Conductive polymer is one of the important multi-functional materials. It has many applications in lightemitting diodes, chemical sensors, biosensors, et al. This paper provides a relatively comprehensive review on the progress of conductive polymer and composite as sensitive film for sensors to chemical vapors including patents, papers and our preliminary research results. Especially, the feature of conjugated polymers, the processing technology, doping characteristics and some factors affecting gas responses are discussed. Otherwise, the developments of nanostructured conductive polymer and organic-inorganic hybrid film sensor with high sensitivity and rapid response to vapors are also described, and some suggestions are proposed.
Keywords: Polymers, Conductive polymer, multi-functional materials, emitting diodes, chemical sensors, biosensors, acteristics, conjugated polymers, processing technology, doping characteristics, hybrid film sensor, Conductive polymers, nano/micro-structure, morphology tailoring, assembly, chemical sensor, flexible nanoelectronic device, device, nanoelectronic devices, electronic noses, environmental monitor, foodstuff industries, drug detection, neurotoxin detection, intrinsic conductive, polymer, conjugated polymer, polypyrrole, polythiophene, polymer-based gas sensors, organic semiconductors, doping effect, reversible redox process, chemical oxidation, Spin-coating, biosensor fabrication, film-forming technology, thermoplastic film, thermoset polymers, phosphonylation-based processes, antistatic clothing, Gas-sensing Property, electrochromic properties, Langmuir-Blodgett method, gas-sensing technique, multi-purpose silicon chip, ultra-thin film technology, LB technique, three-layer polyaniline, silicon micro-bridges, zero-gas sensitivity, Langmuir isotherm, micro-bridge, quartz crystal microbalance (QCM), emeraldine salt (ES), QCM device, FTIR, scanning electron microscopy, immunosensors, bovine leukemia virus (BLV), fluorescence-detectable, anti-gp51-Ab, N-type, P-type silicon, (FISPS), gas-sensing ability, single polyaniline film, PMMA, PANI, PANI-PMMA, PANI-PS, Gas-Sensing, nano-fiber, non-template, nano-fiber seeding, nanowire-structured, nano wires, nano-structured, ethylenedioxythiophene (EDOT), human serum albumin, surface acoustic wave (SAW), polyaniline nanotube, gas-sensing mechanisms, Nanopore analytics, semiconducting oxide nanobelts, carbon nanotubes, Nanotube molecular
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