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Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature

Different TiO2 synthesization processes give different properties. Most of researches in material studies only focus on the morphological and optical properties of TiO2 while lacking in the effort of achieving stable electrical properties of the material. In engineering, stable electrical propertie...

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Main Authors:	Nadzirah, Sh., Uda, Hashim, Kashif, M., Shahidah Arina, Shamsuddin
Format:	E-Article
Language:	English
Published:	Springer Verlag 2016
Subjects:	TP Chemical technology
Online Access:	http://ir.unimas.my/id/eprint/12174/1/Stable-electrical%2C-morphological-and-optical-properties-of-titanium-dioxide-nanoparticles-affected-by-annealing-temperature_2016_Microsystem-Technologies%20%28abstrak%29.pdf http://ir.unimas.my/id/eprint/12174/ https://www.scopus.com/inward/record.url?eid=2-s2.0-84961675245&partnerID=40&md5=7f9c7a345eeb1c7febbfa846cd647914
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spelling	my.unimas.ir.121742017-10-18T03:51:12Z http://ir.unimas.my/id/eprint/12174/ Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature Nadzirah, Sh. Uda, Hashim Kashif, M. Shahidah Arina, Shamsuddin TP Chemical technology Different TiO2 synthesization processes give different properties. Most of researches in material studies only focus on the morphological and optical properties of TiO2 while lacking in the effort of achieving stable electrical properties of the material. In engineering, stable electrical properties are vital in order to develop a device. Moreover, current technology needs more nanostructure application to enhance the performance of devices. In this paper, TiO2 nanoparticle was synthesized by sol–gel method using 1:0.1:9 ratios of titanium isopropoxide:acetic acid:ethanol, respectively. This synthesized TiO2 was able to respond in extremely small and consistent electrical reading (nanoampere). This metal oxide is good enough to be used as a material to develop ultra-high sensitive biosensor. Annealing process on the TiO2 film was able to improve its’ electrical conductivity. The three layers TiO2 coating were annealed at 400, 500, 600 and 700 °C and the surface morphologies, structural also electro-optical properties were studied using FESEM, XRD, UV–Vis and Keithley 6485 picoammeter. The XRD pattern shows the presence of stable anatase and rutile structures even at low temperature, whereas FESEM shows that annealingtemperature affects the particle size. The optical band gap of TiO2 thin films decreases from 3.74 to 3.34 eV as the annealing temperature increases. The current-to-voltage characteristics show that the conductivity decreases as the annealing temperature varies from 400to 700 °C. The output measurements indicated an improvement in electrical properties with annealing temperature. Springer Verlag 2016 E-Article PeerReviewed text en http://ir.unimas.my/id/eprint/12174/1/Stable-electrical%2C-morphological-and-optical-properties-of-titanium-dioxide-nanoparticles-affected-by-annealing-temperature_2016_Microsystem-Technologies%20%28abstrak%29.pdf Nadzirah, Sh. and Uda, Hashim and Kashif, M. and Shahidah Arina, Shamsuddin (2016) Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature. Microsystem Technologies. pp. 1-8. ISSN 9467076 https://www.scopus.com/inward/record.url?eid=2-s2.0-84961675245&partnerID=40&md5=7f9c7a345eeb1c7febbfa846cd647914 DOI: 10.1007/s00542-016-2913-4
institution	Universiti Malaysia Sarawak
building	Centre for Academic Information Services (CAIS)
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaysia Sarawak
content_source	UNIMAS Institutional Repository
url_provider	http://ir.unimas.my/
language	English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Nadzirah, Sh. Uda, Hashim Kashif, M. Shahidah Arina, Shamsuddin Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature
description	Different TiO2 synthesization processes give different properties. Most of researches in material studies only focus on the morphological and optical properties of TiO2 while lacking in the effort of achieving stable electrical properties of the material. In engineering, stable electrical properties are vital in order to develop a device. Moreover, current technology needs more nanostructure application to enhance the performance of devices. In this paper, TiO2 nanoparticle was synthesized by sol–gel method using 1:0.1:9 ratios of titanium isopropoxide:acetic acid:ethanol, respectively. This synthesized TiO2 was able to respond in extremely small and consistent electrical reading (nanoampere). This metal oxide is good enough to be used as a material to develop ultra-high sensitive biosensor. Annealing process on the TiO2 film was able to improve its’ electrical conductivity. The three layers TiO2 coating were annealed at 400, 500, 600 and 700 °C and the surface morphologies, structural also electro-optical properties were studied using FESEM, XRD, UV–Vis and Keithley 6485 picoammeter. The XRD pattern shows the presence of stable anatase and rutile structures even at low temperature, whereas FESEM shows that annealingtemperature affects the particle size. The optical band gap of TiO2 thin films decreases from 3.74 to 3.34 eV as the annealing temperature increases. The current-to-voltage characteristics show that the conductivity decreases as the annealing temperature varies from 400to 700 °C. The output measurements indicated an improvement in electrical properties with annealing temperature.
format	E-Article
author	Nadzirah, Sh. Uda, Hashim Kashif, M. Shahidah Arina, Shamsuddin
author_facet	Nadzirah, Sh. Uda, Hashim Kashif, M. Shahidah Arina, Shamsuddin
author_sort	Nadzirah, Sh.
title	Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature
title_short	Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature
title_full	Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature
title_fullStr	Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature
title_full_unstemmed	Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature
title_sort	stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature
publisher	Springer Verlag
publishDate	2016
url	http://ir.unimas.my/id/eprint/12174/1/Stable-electrical%2C-morphological-and-optical-properties-of-titanium-dioxide-nanoparticles-affected-by-annealing-temperature_2016_Microsystem-Technologies%20%28abstrak%29.pdf http://ir.unimas.my/id/eprint/12174/ https://www.scopus.com/inward/record.url?eid=2-s2.0-84961675245&partnerID=40&md5=7f9c7a345eeb1c7febbfa846cd647914
_version_	1644511358576754688
score	13.211869

Stable electrical, morphological and optical properties of titanium dioxide nanoparticles affected by annealing temperature

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