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Mesoporous SiO 2 , Al 2 O 3 , TiO 2 , Nb 2 O 5 , and Ta 2 O 5 were synthesized through a soft-templating approach by a self-assembled framework of Pluronic P123 and utilized for the preparation of 3-dimensional catalysts as supports. Colloidal Pt nanoparticles with an average diameter of 1.9nm were incorporated into the mesoporous oxides...
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