Pillar[5]arene-Diketopyrrolopyrrole Fluorescent Copolymer: A Promising Recognition and Adsorption Material for Adiponitrile by Selective Formation of a Conjugated Polypseudorotaxane

被引：44
作者：
Cui, Wei [1 ]
Tang, Hao [1 ]
Xu, Linxian [1 ]
Wang, Lingyun [1 ]
Meier, Herbert [2 ]
Cao, Derong [1 ]
机构：
[1] South China Univ Technol, Sch Chem & Chem Engn, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China
[2] Johannes Gutenberg Univ Mainz, Inst Organ Chem, D-55099 Mainz, Germany
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2017年 / 38卷 / 14期
基金：
中国国家自然科学基金;
关键词：
adsorption materials; conjugated polymers; Pillararene; polypseurodaxanes; selective binding; MOLECULAR RECOGNITION; GOLD NANOPARTICLES; GUEST RECOGNITION; POLYMER; COMPLEXATION; POLYROTAXANES; CYCLODEXTRIN; PSEUDOROTAXANES; CUCURBITURIL; DINITRILES;
D O I：
10.1002/marc.201700161
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Conjugated pillar[5] arene-diketopyrrolopyrrole copolymer (P1) is synthesized by the copolymerization of a difunctionalized pillar[5] arene and a diketopyrrolopyrrole-based monomer, which shows large extinction coefficients (1.1 x 10(4) m(-1) cm(-1)) at 519 nm and strong emission at 587 nm. P1 exhibits very strong host-guest binding affinity towards adiponitrile but low binding affinity towards 1,4-dihalobutane and 1,4-bis(imidazol-1-yl) butane. Such an enhanced selectivity is first found in the polypseudorotaxane between pillararene and neutral guests in organic solution and is successfully used for the recognition and adsorption of adiponitrile by the formation of a P1-adiponitrile polypseudorotaxane.
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页数：5
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