Journal
POLYMER
Volume 50, Issue 14, Pages 3292-3301Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2009.04.066
Keywords
Conducting polymer nanofiber; Electrospinning; Vapor deposition polymerization
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Funding
- National Natural Science Foundation of China [50533030, 50873052, 20774056, 20604013]
- 863 Project [2006AA03Z705]
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Various conducting polymer/hydrophobic insulating polymer (CP/HIP) composite nanofibers have been prepared by electrospinning and vapor deposition polymerization (VDP) with benzoyl peroxide (BPO) as oxidant. BPO is soluble in N,N-dimethylformamide (DMF) and can form homogenous solutions with hydrophobic polymers such as poly(methyl methacrylate) (PMMA) and polystyrene (PS). High-quality nanofibers of PMMA or PS containing a certain amount of BPO were produced by electrospinning and used as the templates for VDP of pyrrole, 3,4-ethylenedioxythiophene (EDOT), and aniline. The non-woven mats of the resulting CP/HIP composite fibers can be used as the high-sensitive sensing elements of gas sensors. A gas senor based on polypyrrole (PPy)/PMMA composite fibers was fabricated for sensing ammonia or chloroform vapor, and exhibited greatly improved performances comparing with those of the device based on a PPy flat film. (C) 2009 Elsevier Ltd. All rights reserved.
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