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Issue 3, 2017
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Synthetic investigation, structural analysis and photocatalytic study of a carboxylate–phosphonate bridged Ti18-oxo cluster

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Abstract

By the combination of carboxylate and phosphonate ligands, we herein report a nanosized H2[Ti183-O)142-O)6(O3P-Phen)2(PA)16(OPri)14] (PTC-51) (HPA = propionic acid, O3P-Phen = phenyl phosphonate), whose structure can be observed as the linkage of independent phosphonate supporting and carboxylate bridging hexanuclear Ti(IV) clusters. We also demonstrate a concise crystalline phase diagram, which shows the important effect of phosphonate and carboxylate ligand ratio during synthetic reactions. The photocatalytic H2 evolution activities of the obtained polyoxotitanate materials have been studied, with carboxylate-Ti6 presenting the maximum H2 production rate up to 267.78 μmol g−1 h−1.

Graphical abstract: Synthetic investigation, structural analysis and photocatalytic study of a carboxylate–phosphonate bridged Ti18-oxo cluster

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Publication details

The article was received on 25 Nov 2016, accepted on 08 Dec 2016 and first published on 08 Dec 2016


Article type: Paper
DOI: 10.1039/C6DT04474C
Dalton Trans., 2017,46, 803-807

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    Synthetic investigation, structural analysis and photocatalytic study of a carboxylate–phosphonate bridged Ti18-oxo cluster

    W. Fang, L. Zhang and J. Zhang, Dalton Trans., 2017, 46, 803
    DOI: 10.1039/C6DT04474C

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