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Perylene diimide derivative via ionic self-assembly: helical supramolecular structure and selective detection of ATP
来源:任相魁教授个人网站 发布日期:2020-06-29
作者:Lin Lu, Hai-Jun Sun, Yu-Ting Zeng, Yu Shao, Maxim Bermeshev, Yang Zhao, Bin Sun*, Zhijian Chen, Xian
关键字:Perylene diimide
论文来源:期刊
具体来源:Journal of Materials Chemistry C
发表时间:2020年
A novel perylene diimide material (perylene diimide tetracid- dihexadecyldimethylammonium bromide, PDTA-DHAB) with unique hierarchical structure was designed and prepared by ionic self-assembly (ISA) method. The self-assembly behavior and aggregated structure of the complex were then studied by a variety of techniques such as UV-Vis absorption spectra, differential scanning calorimetry, and two-dimensional X-ray diffraction. With the presence of a rigid linkage, the complex can self-assemble into highly ordered helical columns which further pack into a monoclinic crystalline lattice with dimensions of a = 4.02 nm, b =3.40 nm, c = 2.90 nm, α = β = 90o, γ = 92o. During heating, the helical supramolecular structure was destroyed and transformed to a lamellar liquid crystalline phase. Furthermore, PDTA-DHAB system can exhibit sensitivity and selectivity to adenosine triphosphate (ATP). These results will provide insight into the rational design of functional materials with helical supramolecular structure and fluorescence detection ability through ISA method.
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