Issue 30, 2018

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. The cluster was structurally characterized by single crystal X-ray diffractions. Photocatalytic studies revealed that the highest nuclearity Cd,S-co-rich Cd24 cluster exhibits enhanced photocatalytic water splitting activities compared to the sandwich Cd4(TC4A)2 (Cd4) cluster under the same conditions in the absence of a co-catalyst. The nanostructure of Cd24 incorporated both peroxyphosphate and peroxyphenoxide groups, which increased the metal coordination numbers to give more labile Cd–O/S bonds and is believed to be the key feature that enables the significant photocatalytic water splitting activities.

Graphical abstract: Assembly of thiacalix[4]arene-supported high-nuclearity Cd24 cluster with enhanced photocatalytic activity

Supplementary files

Article information

Article type
Paper
Submitted
27 Eph 2018
Accepted
10 Jul 2018
First published
13 Jul 2018

Nanoscale, 2018,10, 14448-14454

Assembly of thiacalix[4]arene-supported high-nuclearity Cd24 cluster with enhanced photocatalytic activity

C. Shi, M. Zhang, X. Hang, Y. Bi, L. Huang, K. Zhou, Z. Xu and Z. Zheng, Nanoscale, 2018, 10, 14448 DOI: 10.1039/C8NR03474E

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