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Decoupling Charge Transport and Electroluminescence in a High Mobility Polymer Semiconductor

DOI: 10.1002/adma.201600851 DOI Help

Authors: David J. Harkin (University of Cambridge) , Katharina Broch (University of Cambridge) , Maximilian Schreck (Universität Würzburg) , Harald Ceymann (Universität Würzburg) , Andreas Stoy (Universität Würzburg) , Chaw-keong Yong (University of Cambridge) , Mark Nikolka (University of Cambridge) , Iain Mcculloch (Imperial College London, London) , Natalie Stingelin (Imperial College London) , Christoph Lambert (Universität Würzburg) , Henning Sirringhaus (University of Cambridge)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Advanced Materials , VOL 28 , PAGES 6378 - 6385

State: Published (Approved)
Published: August 2016

Open Access Open Access

Abstract: Fluorescence enhancement of a high-mobility polymer semiconductor is achieved via energy transfer to a higher fluorescence quantum yield squaraine dye molecule on 50 ps timescales. In organic light-emitting diodes, an order of magnitude enhancement of the external quantum efficiency is observed without reduction in the charge-carrier mobility resulting in radiances of up to 5 W str−1 m−2 at 800 nm.

Journal Keywords: energy transfer; fluorescence; NIR; organic LEDs

Subject Areas: Materials, Physics


Added On: 05/04/2017 15:38

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