Two-Dimensional Metal-Organic Framework with Wide Channels and Responsive Turn-On Fluorescence for the Chemical Sensing of Volatile Organic Compounds

被引：610

作者：

Zhang, Mei ^{[1
]}

Feng, Guangxue ^{[1
]}

Song, Zhegang ^{[2
,3
]}

Zhou, Yu-Peng ^{[4
]}

Chao, Hsiu-Yi ^{[4
]}

Yuan, Daqiang ^{[5
]}

Tan, Tristan T. Y. ^{[6
]}

Guo, Zhengang ^{[1
]}

Hu, Zhigang ^{[1
]}

Tang, Ben Zhong ^{[2
,3
]}

Liu, Bin ^{[1
,6
]}

Zhao, Dan ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 117585, Singapore

[2] Hong Kong Univ Sci & Technol, State Key Lab Mol Neurosci, Div Biomed Engn, Dept Chem,Inst Adv Study, Kowloon, Hong Kong, Peoples R China

[3] Hong Kong Univ Sci & Technol, Inst Mol Funct Mat, Kowloon, Hong Kong, Peoples R China

[4] Sun Yat Sen Univ, Sch Chem & Chem Engn, MOE Key Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China

[5] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China

[6] Inst Mat Res & Engn, Singapore 117602, Singapore

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2014年 / 136卷 / 20期

关键词：

HYDROGEN STORAGE; LUMINESCENCE; ADSORPTION; DESIGN; ELECTROCATALYSTS; MECHANISM;

D O I：

10.1021/ja502643p

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a 2D layered metal-organic framework (MOF) with wide channels named NUS-1 and its activated analogue NUS-la composed of Zn4O-like secondary building units and tetraphenylethene (TPE)-based ligand 4,4'-(2,2-diphenylethene-1,1-diyl)dibenzoic acid. Due to its special structure, NUS-la exhibits unprecedented gas sorption behavior, glass-transition-like phase transition under cryogenic conditions, and responsive turn-on fluorescence to various volatile organic compounds. Our approach using angular ligand containing partially fixed TPE units paves a way toward highly porous MOFs with fluorescence turn-on response that will find wide applications in chemical sensing.

引用

页码：7241 / 7244

页数：4

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