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Strategies for tailoring clusteroluminescence: from aggregation control to molecular engineering
Riliga Wu1, Tongyue Wu1, Weijiang Guan1
1State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China. wjguan@mail.buct.edu.cn.
Chemical Communications (Cambridge, England)
|December 5, 2025
Summary
Clusteroluminescence (CL) uses through-space interaction for light emission. This review details strategies for designing clusteroluminogens (CLgens) with tunable and efficient light emission properties.
Area of Science:
- Materials Science
- Photophysics
- Organic Chemistry
Background:
- Clusteroluminescence (CL) involves light emission via through-space interaction (TSI) in non-conventional systems.
- CL exhibits unique photophysical properties distinct from traditional luminophores.
Purpose of the Study:
- To review dual-level strategies for tailoring CL.
- To provide a framework for the rational design of clusteroluminogens (CLgens).
Main Methods:
- Aggregation regulation strategies: crystalline/amorphous packing, spatial confinement, microenvironment design.
- Molecular engineering approaches: heteroatom incorporation, substituent tuning, conformational control.
Main Results:
- Controlling aggregation modulates cluster formation and TSI efficiency.
- Molecular modifications precisely tune electronic structure and emission pathways.
- Interplay between aggregation and molecular design enables tunable, efficient, and multifunctional CL.
Conclusions:
- A systematic framework guides the rational design of CLgens.
- Advances in CL pave the way for next-generation luminescent materials.
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