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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:

2008年02期

Page:

65-68

Research Field:

化学

Publishing date:

Info

Title:

Synthesis and Characterization of Mesoporous TiO₂

Author(s):

Liu Hongxia; Yang Chun

School of Chemistry and Environmental Science,Nanjing Normal University,Nanjing 210097,China

Keywords:

m esoporous TiO ₂;  synthesis;  m ixed T i precurso r;  sing leT i precursor

PACS:

O614.411

DOI:

-

Abstract:

Them esoporous T iO₂ w ere synthesized by using P123 as a tem plate v ia se l-f assemb ly route. E ffect o f T i precursors, including m ix ed and single T i precursor, as w e ll as the ratio o f d ifferen tT i species in m ix ed precurso rs and the ac id ity in sing le precursor on the structures ofm esopo rous T iO₂ w as stud ied. The sam ples were character ized w ith N2 adsorption- desorption, TEM, XRD ana lysis techn iques. The resu lts indicate that them o la r ratio o f d ifferent T i spec ies in the m ixed T i precu rso r system do not s ignificantly affec t the structure and mo rpho logy o f the products, wh ile the acidity in the system using sing le T i precursor has a distinct effect on the structure and mo rpho logy of the products

References:

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[ 5] Feng P Y, Bu X H, P ineD J. Contro l o f pore sizes in mesoporous s ilica temp lated by liquid crysta ls in b lock copo lym er-cosurfactant-w ater system s [ J]. Langm uir, 2000, 16( 12): 5 304-5 310.
[ 6] Yang P D, Zhao D Y, M argo leseD I, e t a.l B lock copo lym er tem plating syntheses o fm esopo rousm e tal ox ides w ith la rge ordering lengths and sem icrystalline fram ew ork[ J] . Chem M a ter, 1999, 11( 10): 2 813-2 826.

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