Synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices

Thin films of tetrapropylammonium manganese oxide (TPA-MO) were deposited on stainless steel foils as a supporting substrate by electrophoretic deposition (EPD) and pulsed electrodeposition (PED) techniques of preformed TPA-MO nanoparticles in stable colloidal suspensions. TPA-MO/Graphite nanocompo...

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主要作者:	Tay, Yen Yuan.
格式:	Thesis
語言:	English
出版:	2007
主題:	TK Electrical engineering Electronics Nuclear engineering
在線閱讀:	http://ir.unimas.my/id/eprint/28957/2/Tay%20Yen%20Yuan.pdf
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id	my-unimas-ir.28957
record_format	uketd_dc
spelling	my-unimas-ir.289572023-05-10T07:36:15Z Synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices 2007 Tay, Yen Yuan. TK Electrical engineering. Electronics Nuclear engineering Thin films of tetrapropylammonium manganese oxide (TPA-MO) were deposited on stainless steel foils as a supporting substrate by electrophoretic deposition (EPD) and pulsed electrodeposition (PED) techniques of preformed TPA-MO nanoparticles in stable colloidal suspensions. TPA-MO/Graphite nanocomposite thin films were prepared by the same techniques from colloidal mixtures of TPA-MO and graphite at various predetermined molar ratios. A colloidal suspension of TPA-MO was prepared by the reduction of TPAMn04 with 2-butanol whereas the colloidal graphite suspension was prepared electrochemically using graphite rods obtained from spent zinc manganese oxide batteries. The rate of deposition, film thickness and uniformity were controlled by optimizing the deposition conditions such as the applied average current density (Ia), length of a current pulse (ton), time between two pulses (torr), pulse height or peak current (Ipulse) and deposition duration. Both TPA-MO and nanocomposite thin films that have been calcined at temperatures up to 400°C were characterized using the BrunauerEmmet-Teller (BET) nitrogen adsorption-desorption method, X-ray diffractometry (XRD), thermal analysis (TGAlDTG) and scanning electron microscopy (SEM). Universiti Malaysia Sarawak (UNIMAS) 2007 Thesis http://ir.unimas.my/id/eprint/28957/ http://ir.unimas.my/id/eprint/28957/2/Tay%20Yen%20Yuan.pdf text en validuser masters Universiti Malaysia Sarawak (UNIMAS) Faculty of Resource Science and Technology
institution	Universiti Malaysia Sarawak
collection	UNIMAS Institutional Repository
language	English
topic	TK Electrical engineering Electronics Nuclear engineering
spellingShingle	TK Electrical engineering Electronics Nuclear engineering Tay, Yen Yuan. Synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices
description	Thin films of tetrapropylammonium manganese oxide (TPA-MO) were deposited on stainless steel foils as a supporting substrate by electrophoretic deposition (EPD) and pulsed electrodeposition (PED) techniques of preformed TPA-MO nanoparticles in stable colloidal suspensions. TPA-MO/Graphite nanocomposite thin films were prepared by the same techniques from colloidal mixtures of TPA-MO and graphite at various predetermined molar ratios. A colloidal suspension of TPA-MO was prepared by the reduction of TPAMn04 with 2-butanol whereas the colloidal graphite suspension was prepared electrochemically using graphite rods obtained from spent zinc manganese oxide batteries. The rate of deposition, film thickness and uniformity were controlled by optimizing the deposition conditions such as the applied average current density (Ia), length of a current pulse (ton), time between two pulses (torr), pulse height or peak current (Ipulse) and deposition duration. Both TPA-MO and nanocomposite thin films that have been calcined at temperatures up to 400°C were characterized using the BrunauerEmmet-Teller (BET) nitrogen adsorption-desorption method, X-ray diffractometry (XRD), thermal analysis (TGAlDTG) and scanning electron microscopy (SEM).
format	Thesis
qualification_level	Master's degree
author	Tay, Yen Yuan.
author_facet	Tay, Yen Yuan.
author_sort	Tay, Yen Yuan.
title	Synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices
title_short	Synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices
title_full	Synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices
title_fullStr	Synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices
title_full_unstemmed	Synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices
title_sort	synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices
granting_institution	Universiti Malaysia Sarawak (UNIMAS)
granting_department	Faculty of Resource Science and Technology
publishDate	2007
url	http://ir.unimas.my/id/eprint/28957/2/Tay%20Yen%20Yuan.pdf
_version_	1783728365271777280

Synthesis and characterization of manganese oxide thin films as novel electrode material for electrochemical devices

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