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Temperature Effect of Ionic Transition Metal Complex Light-Emitting Electrochemical Cells

Published online by Cambridge University Press:  20 May 2013

Takeo Akatsuka ,
Stephan van Reenen ,
Enrico Bandiello  and
Henk J. Bolink
Takeo Akatsuka
Affiliation:
Instituto de Ciencia Molecular, Universidad de Valencia, C/ Catedrático J. Beltrán 2, ES-46980 Paterna (Valencia), Spain Advanced Materials Research Center, Nippon Shokubai Co. Ltd., 5-8 Nishi Otabi-cho, Suita, 564-8512 Osaka, Japan
Stephan van Reenen
Affiliation:
Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
Enrico Bandiello
Affiliation:
Instituto de Ciencia Molecular, Universidad de Valencia, C/ Catedrático J. Beltrán 2, ES-46980 Paterna (Valencia), Spain
Henk J. Bolink
Affiliation:
Instituto de Ciencia Molecular, Universidad de Valencia, C/ Catedrático J. Beltrán 2, ES-46980 Paterna (Valencia), Spain
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Abstract

Light-Emitting Electrochemical Cells (LECs) consist of solution processable ionic light-emitting materials and use air stable electrodes. Their operational mechanism relies on both ionic and electronic conduction. The dynamic behavior is primarily determined by the ionic conductivity. Here, we demonstrate that with increasing temperature the LECs turn-on faster yet without decreasing the efficiency. This is due to the activation energy of ionic transport and the temperature independent photoluminescence quantum yields.

Keywords

Irphotoemissionluminescence
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1567: Symposium JJ – Fundamental Processes in Organic Electronics , 2013 , mrss13-1567-jj13-62
Copyright
Copyright © Materials Research Society 2013 

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References

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