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A new silver cluster that emits bright-blue phosphorescence

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Abstract

A new hexanuclear silver(I) cluster (NC-Ag6) that emits bright-blue phosphoresce with a lifetime of 22.4 μs and a quantum yield (QY) of 22% under ambient conditions was synthesized. A film combining NC-Ag6 with yellow cerium(III)-doped yttrium aluminum garnet phosphors (YAG:Ce3+) displays “chameleon”-like emission (including white), which is related to excitation-dependent Förster resonance energy transfer (FRET) between dual phosphors. The mechanoresponsive luminescence colour of this silver cluster ranges from blue to green virtually without loss of QY.

Graphical abstract: A new silver cluster that emits bright-blue phosphorescence

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Article information


Submitted
05 Dec 2019
Accepted
14 Jan 2020
First published
15 Jan 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

A new silver cluster that emits bright-blue phosphorescence

J. Yang, M. Zhang, Z. Han, H. Li, L. Li, X. Dong, S. Zang and T. C. W. Mak, Chem. Commun., 2020, Advance Article , DOI: 10.1039/C9CC09439C

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