Direct detection of ultralow trace amounts of isocyanates in air using a fluorescent conjugated polymer

被引：41

作者：

Ghosh, Khama Rani ^{[1
]}

Saha, Sukanta Kumar ^{[1
]}

Gao, Jian Ping ^{[1
]}

Wang, Zhi Yuan ^{[1
,2
]}

机构：

[1] Carleton Univ, Dept Chem, Ottawa, ON K1S 5B6, Canada

[2] Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Changchun Inst Appl Chem, Changchun 130022, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 06期

基金：

中国国家自然科学基金;

关键词：

AGGREGATION-INDUCED EMISSION; HEXAMETHYLENE DIISOCYANATE; ALIPHATIC ISOCYANATES; LIQUID-CHROMATOGRAPHY; CHEMOSENSORS; ATMOSPHERE; FILMS;

D O I：

10.1039/c3cc47934j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A fluorescence sensory polymer containing the pentiptycene and tetraphenylethylene units linked by acetylene was synthesized for direct detection of isocyanates in air. Eight industrially available aliphatic and aromatic isocyanates were tested. The polymer film shows a rapid fluorescence quenching response to any type of isocyanates with a ppt level of detection limit, which is much lower than the permissible exposure limit of 5 ppb.

引用

页码：716 / 718

页数：3

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