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Issue 21, 2013
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Low temperature crystallisation of mesoporous TiO2

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Abstract

Conducting mesoporous TiO2 is rapidly gaining importance for green energy applications. To optimise performance, its porosity and crystallinity must be carefully fine-tuned. To this end, we have performed a detailed study on the temperature dependence of TiO2 crystallisation in mesoporous films. Crystal nucleation and growth of initially amorphous TiO2 derived by hydrolytic sol–gel chemistry is compared to the evolution of crystallinity from nanocrystalline building blocks obtained from non-hydrolytic sol–gel chemistry, and mixtures thereof. Our study addresses the question whether the critical temperature for crystal growth can be lowered by the addition of crystalline nucleation seeds.

Graphical abstract: Low temperature crystallisation of mesoporous TiO2

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Publication details

The article was received on 11 Jun 2013, accepted on 08 Aug 2013 and first published on 12 Aug 2013


Article type: Paper
DOI: 10.1039/C3NR03009A
Citation: Nanoscale, 2013,5, 10518-10524
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    Low temperature crystallisation of mesoporous TiO2

    P. Kohn, S. Pathak, M. Stefik, C. Ducati, U. Wiesner, U. Steiner and S. Guldin, Nanoscale, 2013, 5, 10518
    DOI: 10.1039/C3NR03009A

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