Electrical properties of C-22-quinolinium(TCNQ) and polyamic acid alkylamine salts Langmuir-Blodgett films
DC Field | Value | Language |
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dc.contributor.author | Kim, TW | - |
dc.contributor.author | Lee, FS | - |
dc.contributor.author | Byun, DH | - |
dc.contributor.author | Kang, DY | - |
dc.date.accessioned | 2022-05-18T06:41:37Z | - |
dc.date.available | 2022-05-18T06:41:37Z | - |
dc.date.created | 2022-05-18 | - |
dc.date.issued | 1998-10-15 | - |
dc.identifier.issn | 0040-6090 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/27624 | - |
dc.description.abstract | Electrical properties of C-22-quinolinium (TCNQ) and polyamic acid alkylamine salts Langmuir-Blodgett (LB) films have been investigated through a study of surface pressure (pi)-area (A) isotherms, current-voltage(I-V) characteristics, frequency-dependent dielectric responses, and thermal iv-stimulated currents (TSC). Through-plane I-V characteristics of C-22-quinolinium(TCNQ) LB films show an anomalous behavior of breakdown near the electric-field strength of 10(6) V/cm. Frequency-dependent dielectric constants of the thermally annealed C-22-quinolinium(TCNQ) LB films show that there are two characteristic dispersions in a frequency range of 10-13 Hz; one is a dispersion occurring near 1 MHz coming from the orientational polarization of the molecules and the other is probably due to an interfacial polarization below 1 kHz when the annealing temperature is above 80 degrees C. The annealing temperature-dependent dielectric constants of the C-22-quinolinium(TCNQ) LB films show that there are two maximum: one at near 80 degrees C and the other at near 180 degrees C. The first peak seems to be related to a disorder of allyl chains. In the I-V characteristics of Z-type polyamic acid alkylamine salts (PAAS) LB films measured along the through-plane at room temperature, ohmic conduction has been observed below around 10(5) V/cm, which is: similar to that of C-22-quinolinium(TCNQ) LB films. Non-ohmic conduction has been observed above around 105 V/cm and the conduction mechanism can be explained by Schottky effect. Frequency-dependent dielectric responses of the PAAS LB film show that there is a dispersion at 10(4) Hz when the annealing temperature reaches about 100 degrees C. Measurements of thermally-stimulated currents of those LB films were performed from room temperature to about 250 degrees C and the temperature was increased at a rare of 0.2 degrees C/s linearly. TSC peaks are observed at about 70 degrees C in the arachidic acid LB films, and at about 70 and 160 degrees C in thr PAAS LB films. They indicate that the peak at 70 degrees C is resulted from die alkyl group, and the other peak at 160 degrees C is probably due to C-O group in PAAS molecules. (C) 1998 Elsevier Science S.A. All rights reserved. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject | MONOLAYER | - |
dc.title | Electrical properties of C-22-quinolinium(TCNQ) and polyamic acid alkylamine salts Langmuir-Blodgett films | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kim, TW | - |
dc.contributor.affiliatedAuthor | Kang, DY | - |
dc.identifier.doi | 10.1016/S0040-6090(98)00939-0 | - |
dc.identifier.scopusid | 2-s2.0-0032179841 | - |
dc.identifier.wosid | 000077007100003 | - |
dc.identifier.bibliographicCitation | THIN SOLID FILMS, v.331, no.1-2, pp.8 - 14 | - |
dc.relation.isPartOf | THIN SOLID FILMS | - |
dc.citation.title | THIN SOLID FILMS | - |
dc.citation.volume | 331 | - |
dc.citation.number | 1-2 | - |
dc.citation.startPage | 8 | - |
dc.citation.endPage | 14 | - |
dc.type.rims | ART | - |
dc.type.docType | Article; Proceedings Paper | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalResearchArea | Physics | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Coatings & Films | - |
dc.relation.journalWebOfScienceCategory | Physics, Applied | - |
dc.relation.journalWebOfScienceCategory | Physics, Condensed Matter | - |
dc.subject.keywordPlus | MONOLAYER | - |
dc.subject.keywordAuthor | Langmuir-Blodgett films | - |
dc.subject.keywordAuthor | C-22-quinolinium(TCNQ) | - |
dc.subject.keywordAuthor | polyamic acid alkylamine salts | - |
dc.subject.keywordAuthor | electrical properties | - |
dc.subject.keywordAuthor | thermally-stimulated currents zeta | - |
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