Triplet Harvesting by a Conventional Fluorescent Emitter Using Reverse Intersystem Crossing of Host Triplet Exciplex | Zendy

Kim KwonHyeon | Zendy; Moon ChangKi | Zendy; Sun Jin Won | Zendy; Sim Bomi | Zendy; Kim JangJoo | Zendy

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Triplet Harvesting by a Conventional Fluorescent Emitter Using Reverse Intersystem Crossing of Host Triplet Exciplex

Author(s) -

Kim KwonHyeon,

Moon ChangKi,

Sun Jin Won,

Sim Bomi,

Kim JangJoo

Publication year - 2015

Publication title -

advanced optical materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.89

H-Index - 91

ISSN - 2195-1071

DOI - 10.1002/adom.201400644

Subject(s) - intersystem crossing , fluorescence , excimer , materials science , oled , exciton , common emitter , dopant , photochemistry , optoelectronics , quantum efficiency , doping , optics , excited state , nanotechnology , atomic physics , chemistry , singlet state , physics , layer (electronics) , quantum mechanics

A red fluorescent OLED with an unprecedented external quantum efficiency of 10.6% is created using an exciplex forming system as a host for a conventional fluorescent dopant not showing delayed fluorescence. Quantitative analysis indicates that over 35% of the total excitons are converted to emission light, clearly indicating the triplet harvesting in the system.

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