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Visualizing Materia...
Visualizing Material Processing via Photoexcitation-Controlled Organic-Phase Aggregation-Induced Emission
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- Gu, Jian (author)
- Fudan Univ, Dept Macromol Sci, State Key Lab Mol Engn Polymers, Shanghai 200438, Peoples R China.
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- Yue, Bingbing (author)
- Univ Shanghai Sci & Technol, Coll Sci, Shanghai 200093, Peoples R China.
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- Baryshnikov, Gleb V. (author)
- KTH,Teoretisk kemi och biologi,KTH Royal Inst Technol, Div Theoret Chem & Biol, Sch Biotechnol, SE-10691 Stockholm, Sweden.
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- Li, Zhongyu (author)
- Fudan Univ, Dept Macromol Sci, State Key Lab Mol Engn Polymers, Shanghai 200438, Peoples R China.
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- Zhang, Man (author)
- Fudan Univ, Dept Macromol Sci, State Key Lab Mol Engn Polymers, Shanghai 200438, Peoples R China.
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- Shen, Shen (author)
- Fudan Univ, Dept Macromol Sci, State Key Lab Mol Engn Polymers, Shanghai 200438, Peoples R China.
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- Ågren, Hans (author)
- Uppsala universitet,Kemisk och biomolekylär fysik
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- Zhu, Liangliang (author)
- Fudan Univ, Dept Macromol Sci, State Key Lab Mol Engn Polymers, Shanghai 200438, Peoples R China.
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Fudan Univ, Dept Macromol Sci, State Key Lab Mol Engn Polymers, Shanghai 200438, Peoples R China Univ Shanghai Sci & Technol, Coll Sci, Shanghai 200093, Peoples R China. (creator_code:org_t)
- American Association for the Advancement of Science (AAAS), 2021
- 2021
- English.
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In: RESEARCH. - : American Association for the Advancement of Science (AAAS). - 2639-5274. ; 2021
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Abstract
Subject headings
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- Aggregation-induced emission (AIE) has been much employed for visualizing material aggregation and self-assembly. However, water is generally required for the preparation of the AIE aggregates, the operation of which limits numerous material processing behaviors. Employing hexathiobenzene-based small molecules, monopolymers, and block copolymers as different material prototypes, we herein achieve AIE in pure organic phases by applying a nonequilibrium strategy, photoexcitation-controlled aggregation. This strategy enabled a dynamic change of molecular conformation rather than chemical structure upon irradiation, leading to a continuous aggregation-dependent luminescent enhancement (up to similar to 200-fold increase of the luminescent quantum yield) in organic solvents. Accompanied by the materialization of the nonequilibrium strategy, photoconvertible self-assemblies with a steady-state characteristic can be achieved upon organic solvent processing. The visual monitoring with the luminescence change covered the whole solution-to-film transition, as well as the in situ photoprocessing of the solid-state materials.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- FLUORESCENCE; PHOSPHORESCENCE; LUMINESCENT; PLATFORM; DESIGN
Publication and Content Type
- ref (subject category)
- art (subject category)
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