Issue 3, 2017
From the journal:

Dalton Transactions

[Ti12In6O18(OOCC6H5)30]: a multifunctional hetero-polyoxotitanate nanocluster with high stability and visible photoactivity†

Shengjun Liu,‡a   Wei Hu, ORCID logo ‡bc   Jayanta Kr. Nath,a   Jing Tong,a   Xudong Hou,a   Wenlong Liu,d   Jinlong Yang*c  and  Bo Liu*a  

* Corresponding authors

a Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
E-mail: liuchem@ustc.edu.cn

b Computational Research Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

c Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
E-mail: jlyang@ustc.edu.cn

d College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China

Abstract

We present a novel strategy to improve the stability and optical absorption of polyoxotitanates (POTs) via concurrently fully carboxylate-coordinating and hetero-metal-doping, and illustrate the strategy by an indium doped hetero-polyoxotitanate (h-POT) of a [Ti12In6O18(OOCC6H5)30] (POTi12In6) nanocluster, which possesses ultrahigh stability in both acid and base aqueous solutions. The nanocluster structurally features a core–shell double wheel structure and a polar cavity. Both experiments and theoretical calculations confirm the semiconductive properties of the nanocluster. Under visible irradiation the POTi12In6 nanocluster can produce pronounced photocurrent, and reactive oxygen species for pollutant degradation. Without using any cocatalyst, POTi12In6 exhibits important visible-light-driven photocatalytic activity for H2 evolution in an aqueous system. This work could render a polyoxotitanate as a new type of visible-photoactive photocatalyst.

Graphical abstract: [Ti12In6O18(OOCC6H5)30]: a multifunctional hetero-polyoxotitanate nanocluster with high stability and visible photoactivity

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Article information

DOI
https://doi.org/10.1039/C6DT04261A
Article type
Paper
Submitted
08 Nov 2016
Accepted
17 Nov 2016
First published
28 Nov 2016

Dalton Trans., 2017,46, 678-684

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[Ti12In6O18(OOCC6H5)30]: a multifunctional hetero-polyoxotitanate nanocluster with high stability and visible photoactivity

S. Liu, W. Hu, J. Kr. Nath, J. Tong, X. Hou, W. Liu, J. Yang and B. Liu, Dalton Trans., 2017, 46, 678 DOI: 10.1039/C6DT04261A

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