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Article: Synthesis of titania-silica mixed oxide mesoporous materials, characterization and photocatalytic properties
Title | Synthesis of titania-silica mixed oxide mesoporous materials, characterization and photocatalytic properties |
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Authors | |
Keywords | Mesostructure Methyl orange Photocatalysts Titania-silica mixed oxides |
Issue Date | 2005 |
Publisher | Elsevier 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? |
Abstract | Titania-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 Identifier | http://hdl.handle.net/10722/69071 |
ISSN | 2023 Impact Factor: 4.7 2023 SCImago Journal Rankings: 0.967 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Zhang, X | en_HK |
dc.contributor.author | Zhang, F | en_HK |
dc.contributor.author | Chan, KY | en_HK |
dc.date.accessioned | 2010-09-06T06:10:17Z | - |
dc.date.available | 2010-09-06T06:10:17Z | - |
dc.date.issued | 2005 | en_HK |
dc.identifier.citation | Applied Catalysis A: General, 2005, v. 284 n. 1-2, p. 193-198 | en_HK |
dc.identifier.issn | 0926-860X | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/69071 | - |
dc.description.abstract | Titania-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.language | eng | en_HK |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/apcata | en_HK |
dc.relation.ispartof | Applied Catalysis A: General | en_HK |
dc.rights | Applied Catalysis A: General . Copyright © Elsevier BV. | en_HK |
dc.subject | Mesostructure | en_HK |
dc.subject | Methyl orange | en_HK |
dc.subject | Photocatalysts | en_HK |
dc.subject | Titania-silica mixed oxides | en_HK |
dc.title | Synthesis of titania-silica mixed oxide mesoporous materials, characterization and photocatalytic properties | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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+properties | en_HK |
dc.identifier.email | Chan, KY:hrsccky@hku.hk | en_HK |
dc.identifier.authority | Chan, KY=rp00662 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.apcata.2005.01.037 | en_HK |
dc.identifier.scopus | eid_2-s2.0-15744374267 | en_HK |
dc.identifier.hkuros | 116499 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-15744374267&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 284 | en_HK |
dc.identifier.issue | 1-2 | en_HK |
dc.identifier.spage | 193 | en_HK |
dc.identifier.epage | 198 | en_HK |
dc.identifier.isi | WOS:000228512500022 | - |
dc.publisher.place | Netherlands | en_HK |
dc.identifier.scopusauthorid | Zhang, X=7410265236 | en_HK |
dc.identifier.scopusauthorid | Zhang, F=25229153600 | en_HK |
dc.identifier.scopusauthorid | Chan, KY=7406034142 | en_HK |
dc.identifier.issnl | 0926-860X | - |