Phototriggered Aggregation-Induced Emission and Direct Generation of 4D Soft Patterns

© 2021 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 33(2021), 48 vom: 01. Dez., Seite e2105113
1. Verfasser: Xie, Huilin (VerfasserIn)
Weitere Verfasser: Li, Zhao, Gong, Junyi, Hu, Lianrui, Alam, Parvej, Ji, Xiaofan, Hu, Yubing, Chau, Joe H C, Lam, Jacky W Y, Kwok, Ryan T K, Tang, Ben Zhong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 4D soft patterns gels phototriggered aggregation-induced emission self-healing spatio-temporal control
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520 |a Microscopic control of macroscopic phenomena is one of the core subjects in materials science. Particularly, the spatio-temporal control of material behaviors through a non-contact way is of fundamental importance but is difficult to accomplish. Herein, a strategy to realize remote spatio-temporal control of luminescence behaviors is reported. A multi-arm salicylaldehyde benzoylhydrazone-based aggregation-induced emission luminogen (AIEgen)/metal-ion system, of which the fluorescence can be gated by the UV irradiation with time dependency, is developed. By changing the metal-ion species, the fluorescence emission and the intensity can also be tuned. The mechanism of the UV-mediated fluorescence change is investigated, and it is revealed that a phototriggered aggregation-induced emission (PTAIE) process contributes to the behaviors. The AIEgen is further covalently integrated into a polymeric network and the formed gel/metal-ion system can achieve laser-mediated mask-free writing enabled by the PTAIE process. Moreover, by further taking advantage of the time-dependent self-healing property of hydrazone-based dynamic covalent bond, transformable 4D soft patterns are generated. The findings and the strategy increase the ways to manipulate molecules on the supramolecule or aggregate level. They also show opportunities for the development of controllable smart materials and expand the scope of the materials in advanced optoelectronic applications 
650 4 |a Journal Article 
650 4 |a 4D soft patterns 
650 4 |a gels 
650 4 |a phototriggered aggregation-induced emission 
650 4 |a self-healing 
650 4 |a spatio-temporal control 
700 1 |a Li, Zhao  |e verfasserin  |4 aut 
700 1 |a Gong, Junyi  |e verfasserin  |4 aut 
700 1 |a Hu, Lianrui  |e verfasserin  |4 aut 
700 1 |a Alam, Parvej  |e verfasserin  |4 aut 
700 1 |a Ji, Xiaofan  |e verfasserin  |4 aut 
700 1 |a Hu, Yubing  |e verfasserin  |4 aut 
700 1 |a Chau, Joe H C  |e verfasserin  |4 aut 
700 1 |a Lam, Jacky W Y  |e verfasserin  |4 aut 
700 1 |a Kwok, Ryan T K  |e verfasserin  |4 aut 
700 1 |a Tang, Ben Zhong  |e verfasserin  |4 aut 
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773 1 8 |g volume:33  |g year:2021  |g number:48  |g day:01  |g month:12  |g pages:e2105113 
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