P‐166: All‐Solution‐Processed Multilayered Small‐Molecule OLEDs with High Device Efficiency | Zendy

Tseng HsinRong | Zendy; Meng HsinFei | Zendy; You JiaDa | Zendy; Horng ShengFu | Zendy; Yen FengWen | Zendy; Lin IFeng | Zendy

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P‐166: All‐Solution‐Processed Multilayered Small‐Molecule OLEDs with High Device Efficiency

Author(s) -

Tseng HsinRong,

Meng HsinFei,

You JiaDa,

Horng ShengFu,

Yen FengWen,

Lin IFeng

Publication year - 2009

Publication title -

sid symposium digest of technical papers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.351

H-Index - 44

eISSN - 2168-0159

pISSN - 0097-966X

DOI - 10.1889/1.3256672

Subject(s) - oled , materials science , pyrene , solution process , dopant , naphthalene , vacuum deposition , aniline , dissolution , layer (electronics) , coating , deposition (geology) , solubility , fluorescence , molecule , diode , thin film , optoelectronics , chemical engineering , nanotechnology , optics , organic chemistry , chemistry , doping , paleontology , physics , sediment , engineering , biology

All‐solution‐processed multilayer blue small molecular organic light‐emitting diodes are fabri‐cated by blade coating method. Fluorescent blue host,1‐(7‐(9,9′‐bianthracen‐10‐yl)‐ 9,9‐dioctyl‐9H‐fluoren‐2‐yl)pyrene, and blue dopant, 4,4′‐(1E,1′E)‐2,2′‐(naphthalene‐2,6‐diyl)bis(ethene‐2,1‐diyl)bis(N,N‐bis(4‐hexylphenyl) aniline), are synthesized to achieve good solubility and pinhole‐free thin film by solution process. The multilayer device structure with hole/electron transport layer is achieved by blade coating method without the dissolution problem between layers. The efficiency of the all‐solution‐processed device is 4.8 cd/A at 1,200 cd/m2, close to that by thermal deposition in high vacuum chamber.

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