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Article: Synthesis of titania-silica mixed oxide mesoporous materials, characterization and photocatalytic properties

TitleSynthesis of titania-silica mixed oxide mesoporous materials, characterization and photocatalytic properties
Authors
KeywordsMesostructure
Methyl orange
Photocatalysts
Titania-silica mixed oxides
Issue Date2005
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/apcata
Citation
Applied Catalysis A: General, 2005, v. 284 n. 1-2, p. 193-198 How to Cite?
AbstractTitania-silica mixed metal oxide materials with a mesostructure have been prepared by a novel method in which hydrolysis and condensation of titanium tetraisopropoxide (TTIP) and tetraethoxysilane (TEOS) were controlled by the pH change of acidic solution using cetyltrimethylammonium bromide (CTAB) as the structure-directing agent. The prepared materials were characterized by TEM, XRD, XPS, FT-IR and nitrogen sorption. The resulting materials showed a short-range ordered mesoporous structure with the nanoparticles (8 nm) of TiO2 dispersed uniformly on SiO2 supports. These TiO2 -SiO2 mesoporous materials were also found to have a higher photocatalytic activity than that of commercial pure TiO2 nanoparticles at the same titanium loading for the degradation of methyl orange. © 2005 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/69071
ISSN
2015 Impact Factor: 4.012
2015 SCImago Journal Rankings: 1.234
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, Xen_HK
dc.contributor.authorZhang, Fen_HK
dc.contributor.authorChan, KYen_HK
dc.date.accessioned2010-09-06T06:10:17Z-
dc.date.available2010-09-06T06:10:17Z-
dc.date.issued2005en_HK
dc.identifier.citationApplied Catalysis A: General, 2005, v. 284 n. 1-2, p. 193-198en_HK
dc.identifier.issn0926-860Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/69071-
dc.description.abstractTitania-silica mixed metal oxide materials with a mesostructure have been prepared by a novel method in which hydrolysis and condensation of titanium tetraisopropoxide (TTIP) and tetraethoxysilane (TEOS) were controlled by the pH change of acidic solution using cetyltrimethylammonium bromide (CTAB) as the structure-directing agent. The prepared materials were characterized by TEM, XRD, XPS, FT-IR and nitrogen sorption. The resulting materials showed a short-range ordered mesoporous structure with the nanoparticles (8 nm) of TiO2 dispersed uniformly on SiO2 supports. These TiO2 -SiO2 mesoporous materials were also found to have a higher photocatalytic activity than that of commercial pure TiO2 nanoparticles at the same titanium loading for the degradation of methyl orange. © 2005 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/apcataen_HK
dc.relation.ispartofApplied Catalysis A: Generalen_HK
dc.rightsApplied Catalysis A: General . Copyright © Elsevier BV.en_HK
dc.subjectMesostructureen_HK
dc.subjectMethyl orangeen_HK
dc.subjectPhotocatalystsen_HK
dc.subjectTitania-silica mixed oxidesen_HK
dc.titleSynthesis of titania-silica mixed oxide mesoporous materials, characterization and photocatalytic propertiesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0926-860X&volume=284&spage=193&epage=198&date=2005&atitle=Synthesis+of+titania-silica+mixed+oxide+mesoporous+materials,+characterization+and+photocatalytic+propertiesen_HK
dc.identifier.emailChan, KY:hrsccky@hku.hken_HK
dc.identifier.authorityChan, KY=rp00662en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.apcata.2005.01.037en_HK
dc.identifier.scopuseid_2-s2.0-15744374267en_HK
dc.identifier.hkuros116499en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-15744374267&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume284en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage193en_HK
dc.identifier.epage198en_HK
dc.identifier.isiWOS:000228512500022-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridZhang, X=7410265236en_HK
dc.identifier.scopusauthoridZhang, F=25229153600en_HK
dc.identifier.scopusauthoridChan, KY=7406034142en_HK

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