Research summary
Aggregation-induced emission (AIE) was identified in 1-methyl-1,2,3,4,5-pentaphenylsilole in a 2001 Chemical Communications report showing that aggregation greatly boosts emission efficiency, converting a weak luminophore into a strong emitter [1] and launching a body of work centered on the AIE phenomenon. A 2009 Chemical Communications feature article articulates the central mechanism, restriction of intramolecular rotation, as the main cause of the AIE effect, with development of fluorescent and phosphorescent AIE systems covering the entire visible spectrum and quantum yields up to unity, plus applications as fluorescence sensors and bioprobes [4]. A 2011 Chemical Society Reviews article summarizes AIE structure-property relationships, the photophysical mechanisms underlying AIE, structural design strategies for new AIE luminogens (AIEgens), and optoelectronic and biological applications [3]. A 2014 Advanced Materials review unifies the restriction of intramolecular motions (RIM, generalizing rotation to motion) as the AIE cause and derives RIM-based molecular engineering strategies for designing new AIEgens [5]. A 2015 Chemical Reviews article frames AIE as a photophysical phenomenon associated with chromophore aggregation, with AIEgens defined as non-emissive luminogens induced to emit by aggregate formation [2]. A 2020 Angewandte Chemie review extends the discussion to aggregate-level properties, addressing the 20-year arc of AIE research and emphasizing properties absent at the single-molecule level [9]. A 2013 Accounts of Chemical Research paper covers AIE-fluorogen-based bioprobes, addressing the aggregation-caused quenching (ACQ) limitation of conventional fluorophores at high concentrations by exploiting AIE behavior for bright on-target signaling [6]. A 2014 Chemical Society Reviews paper covers AIE-active macromolecules, their synthesis, topological structures, and functionalities including fluorescence sensing, biological applications, and optoelectronic devices [8]. A 2018 Chemical Society Reviews paper covers excited-state intramolecular proton-transfer (ESIPT)-based fluorescence sensors and imaging agents, characterized by large Stokes shifts, environmental sensitivity, and ratiometric sensing capability [7].
Recent publications
- Aggregation-induced emission of 1-methyl-1,2,3,4,5-pentaphenylsiloleDOI
- Aggregation-Induced Emission: Together We Shine, United We Soar!DOI
- Aggregation-induced emissionDOI
- Aggregation-induced emission: phenomenon, mechanism and applicationsDOI
- Aggregation鈥怚nduced Emission: The Whole Is More Brilliant than the PartsDOI
- Bioprobes Based on AIE FluorogensDOI
- Room-temperature phosphorescence from organic aggregatesDOI
- Excited-state intramolecular proton-transfer (ESIPT) based fluorescence sensors and imaging agentsDOI
- AIE macromolecules: syntheses, structures and functionalitiesDOI
- Aggregation鈥怚nduced Emission: New Vistas at the Aggregate LevelDOI
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External profiles
- ORCID: https://orcid.org/0000-0002-0293-964X
- OpenAlex: openalex.org
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