Enhanced efficiency in polymer light-emitting diodes due to the improvement of charge-injection balance

Yow Jon Lin, Wei Yang Chou, Shih Ting Lin

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Abstract

The authors report the enhancement of efficiency of polymer light-emitting diodes (PLEDs) in the study. According to the experimental results, we find that PLEDs, fabricated on irradiated indium-tin-oxide surfaces by KrF excimer laser, with an organic layer between the cathode and the emitting layer may lead to the improvement of charge-injection balance and prevention of cathode metal quenching, resulting in a remarkable increase in external quantum efficiency.

Original languageEnglish
Article number071108
JournalApplied Physics Letters
Volume88
Issue number7
DOIs
Publication statusPublished - 2006 Feb 24

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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