Clusteroluminescence: A gauge of molecular interaction |
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| Affiliation: | 1. School of Energy and Power Engineering, North University of China, Taiyuan 030051, China;2. MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China;3. School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, Shanghai 200240, China;4. School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen 518172, China;5. State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China |
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| Abstract: | Clusteroluminescence (CL) materials, as an emerging class of luminescent materials with unique photophysical properties, have received increasing attention owing to their great theoretical significance and potential for biological applications. Although much progress has been made in the design, synthesis and application of CL materials, there is still a big challenge in the emission mechanism. So far, through-space interaction has been proposed as the preliminary mechanism of the corresponding clusterization-triggered emission (CTE) effect, but a systematic theory is still needed. This review summarizes the current mechanistic understanding of CL materials including organic/inorganic small molecules, and polymers with/without isolated aromatic structures. In addition, some strategies to achieve high quantum yield, adjustable emission color, and persistent room temperature phosphorescence in CL materials are also summarized. At last, a perspective of the mechanism and application of CL materials are demonstrated, which inspire the researchers working on the development of new kinds of functional materials. |
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