Dimension-controllable and photo-responsive supramolecular organic framworks through cucurbit[8]uril-based self-assembly

被引：2
作者：
Wang, Jie [1 ]
Li, You [1 ]
Hai, Zi-juan [2 ]
Yan, Yang-yang [1 ]
Hua, Zan [1 ]
Wang, Zhong-kai [1 ]
Yang, Guang [1 ,3 ]
机构：
[1] Anhui Agr Univ, Sch Forestry & Landscape Architecture, Biomass Mol Engn Ctr, Hefei 230036, Peoples R China
[2] Anhui Univ, Inst Phys Sci & Informat Technol, Hefei 230601, Peoples R China
[3] Fudan Univ, State Key Lab Mol Engn Polymers, Shanghai 200433, Peoples R China
来源：
CHINESE JOURNAL OF CHEMICAL PHYSICS | 2022年 / 35卷 / 05期
关键词：
Supramolecular organic framework; Host-guest interaction; Dimension-controllability; Tunable fluorescence; Photo-responsiveness; AGGREGATION-INDUCED EMISSION; HYPERBRANCHED POLYMER; FRAMEWORKS SOFS; 2D; RECOGNITION; DRIVEN; PORES;
D O I：
10.1063/1674-0068/cjcp2012205
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Dimension-controllable supramolecular organic frameworks (SOFs) with aggregation-enhanced fluorescence are hierarchically fabricated through the host-guest interactions of cucurbit[8]uril (CB[8]) and coumarin-modified tetraphenylethylene derivatives (TPEC). The three-dimensional layered SOFs could be constructed from the further stacking of two-dimensional mono-layered structures via simply regulating the self-assembly conditions including the culturing time and concentration. Upon light irradiation under the wavelength of 365nm, the photodimerization of coumarin moieties occurred, which resulted in the transformation of the resultant TPECn/CB[8](4n) two-dimensional SOFs into robust covalently-connected 2D polymers with molecular thickness. Interestingly, the supramolecular system of TPECn/CB[8](4n) exhibited intriguing multicolor fluorescence emission from yellow to blue in the time range of 0-24h at 365nm irradiation, possessing potential applicability for photochromic fluorescence ink.
引用
收藏
页码：774 / 782
页数：9
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