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Issue 46, 2015
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Two Ti13-oxo-clusters showing non-compact structures, film electrode preparation and photocurrent properties

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Abstract

Two benzene dicarboxylate (BDC) and salicylate (SAL) substituted titanium-oxo-clusters, Ti13O10(o-BDC)4(SAL)4(OiPr)16 (1) and Ti13O10(o-BDC)4(SAL-Cl)4(OiPr)16 (2), are prepared by one step in situ solvothermal synthesis. Single crystal analysis shows that the two Ti13 clusters take a paddle arrangement with an S4 symmetry. The non-compact (non-sphere) structure is stabilized by the coordination of BDC and SAL. Film photoelectrodes are prepared by the wet coating process using the solution of the clusters and the photocurrent response properties of the electrodes are studied. It is found that the photocurrent density and photoresponsiveness of the electrodes are related to the number of coating layers and the annealing temperature. Using ligand coordinated titanium-oxo-clusters as the molecular precursors of TiO2 anatase films is found to be effective due to their high solubility, appropriate stability in solution and hence the easy controllability.

Graphical abstract: Two Ti13-oxo-clusters showing non-compact structures, film electrode preparation and photocurrent properties

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The article was received on 15 Aug 2015, accepted on 13 Oct 2015 and first published on 16 Oct 2015


Article type: Paper
DOI: 10.1039/C5DT03153B
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Dalton Trans., 2015,44, 19829-19835

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    Two Ti13-oxo-clusters showing non-compact structures, film electrode preparation and photocurrent properties

    J. Hou, W. Luo, Y. Wu, H. Su, G. Zhang, Q. Zhu and J. Dai, Dalton Trans., 2015, 44, 19829
    DOI: 10.1039/C5DT03153B

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