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...

Full description

Saved in:

Bibliographic Details
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
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-uitm-ir.83024
record_format	uketd_dc
spelling	my-uitm-ir.830242024-02-07T00:25:07Z Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi 2019 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 https://ir.uitm.edu.my/id/eprint/83024/ https://ir.uitm.edu.my/id/eprint/83024/1/83024.pdf text en public phd doctoral Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering Mamat, Mohamad Hafiz
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Mamat, Mohamad Hafiz
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
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
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
granting_institution	Universiti Teknologi MARA (UiTM)
granting_department	Faculty of Electrical Engineering
publishDate	2019
url	https://ir.uitm.edu.my/id/eprint/83024/1/83024.pdf
_version_	1794191961346801664

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

Similar Items