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Issue 4, 2011
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Novel nanostructured pHEMA–TiO2 hybrid materials with efficient light-induced charge separation

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Abstract

We report on a new approach to the fabrication of an electronic material: organic–inorganic pHEMA–oxo-TiO2 hybrid with efficient light-induced separation of charges. Particular attention is paid to the material nanoscale morphology. The size-selected 5.0 nm titanium oxo-alkoxy nanoparticles are prepared in a sol–gel reactor with rapid (turbulent) fluid micromixing and the ligand exchange results in a stable nanoparticulate precursor in HEMA solution, in which polymerization can be induced thermally or by photons. The obtained hybrid materials demonstrate the highest quantum yield of photoinduced charge separation of 50% and can store photoinduced electrons at a number density above 10% Ti atoms.

Graphical abstract: Novel nanostructured pHEMA–TiO2 hybrid materials with efficient light-induced charge separation

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Publication details

The article was received on 26 Nov 2010, accepted on 31 Jan 2011 and first published on 11 Mar 2011


Article type: Paper
DOI: 10.1039/C0NR00909A
Citation: Nanoscale, 2011,3, 1807-1812
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    Novel nanostructured pHEMA–TiO2 hybrid materials with efficient light-induced charge separation

    P. Gorbovyi, A. Uklein, S. Tieng, O. Brinza, M. Traore, K. Chhor, L. Museur and A. Kanaev, Nanoscale, 2011, 3, 1807
    DOI: 10.1039/C0NR00909A

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