Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability

Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability

Highly sensitive and extremely thin tin oxide/zinc oxide (SnO2/ZnO) heterojunction films were prepared via a two-step solution-based method for humidity-sensing application. The average diameters of the ZnO and SnO2 nanoparticles were 26 and 6 nm, respectively. The deposition of SnO2 for 3 min reduc...

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Published in:Materials Science in Semiconductor Processing
Main Author: Ismail A.S.; Mamat M.H.; Malek M.F.; Yusoff M.M.; Mohamed R.; Sin N.D.M.; Suriani A.B.; Rusop M.
Format: Article
Language:English
Published: Elsevier Ltd 2018
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85044142159&doi=10.1016%2fj.mssp.2018.03.022&partnerID=40&md5=6bf92b8353749b899e455d96ae01e5b3
id 2-s2.0-85044142159
spelling 2-s2.0-85044142159
Ismail A.S.; Mamat M.H.; Malek M.F.; Yusoff M.M.; Mohamed R.; Sin N.D.M.; Suriani A.B.; Rusop M.
Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability
2018
Materials Science in Semiconductor Processing
81

10.1016/j.mssp.2018.03.022
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85044142159&doi=10.1016%2fj.mssp.2018.03.022&partnerID=40&md5=6bf92b8353749b899e455d96ae01e5b3
Highly sensitive and extremely thin tin oxide/zinc oxide (SnO2/ZnO) heterojunction films were prepared via a two-step solution-based method for humidity-sensing application. The average diameters of the ZnO and SnO2 nanoparticles were 26 and 6 nm, respectively. The deposition of SnO2 for 3 min reduced film resistance from 6.74 MΩ to 0.40 MΩ. Remarkably, the humidity-sensing performance of the heterojunction sensors was critically dependent on deposition time, and sensors subjected to 3 min deposition exhibited the highest sensitivity (90.56) to humidity, which was significantly higher than that of bare ZnO. This study indicates that the use of SnO2/ZnO heterojunction has a great potential in humidity sensing applications. © 2018 Elsevier Ltd
Elsevier Ltd
13698001
English
Article
author Ismail A.S.; Mamat M.H.; Malek M.F.; Yusoff M.M.; Mohamed R.; Sin N.D.M.; Suriani A.B.; Rusop M.
spellingShingle Ismail A.S.; Mamat M.H.; Malek M.F.; Yusoff M.M.; Mohamed R.; Sin N.D.M.; Suriani A.B.; Rusop M.
Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability
author_facet Ismail A.S.; Mamat M.H.; Malek M.F.; Yusoff M.M.; Mohamed R.; Sin N.D.M.; Suriani A.B.; Rusop M.
author_sort Ismail A.S.; Mamat M.H.; Malek M.F.; Yusoff M.M.; Mohamed R.; Sin N.D.M.; Suriani A.B.; Rusop M.
title Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability
title_short Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability
title_full Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability
title_fullStr Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability
title_full_unstemmed Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability
title_sort Heterogeneous SnO2/ZnO nanoparticulate film: Facile synthesis and humidity sensing capability
publishDate 2018
container_title Materials Science in Semiconductor Processing
container_volume 81
container_issue
doi_str_mv 10.1016/j.mssp.2018.03.022
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85044142159&doi=10.1016%2fj.mssp.2018.03.022&partnerID=40&md5=6bf92b8353749b899e455d96ae01e5b3
description Highly sensitive and extremely thin tin oxide/zinc oxide (SnO2/ZnO) heterojunction films were prepared via a two-step solution-based method for humidity-sensing application. The average diameters of the ZnO and SnO2 nanoparticles were 26 and 6 nm, respectively. The deposition of SnO2 for 3 min reduced film resistance from 6.74 MΩ to 0.40 MΩ. Remarkably, the humidity-sensing performance of the heterojunction sensors was critically dependent on deposition time, and sensors subjected to 3 min deposition exhibited the highest sensitivity (90.56) to humidity, which was significantly higher than that of bare ZnO. This study indicates that the use of SnO2/ZnO heterojunction has a great potential in humidity sensing applications. © 2018 Elsevier Ltd
publisher Elsevier Ltd
issn 13698001
language English
format Article
accesstype
record_format scopus
collection Scopus
_version_ 1814778507994071040

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