Pillararene-Based Fluorescent Supramolecular Systems: The Key Role of Chain Length in Gelation

被引：33

作者：

Song, Nan ^{[1
]}

Lou, Xin-Yue ^{[1
]}

Hou, Wei ^{[1
]}

Wang, Chun-Yu ^{[2
]}

Wang, Yan ^{[1
]}

Yang, Ying-Wei ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Int Joint Res Lab Nanomicro Architecture Chem, 2699 Qianjin St, Changchun 130012, Jilin, Peoples R China

[2] Jilin Univ, Inst Theoret Chem, State Key Lab Supramol Struct & Mat, Changchun 130012, Jilin, Peoples R China

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2018年 / 39卷 / 24期

基金：

中国国家自然科学基金;

关键词：

assembly; fluorescence; host-guest chemistry; pillar[5]arene; supramolecular gel; HOST-GUEST CHEMISTRY; MOLECULAR RECOGNITION; WATER; POLYMERS; GEL; NANOPARTICLES; COMPLEXATION; EMISSION; RELEASE; BINDING;

D O I：

10.1002/marc.201800593

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Four supramolecular assemblies are fabricated from two pillararene tetramers with aggregation-induced emission properties (SH and LH) and two different lengths of neutral guests with three binding sites (arms) for pillararene cavities (SG and LG) through host-guest interactions, and their fluorescent behaviors in organic solvent are investigated. SG subset of SH exhibits the largest fluorescent enhancement in chloroform due to supramolecular assembly-induced emission enhancement, while only LG subset of LH turns into supramolecular gel with stimuli responsiveness owing to their most flexible arms.

引用

页数：6

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