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Impedance spectroscopy of polymeric light emitting devices based on different poly(p-phenylene-vinylene) derivatives

✍ Scribed by S Forero-Lenger; J Gmeiner; W Brütting; M Schwoerer

Book ID
117543703
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
239 KB
Volume
111-112
Category
Article
ISSN
0379-6779

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✍ S.H. Kim; J.W. Jang; K.W. Lee; Cheol Eui Lee; S.W. Kim 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 112 KB

A poly-p-phenylenevinylene (PPV)-based light-emitting diode (LED) device was studied by means of comprehensive ac impedance measurements. Separate regions of frequency-dependent responses, the bulk and depleted (interface) regions, with distinct electrical properties, were identified and characteriz