZnSnO<sub>3</sub>/ZnO nanofibers
sensing performance
n-n heterojunction
title Electrospun ZnSnO<sub>3</sub>/ZnO Composite Nanofibers and Its Ethanol-Sensitive Properties
title_full Electrospun ZnSnO<sub>3</sub>/ZnO Composite Nanofibers and Its Ethanol-Sensitive Properties
title_fullStr Electrospun ZnSnO<sub>3</sub>/ZnO Composite Nanofibers and Its Ethanol-Sensitive Properties
title_full_unstemmed Electrospun ZnSnO<sub>3</sub>/ZnO Composite Nanofibers and Its Ethanol-Sensitive Properties
title_short Electrospun ZnSnO<sub>3</sub>/ZnO Composite Nanofibers and Its Ethanol-Sensitive Properties
title_sort electrospun znsno sub 3 sub zno composite nanofibers and its ethanol sensitive properties
topic electrospinning
ZnSnO<sub>3</sub>/ZnO nanofibers
sensing performance
n-n heterojunction
url https://www.mdpi.com/2075-4701/12/2/196
work_keys_str_mv AT songtaodong electrospunznsnosub3subznocompositenanofibersanditsethanolsensitiveproperties
AT xiaoyunjin electrospunznsnosub3subznocompositenanofibersanditsethanolsensitiveproperties
AT junlinwei electrospunznsnosub3subznocompositenanofibersanditsethanolsensitiveproperties
AT hongyanwu electrospunznsnosub3subznocompositenanofibersanditsethanolsensitiveproperties