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Sensing Behaviors of Polypyrrole Nanotubes Prepared in Reverse Microemulsions: Effects of Transducer Size and Transduction Mechanism

DC Field Value Language
dc.contributor.authorYoon, Hyeonseok-
dc.contributor.authorChang, Mincheol-
dc.contributor.authorJang, Jyongsik-
dc.date.accessioned2010-03-24T23:46:44Z-
dc.date.available2010-03-24T23:46:44Z-
dc.date.issued2006-
dc.identifier.citationJ. Phys. Chem. B 2006, 110, 14074-14077en
dc.identifier.issn1520-6106-
dc.identifier.urihttps://hdl.handle.net/10371/61912-
dc.description.abstractPolypyrrole (PPy) nanotubes with different diameters were readily fabricated using cylindrical micelle templates
in sodium bis(2-ethylhexyl) sulfosuccinate (AOT) reverse microemulsions. Interestingly, Raman spectroscopy
and ultraviolet (UV)-visible spectroscopy revealed that the PPy nanotubes with smaller diameters had a
more extended conjugation length as well as a higher oxidation level. The PPy nanotubes were deposited
onto a microelectrode array and were exposed to chemical vapor and electromagnetic radiation: typically,
NH3 vapor and UV light were chosen. The electrical response of PPy nanotubes to two different kinds of
analytes was strongly dependent on their diameters. Moreover, since the small dimensions of PPy nanotubes
facilitated the interaction between nanotubes and analytes, the PPy nanotube sensors showed conspicuously
enhanced responses compared with conventional PPy.
en
dc.description.sponsorshipThis work was financially supported by
the Brain Korea 21 program of the Korean Ministry of
Education, and the Hyperstructured Organic Materials Research
Center is supported by the Korea Science and Engineering
Foundation.
en
dc.language.isoenen
dc.publisherAmerican Chemical Societyen
dc.titleSensing Behaviors of Polypyrrole Nanotubes Prepared in Reverse Microemulsions: Effects of Transducer Size and Transduction Mechanismen
dc.typeArticleen
dc.contributor.AlternativeAuthor윤현석-
dc.contributor.AlternativeAuthor장민철-
dc.contributor.AlternativeAuthor장정식-
dc.identifier.doi10.1021/jp061423b-
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