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학술지 Impedance Spectroscopy of π-Conjugated Organic Materials
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저자
김성현, 추혜용, 정태형, 양용석
발행일
200404
출처
ETRI Journal, v.26 no.2, pp.156-170
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.04.0102.0018
협약과제
03SB1600, 플라스틱 트랜지스터 소자/소재 기술, 정태형
초록
AC electrical properties of organic light-emitting diodes with poly(2-methoxy-5-(2??-ethyl-hexyloxy)-1,4-phenylenevinylene) (MEH-PPV), poly[2,5-bia(dimethyloctylsilyl)-1,4-phenylenevinylene] (BDMOS-PPV), and tris-(8-hydroxyquinolate)-aluminum (AlQ3) as light-emitting materials are studied. The frequency-dependent real and imaginary parts of impedance were fitted using an equivalent circuit. We found that the conduction mechanism is a space-charge limited current with exponential trap distribution.
키워드
Impedance, Organic, Semiconductor, Spectroscopy
KSP 제안 키워드
8-Hydroxyquinolate, BDMOS-PPV, Conjugated organic materials, Equivalent Circuit, Imaginary part, Impedance spectroscopy(IS), Light-emitting materials, MEH-PPV(Polymer), Organic light-emitting diodes(OLEDS), Space-charge limited current, conduction mechanism
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