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Issue 20, 2020
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Self-assembly of thiolate-protected silver coordination polymers regulated by POMs

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Abstract

Two polyoxometalate (POM)-based thiolate-protected silver coordination polymers were obtained using different Lindquist-type POM precursors under the same conditions. [Ag10(StBu)6(CH3CN)8(Mo6O19)2·2CH3CN]n (abbreviated as Ag10-Mo6) was observed to feature chain-like structures containing Ag10 clusters linked by [Mo6O19]2− anions through Ag–O bonds and to exhibit unprecedented green photoluminescence at room temperature. Interestingly, [Ag18(StBu)12(CH3CN)5(Mo6O19)2·Mo6O19·2CH3CN]n (abbreviated as Ag18-Mo6) was found to contain 20-membered cycle-Ag10S10 each with a diameter of approximately 11.382 Å and constructed from alternating silver and sulfur atoms and interconnected into an elegant Ag–S sheet by interstitial the Ag3StBu and AgCH3CN motifs, and to also contain [Mo6O19]2− counter ions filling in the spaces made by the cycle-Ag10S10 and strengthening the structure by forming Ag–O bonds. Such a stacking structure for thiolate-protected silver compounds has not been previously reported.

Graphical abstract: Self-assembly of thiolate-protected silver coordination polymers regulated by POMs

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Supplementary files

Article information


Submitted
13 Jan 2020
Accepted
29 Apr 2020
First published
30 Apr 2020

Nanoscale, 2020,12, 10944-10948
Article type
Communication

Self-assembly of thiolate-protected silver coordination polymers regulated by POMs

Y. Li, Z. Wang, B. Ma, H. Xu, S. Zang and T. C. W. Mak, Nanoscale, 2020, 12, 10944
DOI: 10.1039/D0NR00342E

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