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Cover Feature: Efficient Near‐Infrared Electrochemiluminescence from Au 18 Nanoclusters (Chem. Eur. J. 60/2021)
Author(s) -
Hesari Mahdi,
Ding Zhifeng
Publication year - 2021
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.202103606
Subject(s) - electrochemiluminescence , nanoclusters , infrared , computer science , nanotechnology , materials science , remote sensing , geology , physics , astronomy , chemistry , chromatography , detection limit
Near‐infrared electrochemiluminescence (ECL) of Au 18 nanoclusters revealed an extremely high quantum efficiency of 5.5 relative to that of Ru(bpy) 3 2+ , due to the exposed kernel facets, electrocatalytic loops and overlapped oxidation potentials of Au 18 and tri‐ n ‐propylamine (TPrA) as co‐reactant. ECL peak maxima at 832 and 850 nm were unambiguously identified as emissions from Au 18 0* , Au 18 1+* and Au 18 2+* by means of spooling ECL and photoluminescence spectroscopy. More information can be found in the Communication by M. Hesari and Z. Ding (DOI: 10.1002/chem.202102926).

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