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Assembly of Thiacalix[4]arene-Supported High-nuclearity Cd24 Cluster with Enhanced Photocatalytic Activity

Abstract

A high-nuclearity nanoscale Cd24 cluster has been hydrothermally synthesized by assembly of Cd4-TC4A (H4TC4A = p-tert-butylthiacalix[4]arene) second building units (SBUs) and in-situ generated peroxy(mono)phosphate PO53- groups and peroxyphenoxide groups of TC4A and structurally determined by single crystal X-ray diffractions. Photocatalytic studies revealed that the highest nuclearity Cd,S-co-rich Cd24 cluster exhibit enhanced photocatalytic water splitting activities comparing to the sandwich Cd4(TC4A)2 (Cd4) cluster under same conditions in absence of co-catalyst. The nano-structure of Cd24 incorporating both peroxyphosphate and peroxyphenoxide groups that increased the metal coordination numbers to giving more labile Cd-O/S bonds is believed to be the key feature that enables the significant photocatalytic water splitting activities.

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Publication details

The article was received on 27 Apr 2018, accepted on 10 Jul 2018 and first published on 13 Jul 2018


Article type: Paper
DOI: 10.1039/C8NR03474E
Citation: Nanoscale, 2018, Accepted Manuscript
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    Assembly of Thiacalix[4]arene-Supported High-nuclearity Cd24 Cluster with Enhanced Photocatalytic Activity

    C. Shi, M. Zhang, Y. Bi, X. Hang, L. Huang, K. Zhou, Z. Xu and Z. Zheng, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR03474E

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