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Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi

In this study, resistive humidity sensors were fabricated using ZnO-based nanocomposite films on top of ZnO-seed-layer-coated glass substrates. This study introduced different novel configurations of humidity sensors that were prepared using sol-gel immersion and sputtering method. Several approache...

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Main Author: Ismail@Rosdi, Ahmad Syakirin
Format: Thesis
Language:English
Published: 2019
Subjects:
Composite materials.
Graphene
Online Access:https://ir.uitm.edu.my/id/eprint/83024/1/83024.pdf
https://ir.uitm.edu.my/id/eprint/83024/
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spelling my.uitm.ir.830242024-02-07T00:25:07Z https://ir.uitm.edu.my/id/eprint/83024/ Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi Ismail@Rosdi, Ahmad Syakirin Composite materials. Graphene In this study, resistive humidity sensors were fabricated using ZnO-based nanocomposite films on top of ZnO-seed-layer-coated glass substrates. This study introduced different novel configurations of humidity sensors that were prepared using sol-gel immersion and sputtering method. Several approaches, such as doping and constructing composite films, were applied to improve the ZnO-based humidity sensors. The structural, optical, and electrical properties of the synthesized films were characterized via field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, atomic force microscopy, energy-dispersive X-ray spectroscopy, Raman spectroscopy, ultraviolet–visible–infrared spectrophotometry, and two-probe current-voltage measurement. The humidity sensing performances of the films were measured in a humidity chamber equipped with a measurement system. Results showed that the intrinsic ZnO nanorod arrays (NRAs) exhibited a humidity sensitivity of 1.53. The humidity sensing performance of the fabricated ZnO NRAs could be further enhanced to 3.7 by doping with 1 at.% of tin (Sn). A slight increment of humidity sensitivity of the Sn-doped ZnO (SZO) film was facilitated by the enlargement of surface area. 2019 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/83024/1/83024.pdf Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi. (2019) PhD thesis, thesis, Universiti Teknologi MARA (UiTM). <http://terminalib.uitm.edu.my/83024.pdf>
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Composite materials.
Graphene
spellingShingle Composite materials.
Graphene
Ismail@Rosdi, Ahmad Syakirin
Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi
description In this study, resistive humidity sensors were fabricated using ZnO-based nanocomposite films on top of ZnO-seed-layer-coated glass substrates. This study introduced different novel configurations of humidity sensors that were prepared using sol-gel immersion and sputtering method. Several approaches, such as doping and constructing composite films, were applied to improve the ZnO-based humidity sensors. The structural, optical, and electrical properties of the synthesized films were characterized via field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, atomic force microscopy, energy-dispersive X-ray spectroscopy, Raman spectroscopy, ultraviolet–visible–infrared spectrophotometry, and two-probe current-voltage measurement. The humidity sensing performances of the films were measured in a humidity chamber equipped with a measurement system. Results showed that the intrinsic ZnO nanorod arrays (NRAs) exhibited a humidity sensitivity of 1.53. The humidity sensing performance of the fabricated ZnO NRAs could be further enhanced to 3.7 by doping with 1 at.% of tin (Sn). A slight increment of humidity sensitivity of the Sn-doped ZnO (SZO) film was facilitated by the enlargement of surface area.
format Thesis
author Ismail@Rosdi, Ahmad Syakirin
author_facet Ismail@Rosdi, Ahmad Syakirin
author_sort Ismail@Rosdi, Ahmad Syakirin
title Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi
title_short Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi
title_full Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi
title_fullStr Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi
title_full_unstemmed Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi
title_sort humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / ahmad syakirin ismail @ rosdi
publishDate 2019
url https://ir.uitm.edu.my/id/eprint/83024/1/83024.pdf
https://ir.uitm.edu.my/id/eprint/83024/
_version_ 1792159368529051648
score 13.211869

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