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Issue 35, 2012
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Synthesis of monodisperse mesoporous TiO2 spheres with tunable sizes between 0.6 and 3.1 μm and effects of reaction temperature, Ti source purity, and type of alkylamine on size and monodispersity

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Abstract

We report a novel method for synthesizing monodisperse mesoporous TiO2 spheres (sizes = 0.6–3.1 μm) by hydrolysis of titanium isopropoxide (TIP) in a mixture of C8–C16n-alkylamine, water, and ethanol. The size increases with decreasing temperature, TIP concentration, and water concentration, and upon purifying TIP. n-Dodecylamine gives the highest monodispersity.

Graphical abstract: Synthesis of monodisperse mesoporous TiO2 spheres with tunable sizes between 0.6 and 3.1 μm and effects of reaction temperature, Ti source purity, and type of alkylamine on size and monodispersity

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Publication details

The article was received on 17 Jan 2012, accepted on 06 Mar 2012 and first published on 06 Mar 2012


Article type: Communication
DOI: 10.1039/C2CC30391D
Citation: Chem. Commun., 2012,48, 4250-4252
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    Synthesis of monodisperse mesoporous TiO2 spheres with tunable sizes between 0.6 and 3.1 μm and effects of reaction temperature, Ti source purity, and type of alkylamine on size and monodispersity

    M. P. Hong, J. Y. Kim, K. Vemula, H. S. Kim and K. B. Yoon, Chem. Commun., 2012, 48, 4250
    DOI: 10.1039/C2CC30391D

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