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White light from an electroluminescent diode made from poly[3(4‐octylphenyl)‐2,2′‐bithiophene] and an oxadiazole derivative
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.ORCID iD: 0000-0001-5154-0291
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
Chalmers Tekniska Högskola.
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1994 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 76, no 11, 7530-7534 p.Article in journal (Refereed) Published
Abstract [en]

We report on an electroluminescent diode emitting red, green, and blue light simultaneously. The device is based on a thin polymer layer, poly[3‐(4‐octylphenyl)‐2,2′‐bithiophene] and a thick molecular layer, 2‐(4‐biphenylyl)‐5‐(4‐tertbutyl‐phenyl)1,3,5‐oxadiazole. The quantum efficiency for light conversion is 0.3% and the turn‐on voltage for light emission is 7 V. In this article we present electric and spectroscopic characterizations. A mechanism for the light emission, based on electron and hole recombination between the two organic layers, is proposed

Place, publisher, year, edition, pages
American Institute of Physics (AIP) , 1994. Vol. 76, no 11, 7530-7534 p.
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Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-74935DOI: 10.1063/1.357984ISI: A1994PU81800054OAI: oai:DiVA.org:liu-74935DiVA: diva2:497102
Available from: 2012-02-10 Created: 2012-02-10 Last updated: 2017-12-07

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Berggren, MagnusInganäs, Olle

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