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Int. J. Mol. Sci. 2019, 20(8), 1891; https://doi.org/10.3390/ijms20081891

Self-Assembly of Metal Nanoclusters for Aggregation-Induced Emission

1
Beijing Advanced Innovation Center of Materials Genome Engineering, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
2
Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, China
3
The State Key Laboratory for Refractories and Metallurgy, Institute of Advanced Materials and Nanotechnology, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
*
Authors to whom correspondence should be addressed.
Received: 20 February 2019 / Revised: 1 April 2019 / Accepted: 3 April 2019 / Published: 17 April 2019
(This article belongs to the Special Issue Nano-Materials and Methods)
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PDF [3836 KB, uploaded 17 April 2019]
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Abstract

Aggregation-induced emission (AIE) is an intriguing strategy to enhance the luminescence of metal nanoclusters (NCs). However, the morphologies of aggregated NCs are often irregular and inhomogeneous, leading to instability and poor color purity of the aggregations, which greatly limit their further potential in optical applications. Inspired by self-assembly techniques, manipulating metal NCs into well-defined architectures has achieved success. The self-assembled metal NCs often exhibit enhancing emission stability and intensity compared to the individually or randomly aggregated ones. Meanwhile, the emission color of metal NCs becomes tunable. In this review, we summarize the synthetic strategies involved in self-assembly of metal NCs for the first time. For each synthetic strategy, we describe the self-assembly mechanisms involved and the dependence of optical properties on the self-assembly. Finally, we outline the current challenges to and perspectives on the development of this area. View Full-Text
Keywords: aggregation-induced emission (AIE); metal nanoclusters (NCs); gold nanoclusters; self-assembly of metal nanoclusters aggregation-induced emission (AIE); metal nanoclusters (NCs); gold nanoclusters; self-assembly of metal nanoclusters
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Wang, J.; Lin, X.; Shu, T.; Su, L.; Liang, F.; Zhang, X. Self-Assembly of Metal Nanoclusters for Aggregation-Induced Emission. Int. J. Mol. Sci. 2019, 20, 1891.

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