Synthesis And Characterisation Of Electrospun Doped Tin(Iv) Oxide/ Polyaniline/Polyhydroxybutyrate Nanocomposite For Ethanol Gas Sensor

Semiconducting metal oxide/conducting polymer nanocomposite is a new class of material that combined the advantages of both metal oxide and polymer. Metal oxide based gas sensors tend to require high operating temperature, leading to high power consumption and short life time. In constrast, conducti...

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Main Author:	Inderan, Vicinisvarri
Format:	Thesis
Language:	English
Published:	2019
Subjects:	QD1-999 Chemistry
Online Access:	http://eprints.usm.my/49763/1/Vicinisvarri_Thesis%20cut.pdf
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id	my-usm-ep.49763
record_format	uketd_dc
spelling	my-usm-ep.497632021-08-26T12:38:11Z Synthesis And Characterisation Of Electrospun Doped Tin(Iv) Oxide/ Polyaniline/Polyhydroxybutyrate Nanocomposite For Ethanol Gas Sensor 2019-08 Inderan, Vicinisvarri QD1-999 Chemistry Semiconducting metal oxide/conducting polymer nanocomposite is a new class of material that combined the advantages of both metal oxide and polymer. Metal oxide based gas sensors tend to require high operating temperature, leading to high power consumption and short life time. In constrast, conductive polymers fit for low operating temperature usage, but they have slower response time. In order to overcome the limitations, a new electrospun nanocomposite based gas sensors were successfully developed by incorporating as-synthesised SnO2 nanorods into polyaniline (PANI) and polyhydroxybutyrate (P3HB). The as-synthesised materials were tested on ethanol (C2H5OH) gas using nitrogen (N2) as carrier gas. A facile hydrothermal method without using any organic template or surfactant was employed to synthesise undoped and doped SnO2 nanorods. The effects of various parameters namely pH, precursor concentration and duration of heat treatment were investigated. For the doped SnO2 nanorods, the effects of different types of metal dopant (Fe, Co, Ni and Pd) and the concentrations of each dopant (0.5, 1.0, 3.0 and 5.0 mol%) were also studied. The optimum condition for the synthesis of SnO2 nanorods powder was 180 ºC, pH 13, with a precursor concentration of 0.12 M and the duration of heat treatment of 24 hrs. 2019-08 Thesis http://eprints.usm.my/49763/ http://eprints.usm.my/49763/1/Vicinisvarri_Thesis%20cut.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Sains Kimia
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	QD1-999 Chemistry
spellingShingle	QD1-999 Chemistry Inderan, Vicinisvarri Synthesis And Characterisation Of Electrospun Doped Tin(Iv) Oxide/ Polyaniline/Polyhydroxybutyrate Nanocomposite For Ethanol Gas Sensor
description	Semiconducting metal oxide/conducting polymer nanocomposite is a new class of material that combined the advantages of both metal oxide and polymer. Metal oxide based gas sensors tend to require high operating temperature, leading to high power consumption and short life time. In constrast, conductive polymers fit for low operating temperature usage, but they have slower response time. In order to overcome the limitations, a new electrospun nanocomposite based gas sensors were successfully developed by incorporating as-synthesised SnO2 nanorods into polyaniline (PANI) and polyhydroxybutyrate (P3HB). The as-synthesised materials were tested on ethanol (C2H5OH) gas using nitrogen (N2) as carrier gas. A facile hydrothermal method without using any organic template or surfactant was employed to synthesise undoped and doped SnO2 nanorods. The effects of various parameters namely pH, precursor concentration and duration of heat treatment were investigated. For the doped SnO2 nanorods, the effects of different types of metal dopant (Fe, Co, Ni and Pd) and the concentrations of each dopant (0.5, 1.0, 3.0 and 5.0 mol%) were also studied. The optimum condition for the synthesis of SnO2 nanorods powder was 180 ºC, pH 13, with a precursor concentration of 0.12 M and the duration of heat treatment of 24 hrs.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Inderan, Vicinisvarri
author_facet	Inderan, Vicinisvarri
author_sort	Inderan, Vicinisvarri
title	Synthesis And Characterisation Of Electrospun Doped Tin(Iv) Oxide/ Polyaniline/Polyhydroxybutyrate Nanocomposite For Ethanol Gas Sensor
title_short	Synthesis And Characterisation Of Electrospun Doped Tin(Iv) Oxide/ Polyaniline/Polyhydroxybutyrate Nanocomposite For Ethanol Gas Sensor
title_full	Synthesis And Characterisation Of Electrospun Doped Tin(Iv) Oxide/ Polyaniline/Polyhydroxybutyrate Nanocomposite For Ethanol Gas Sensor
title_fullStr	Synthesis And Characterisation Of Electrospun Doped Tin(Iv) Oxide/ Polyaniline/Polyhydroxybutyrate Nanocomposite For Ethanol Gas Sensor
title_full_unstemmed	Synthesis And Characterisation Of Electrospun Doped Tin(Iv) Oxide/ Polyaniline/Polyhydroxybutyrate Nanocomposite For Ethanol Gas Sensor
title_sort	synthesis and characterisation of electrospun doped tin(iv) oxide/ polyaniline/polyhydroxybutyrate nanocomposite for ethanol gas sensor
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Sains Kimia
publishDate	2019
url	http://eprints.usm.my/49763/1/Vicinisvarri_Thesis%20cut.pdf
_version_	1747822015558975488

Synthesis And Characterisation Of Electrospun Doped Tin(Iv) Oxide/ Polyaniline/Polyhydroxybutyrate Nanocomposite For Ethanol Gas Sensor

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