EFFECT OF pH ON THE DETECTION OF EXPLOSIVE IN AQUEOUS SOLUTION USING A HYPERBRANCHED POLYTRIAZOLE WITH AGGREGATION-INDUCED EMISSION CHARACTERISTICS

被引：0
|
作者：
Wang, Jian [1 ]
Mei, Ju [1 ]
Shen, Xiaoyuan [1 ]
Qin, Anjun [1 ]
Sun, Jing Zhi [1 ]
Tang, Ben Zhong [1 ,2 ,3 ]
机构：
[1] Zhejiang Univ, Dept Polymer Sci & Engn, MOE Key Lab Macromol Synth & Functionalizat, Hangzhou 310027, Zhejiang, Peoples R China
[2] Hong Kong Univ Sci & Technol, Inst Mol Funct Mat, Inst Adv Study, Dept Chem, Kowloon, Hong Kong, Peoples R China
[3] South China Univ Technol SCUT, SCUT HKUST Joint Res Lab, State Key Lab Luminescent Mat & Devices, Guangdong Innovat Res Team, Guangzhou 510640, Peoples R China
来源：
JOURNAL OF MOLECULAR AND ENGINEERING MATERIALS | 2013年 / 1卷 / 03期
基金：
美国国家科学基金会;
关键词：
Aggregation-induced emission; explosive detection; quenching constant; super-amplication;
D O I：
10.1142/S2251237313400042
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The detection of explosives is crucial for civilian safety and environmental protection. The detection in harsh conditions, such as different pH values, is rarely reported. In this paper, using an AIE-active hyperbranched polymer (hb-P1a), the pH effect on explosive detection in aqueous was first studied. The hb-P1a aggregates are highly sensitive to explosive in acid to basic media, indicating that they are tolerant to various pH conditions. Improved detection efficiency of the polymer was recorded in the acid solution (K up to 8.26 x 10(4) M-1). Furthermore, the prototype devices of hb-P1a in filter papers could sense the PA in varying pH solutions. These advantages make the polymer a good candidate for explosive detection in various practical applications.
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页数：7
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