Optimum charge-carrier mobility for a polymer light-emitting diode
- Blom, P. W. M.
- Vissenberg, M. C. J. M.
- Huiberts, J. N.
- Martens, H. C. F.
- Schoo, H. F. M.
DOIAbstract
The performance of polymer light-emitting diodes (PLEDs) consisting of various poly-p(phenylene vinylene) (PPV)-based derivatives has been investigated. It is demonstrated that an increased charge carrier mobility gives rise to an enhancement of the quenching of the electroluminescence at the metallic cathode. As a result the power efficiency of PPV-based LEDs under operating conditions exhibits a distinct optimum at a mobility of about 10−11 m2/V s
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