Improvement of Electroluminescence Performance of Organic Light‐Emitting Diodes with a Liquid‐Emitting Layer by Introduction of Electrolyte and a Hole‐Blocking Layer | Zendy

Hirata Shuzo | Zendy; Kubota Korefumi | Zendy; Jung Heo Hyo | Zendy; Hirata Osamu | Zendy; Goushi Kenichi | Zendy; Yahiro Masayuki | Zendy; Adachi Chihaya | Zendy

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Improvement of Electroluminescence Performance of Organic Light‐Emitting Diodes with a Liquid‐Emitting Layer by Introduction of Electrolyte and a Hole‐Blocking Layer

Author(s) -

Hirata Shuzo,

Kubota Korefumi,

Jung Heo Hyo,

Hirata Osamu,

Goushi Kenichi,

Yahiro Masayuki,

Adachi Chihaya

Publication year - 2011

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201003505

Subject(s) - electroluminescence , materials science , optoelectronics , layer (electronics) , oled , diode , cathode , indium tin oxide , electrolyte , luminance , blocking (statistics) , doping , light emitting diode , electrode , nanotechnology , optics , electrical engineering , computer science , chemistry , physics , computer network , engineering

Organic light‐emitting diodes containing a liquid emitting layer that exhibit improved external electroluminescence quantum efficiency ( Φ EL ) and maximum luminance are presented. Doping the liquid emitting layer with an electrolyte significantly decreases the turn‐on voltage for electroluminescence. Insertion of a TiO 2 hole‐blocking layer between the liquid emitting layer and indium tin oxide cathode improves Φ EL .

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