Colorimetric Polydiacetylene-Aerogel Detector for Volatile Organic Compounds (VOCs)

被引：138
作者：
Dolai, Susmita [1 ]
Bhunia, Susanta Kumar [1 ]
Beglaryan, Stella S. [3 ]
Kolusheva, Sofiya [2 ]
Zeiri, Leila [2 ]
Jelinek, Raz [1 ,2 ]
机构：
[1] Ben Gurion Univ Negev, Dept Chem, IL-84105 Beer Sheva, Israel
[2] Ben Gurion Univ Negev, Ilse Katz Inst Nanotechnol, IL-84105 Beer Sheva, Israel
[3] Univ Bologna, Green Chem Lab, Chem Dept G Ciamician, Via S Alberto 163, I-48100 Ravenna, Italy
来源：
ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 03期
关键词：
polydiacetylene; aerogel; volatile organic compounds; colorimetric sensors; nanoporous materials; LIPID/POLYDIACETYLENE FILMS; ABSORPTION-SPECTROSCOPY; ELECTROSPUN FIBERS; EXHALED BREATH; SENSOR ARRAY; GAS; TRANSITIONS; TEMPERATURE; VESICLES; POLYMERIZATION;
D O I：
10.1021/acsami.6b14469
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A new hybrid system comprising polydiacetylene (PDA), a chromatic conjugated polymer, embedded within aerogel pores has been constructed. The PDA aerogel powder underwent dramatic color changes in the presence of volatile organic compounds (VOCs), facilitated through infiltration of the gas molecules into the highly porous aerogel matrix and their interactions with the aerogel-embedded PDA units. The PDA aerogel composite exhibited rapid color/fluorescence response and enhanced signals upon exposure to low VOC concentrations. Encapsulation of PDA derivatives displaying different headgroups within the aerogel produced distinct VOC-dependent color transformations, forming a PDA-aerogel "artificial nose".
引用
收藏
页码：2891 / 2898
页数：8
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