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Wang, Jie; Huang, Zizhao; Ma, Xiang; Tian, He
Angewandte Chemie International Edition, June 15, 2020, Letnik: 59, Številka: 25Journal Article
Solid‐state materials with efficient room‐temperature phosphorescence (RTP) emissions have found widespread applications in materials science, while liquid or solution‐phase pure organic RTP emission systems has been rarely reported, because of the nonradiative decay and quenchers from the liquid medium. Reported here is the first example of visible‐light‐excited pure organic RTP in aqueous solution by using a supramolecular host‐guest assembly strategy. The unique cucurbit8uril‐mediated quaternary stacking structure allows tunable photoluminescence and visible‐light excitation, enabling the fabrication of multicolor hydrogels and cell imaging. The present assembly‐induced emission approach, as a proof of concept, contributes to the construction of novel metal‐free RTP systems with tunable photoluminescence in aqueous solution, providing broad opportunities for further applications in biological imaging, detection, optical sensors, and so forth. True colors: An assembly‐induced emission strategy was utilized to endow a simple dye molecule with room‐temperature phosphorescence and tunable photoluminescence in aqueous solution. The obtained supramolecular assembly structure has intriguing photophysical properties and enables the fabrication of multicolor hydrogels and cell imaging.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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