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  • Title: Carbon nanotube/polythiophene chemiresistive sensors for chemical warfare agents.
    Author: Wang F, Gu H, Swager TM.
    Journal: J Am Chem Soc; 2008 Apr 23; 130(16):5392-3. PubMed ID: 18373343.
    Abstract:
    We report a chemiresistor that has been fabricated via simple spin-casting technique from stable CNT dispersion in hexafluoroisopropanol functionalized polythiophene. The sensor has shown high sensitivity and selectivity for a nerve reagent stimulant DMMP. A series of sensing studies, including field effect investigation, electrode passivation, and fluorescent measurement, indicate a combinative mechanism of charge transfer, introduction of scattering sites, and a configurational change of the polymer.
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