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Issue 3, 2019
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Synthesis of novel luminescent copper nanoclusters with substituent driven self-assembly and aggregation induced emission (AIE)

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Abstract

We demonstrate a novel strategy to synthesize highly stable luminescent mercaptoimidazole-capped copper nanoclusters (CuNCs). Herein we depict that a simple modification of substituents on the mercaptoimidazole ligand dictates the self-assembly and photophysical properties of the clusters. These CuNCs showed aggregation induced emission (AIE) with a large Stokes shift (Δλ > 200 nm), and the formation of clusters corresponding to Cu4L3 was confirmed by MALDI-TOF mass spectrometric analyses. Interestingly, these nanoclusters effectively internalize into mammalian cells while retaining their fluorescent properties and exhibit negligible toxicity.

Graphical abstract: Synthesis of novel luminescent copper nanoclusters with substituent driven self-assembly and aggregation induced emission (AIE)

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Supplementary files

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Submitted
16 Nov 2018
Accepted
30 Nov 2018
First published
03 Dec 2018

Chem. Commun., 2019,55, 322-325
Article type
Communication

Synthesis of novel luminescent copper nanoclusters with substituent driven self-assembly and aggregation induced emission (AIE)

K. T. Prakash, N. Singh and V. Venkatesh, Chem. Commun., 2019, 55, 322
DOI: 10.1039/C8CC09109A

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