SYNTHESIS OF MESOPOROUS TITANIA BY HOMOGENEOUS HYDROLYSIS OF TITANIA OXO-SULFATE IN THE PRESENCE OF CATIONIC AND ANIONIC SURFACTANTS

被引：0

作者：

Stengl, Vaclav ^{[1
]}

Houskova, Vendula ^{[1
]}

Murafa, Nataliya ^{[1
]}

Bakardjieva, Snejana ^{[1
]}

机构：

[1] AS CR, Inst Organ Chem, Vvi, Rez 25068, Czech Republic

来源：

CERAMICS-SILIKATY | 2010年 / 54卷 / 04期

关键词：

Surfactant; Titania; Mesoporous; Photocatalyst; HIGH PHOTOCATALYTIC ACTIVITY; HYDROTHERMAL SYNTHESIS; THERMAL-STABILITY; NANOCRYSTALLINE; TIO2; PARTICLES; ANATASE; WATER; OXIDE; DECOMPOSITION;

D O I：

暂无

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Mesoporous titania was prepared by homogeneous hydrolysis of titanium oxo-sulphate with urea in aqueous solutions in the presence of the cationic and anionic surfactants, cetyl trimethyl ammonium bromide (CTAB) and sodium dodecyl benzene sulfonate (SDBS), respectively Following annealing at 600 degrees C the structure of prepared samples was determined with X-ray powder diffraction (XRD) and selected area electron diffraction (SAED). The morphology and microstructure characteristics were also obtained by scanning electron microscopy (SEM) and high resolution electron microscopy (HRTEM). Surface area (BET) and porosity were also determined. The prepared mesoporous titania samples showed considerably higher photocatalytic activity compared to reference samples prepared without surfactants and with P25 Degussa.

引用

页码：368 / 378

页数：11

共 39 条

[1] Photoactivity of anatase-rutile TiO2 nanocrystalline mixtures obtained by heat treatment of homogeneously precipitated anatase [J].

Bakardjieva, S ;

Subrt, J ;

Stengl, V ;

Dianez, MJ ;

Sayagues, MJ .

APPLIED CATALYSIS B-ENVIRONMENTAL, 2005, 58 (3-4) :193-202

[2] THE DETERMINATION OF PORE VOLUME AND AREA DISTRIBUTIONS IN POROUS SUBSTANCES .1. COMPUTATIONS FROM NITROGEN ISOTHERMS [J].

BARRETT, EP ;

JOYNER, LG ;

HALENDA, PP .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1951, 73 (01) :373-380

[3] Adsorption of gases in multimolecular layers [J].

Brunauer, S ;

Emmett, PH ;

Teller, E .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1938, 60 :309-319

[4] XPS study of the surfactant film adsorbed onto growing titania nanoparticles [J].

Cappelletti, Giuseppe ;

Bianchi, Claudia L. ;

Ardizzone, Silvia .

APPLIED SURFACE SCIENCE, 2006, 253 (02) :519-524

[5] Synthesis and characterisation of macro-mesoporous titania [J].

Carbajo, Maria C. ;

Enciso, E. ;

Torralvo, Maria J. .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2007, 293 (1-3) :72-79

[6] Surfactant-directed synthesis of mesoporous titania with nanocrystalline anatase walls and remarkable thermal stability [J].

Cassiers, K ;

Linssen, T ;

Mathieu, M ;

Bai, YQ ;

Zhu, HY ;

Cool, P ;

Vansant, EF .

JOURNAL OF PHYSICAL CHEMISTRY B, 2004, 108 (12) :3713-3721

[7] Direct modification with tungstophosphoric acid of mesoporous titania synthesized by urea-templated sol-gel reactions [J].

Fuchs, Vanesa M. ;

Soto, Edgardo L. ;

Blanco, Mirta N. ;

Pizzio, Luis R. .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2008, 327 (02) :403-411

[8] The sonochemical synthesis and characterization of mesoporous chiral titania using a chiral inorganic precursor [J].

Gabashvili, Alexandra ;

Major, Dan T. ;

Perkas, Nina ;

Gedanken, Aharon .

ULTRASONICS SONOCHEMISTRY, 2010, 17 (03) :605-609

[9] Synthesis of mesoporous TiO2 nanorods via a mild template-free sonochemical route and their photocatalytic performances [J].

Guo, Sen ;

Wu, Zhongbiao ;

Wang, Haiqiang ;

Dong, Fan .

CATALYSIS COMMUNICATIONS, 2009, 10 (13) :1766-1770

[10]

*ICDD, JCPDS PDF 2 REL 2001

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