Issue 35, 2018

A giant 90-nucleus silver cluster templated by hetero-anions

Abstract

A 90-nucleus silver cluster (SD/Ag38) cocapped by tBuC6H4S and PhCOO ligands was synthesized using hetero-anion template method. Single-crystal X-ray diffraction (SCXRD) revealed a 90-nucleus metallic dumbbell-like core constructed by two large W5O19@Ag38 heads sandwiching one slender (SO4)2@Ag14 waist. Both W5O198− and SO42− templates were in situ generated and synergistically induced the formation of the largest known anion-templated silver cluster. Although SD/Ag38 is emission-silent at room temperature, increasingly brighter near-infrared (NIR) emission at ca. 742 nm was detected on cooling from 293 to 93 K.

Graphical abstract: A giant 90-nucleus silver cluster templated by hetero-anions

Supplementary files

Article information

Article type
Communication
Submitted
04 Mar 2018
Accepted
29 Mar 2018
First published
03 Apr 2018

Chem. Commun., 2018,54, 4461-4464

A giant 90-nucleus silver cluster templated by hetero-anions

J. Liu, H. Su, Z. Wang, Y. Li, Q. Zhao, X. Wang, C. Tung, D. Sun and L. Zheng, Chem. Commun., 2018, 54, 4461 DOI: 10.1039/C8CC01767K

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