Advanced Materials· 2014Q1· Review
Aggregation‐Induced Emission: The Whole Is More Brilliant than the Parts
- 3,340citations
- Q1SCImago
- 2014year
Short summary
AIEgens are non-emissive as single molecules but become highly luminescent when aggregated, a phenomenon unified by the Restriction of Intramolecular Motions (RIM) mechanism.
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Key points
- Aggregation-induced emission (AIE) materials are non-emissive in solution but highly luminescent in aggregates.
- The Restriction of Intramolecular Motions (RIM) is identified as the primary mechanism behind AIE.
- RIM enables molecular engineering strategies for designing novel AIE luminogens (AIEgens).
- Newly developed AIEgens have high-tech applications in optoelectronics, chemical sensors, and biomedical probes.
AI-generated from the title and abstract; the full text is not read.
Abstract
"United we stand, divided we fall."--Aesop. Aggregation-induced emission (AIE) refers to a photophysical phenomenon shown by a group of luminogenic materials that are non-emissive when they are dissolved in good solvents as molecules but become highly luminescent when they are clustered in poor solvents or solid state as aggregates. In this Review we summarize the recent progresses made in the area of AIE research. We conduct mechanistic analyses of the AIE processes, unify the restriction of intramolecular motions (RIM) as the main cause for the AIE effects, and derive RIM-based molecular engineering strategies for the design of new AIE luminogens (AIEgens). Typical examples of the newly developed AIEgens and their high-tech applications as optoelectronic materials, chemical sensors and biomedical probes are presented and discussed.
The authors' abstract, as published at the source. Advanced Materials, 2014 · DOI ↗
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Field: Materials Chemistry
Materials ChemistryMaterials Science