Chemo-Electrical Gas Sensors Based on Conducting Polymer Hybrids

被引:139
作者
Park, Seon Joo [1 ]
Park, Chul Soon [1 ,2 ]
Yoon, Hyeonseok [2 ,3 ]
机构
[1] Korea Res Inst Biosci & Biotechnol, Hazards Monitoring Bionano Res Ctr, 125 Gwahak Ro, Daejeon 34141, South Korea
[2] Chonnam Natl Univ, Grad Sch, Dept Polymer Engn, 77 Yongbong Ro, Gwangju 61186, South Korea
[3] Chonnam Natl Univ, Sch Polymer Sci & Engn, 77 Yongbong Ro, Gwangju 61186, South Korea
基金
新加坡国家研究基金会;
关键词
conducting polymers; composites; sensors; polypyrrole; polyaniline; polythiophene; TRIETHYLAMINE-SENSING PROPERTIES; POLYPYRROLE NANOPARTICLES; FACILE SYNTHESIS; HIGH-SENSITIVITY; THIN-FILMS; COMPOSITE; GRAPHENE; NANOCOMPOSITES; PERFORMANCE; NANOTUBES;
D O I
10.3390/polym9050155
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Conducting polymer (CP) hybrids, which combine CPs with heterogeneous species, have shown strong potential as electrical transducers in chemosensors. The charge transport properties of CPs are based on chemical redox reactions and provide various chemo-electrical signal transduction mechanisms. Combining CPs with other functional materials has provided opportunities to tailor their major morphological and physicochemical properties, often resulting in enhanced sensing performance. The hybrids can provide an enlarged effective surface area for enhanced interaction and chemical specificity to target analytes via a new signal transduction mechanism. Here, we review a selection of important CPs, including polyaniline, polypyrrole, polythiophene and their derivatives, to fabricate versatile organic and inorganic hybrid materials and their chemo-electrical sensing performance. We focus on what benefits can be achieved through material hybridization in the sensing application. Moreover, state-of-the-art trends in technologies of CP hybrid sensors are discussed, as are limitations and challenges.
引用
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页数:24
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