Dynamic artificial light-harvesting systems based on rotaxane dendrimers

被引：27

作者：

Li, Wei-Jian ^{[1
]}

Wang, Xu-Qing ^{[1
]}

Wang, Wei ^{[1
]}

Hu, Zhubin ^{[2
]}

Ke, Yubin ^{[3
,4
]}

Jiang, Hanqiu ^{[3
,4
]}

He, Chunyong ^{[3
,4
]}

Wang, Xueli ^{[2
]}

Hu, Yi-Xiong ^{[1
]}

Jia, Pei-Pei ^{[1
]}

Yin, Panchao ^{[5
,6
]}

Chen, Jinquan ^{[2
]}

Sun, Haitao ^{[2
]}

Sun, Zhenrong ^{[2
]}

Xu, Lin ^{[1
]}

Yang, Hai-Bo ^{[1
]}

机构：

[1] East China Normal Univ, Sch Chem & Mol Engn, Shanghai Key Lab Green Chem & Chem Proc, 3663N Zhongshan Rd, Shanghai 200062, Peoples R China

[2] East China Normal Univ, State Key Lab Precis Spect, 500 Dongchuan Rd, Shanghai 200241, Peoples R China

[3] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China

[4] Spallat Neutron Source Sci Ctr, Dongguan 523803, Peoples R China

[5] South China Univ Technol, South China Adv Inst Soft Matter Sci & Technol, Guangzhou 510640, Peoples R China

[6] South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

来源：

GIANT | 2020年 / 2卷

基金：

中国国家自然科学基金;

关键词：

Light harvesting; Energy transfer; Rotaxane dendrimer; Anthracene; Zinc(II) porphyrin; ENERGY-TRANSFER; ANTENNA; GENERATION; COMPLEXES; SINGLET; COORDINATION; PORPHYRINS; SIZE;

D O I：

10.1016/j.giant.2020.100020

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Although the preparation of artificial light-harvesting systems (ALHs) has attracted increasing attention, dynamic regulation of antenna effect in ALHs has been still a major challenge. Herein, we constructed a family of new rotaxane dendrimers containing up to fifty-six anthracene moieties (energy donor) on the wheels of the rotaxane units and one zinc(II) porphyrin moiety (energy acceptor) at the central core. Notably, the resultant rotaxane dendrimers incorporate a large number of rotaxane subunits on the dendritic skeleton in a monodisperse manner, which thus allowed for the high energy transfer efficiencies and antenna effects. More importantly, with the addition and removal of acetate anions, the directional and reversible motion of rotaxane unit on each axis was realized, thus leading to dynamic regulation of antenna effect in resultant rotaxane dendrimers.

引用

页数：11

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