Self-Assembly of Metal Nanoclusters for Aggregation-Induced Emission.

Authors:
Jianxing Wang
Jianxing Wang
Research Center for Eco-Environmental Sciences
Xiangfang Lin
Xiangfang Lin
Beijing Advanced Innovation Center for Materials Genome Engineering
Tong Shu
Tong Shu
University of Science and Technology Beijing
China
Lei Su
Lei Su
General Hospital of Guangzhou Military Command
Guangzhou Shi | China
Feng Liang
Feng Liang
Second Affiliated Hospital
Hangzhou Shi | China
Xueji Zhang
Xueji Zhang
University of Science & Technology Beijing
China

Int J Mol Sci 2019 Apr 17;20(8). Epub 2019 Apr 17.

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.

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.

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Source
https://www.mdpi.com/1422-0067/20/8/1891
Publisher Site
http://dx.doi.org/10.3390/ijms20081891DOI Listing
April 2019
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