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Issue 12, 2019
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Rapid formation of small mixed-valence luminescent silver clusters via cation-coupled electron-transfer in a redox-active porous ionic crystal based on dodecamolybdophosphate

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Abstract

Redox-active porous ionic crystals based on polyoxometalate (POM) were utilized to form and stabilize small mixed-valence luminescent silver clusters via cation-coupled electron-transfer (CCET) reactions. Reduction-induced ion-exchange between Cs+ and Ag+via CCET took less than 1 min to complete and consisted of two steps: electron transfer from reduced POM to Ag+ and the subsequent formation of a silver cluster, and diffusion of the silver cluster and exchange with Cs+. Notably, the simple ion-exchange took more than 24 h. The compound containing the silver cluster showed high affinity toward unsaturated hydrocarbon guests.

Graphical abstract: Rapid formation of small mixed-valence luminescent silver clusters via cation-coupled electron-transfer in a redox-active porous ionic crystal based on dodecamolybdophosphate

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Article information


Submitted
04 Jan 2019
Accepted
25 Feb 2019
First published
25 Feb 2019

Nanoscale, 2019,11, 5460-5466
Article type
Paper

Rapid formation of small mixed-valence luminescent silver clusters via cation-coupled electron-transfer in a redox-active porous ionic crystal based on dodecamolybdophosphate

S. Uchida, T. Okunaga, Y. Harada, S. Magira, Y. Noda, T. Mizuno and T. Tachikawa, Nanoscale, 2019, 11, 5460
DOI: 10.1039/C9NR00103D

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