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Synthesis of Tio2-Sio2 powder photocatalyst via sol-gel method: Effect of titanium precursor type on powder properties

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Main Authors: Radhiyah, Abd Aziz, Nor Asyikin, Iis, Sopyan, Dr.
Other Authors: sopyan@iiu.edu.my
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Sol-gel method
Synthesis
TiO2-SiO2 photocatalyst
Titanium precursor
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13690
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spelling my.unimap-136902011-09-07T20:14:08Z Synthesis of Tio2-Sio2 powder photocatalyst via sol-gel method: Effect of titanium precursor type on powder properties Radhiyah, Abd Aziz Nor Asyikin Iis, Sopyan, Dr. sopyan@iiu.edu.my Sol-gel method Synthesis TiO2-SiO2 photocatalyst Titanium precursor Link to publisher's homepage at http://www.myiem.org.my/ TiO2-SiO2 powder photocatalysts with varied SiO2 portion were prepared through sol-gel technique using two types of metal alkoxides: titanium tetraisopropoxide (TPT) and titanium diisopropoxide (PTP). Tetraethoxysilane (TEOS) as the silicon precursor was partially hydrolysed at room temperature, followed by the dropwise addition of these two metal alkoxides to produce polytitanosiloxane (PTS) solution. Hexane filtration of the PTS solution followed by drying and calcination gave TiO2-SiO2 powder. The physico-chemical characteristics of the obtained powders were investigated using TG-DTA, FTIR, XRD, and FESEM. Both types of powder particles were in nano-sized with spherical shape. The powder derived from PTP showed particle size smaller than that derived from TPT. From TGA analysis, it can be observed that the PTP derived powder start to crystallise at lower temperature compared to the TPT derived powder. However, TPT derived powder showed a stability of anatase crystal structure even after high temperature calcination. 2011-09-07T20:14:08Z 2011-09-07T20:14:08Z 2009-12 Article The Journal of the Institution of Engineers, Malaysia, vol. 70(4), 2009, pages 34-40 0126-513X http://www.myiem.org.my/content/iem_journal_2009-180.aspx http://hdl.handle.net/123456789/13690 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Sol-gel method
Synthesis
TiO2-SiO2 photocatalyst
Titanium precursor
spellingShingle Sol-gel method
Synthesis
TiO2-SiO2 photocatalyst
Titanium precursor
Radhiyah, Abd Aziz
Nor Asyikin
Iis, Sopyan, Dr.
Synthesis of Tio2-Sio2 powder photocatalyst via sol-gel method: Effect of titanium precursor type on powder properties
description Link to publisher's homepage at http://www.myiem.org.my/
author2 sopyan@iiu.edu.my
author_facet sopyan@iiu.edu.my
Radhiyah, Abd Aziz
Nor Asyikin
Iis, Sopyan, Dr.
format Article
author Radhiyah, Abd Aziz
Nor Asyikin
Iis, Sopyan, Dr.
author_sort Radhiyah, Abd Aziz
title Synthesis of Tio2-Sio2 powder photocatalyst via sol-gel method: Effect of titanium precursor type on powder properties
title_short Synthesis of Tio2-Sio2 powder photocatalyst via sol-gel method: Effect of titanium precursor type on powder properties
title_full Synthesis of Tio2-Sio2 powder photocatalyst via sol-gel method: Effect of titanium precursor type on powder properties
title_fullStr Synthesis of Tio2-Sio2 powder photocatalyst via sol-gel method: Effect of titanium precursor type on powder properties
title_full_unstemmed Synthesis of Tio2-Sio2 powder photocatalyst via sol-gel method: Effect of titanium precursor type on powder properties
title_sort synthesis of tio2-sio2 powder photocatalyst via sol-gel method: effect of titanium precursor type on powder properties
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13690
_version_ 1643790971480047616
score 13.209306

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