High efficiency in a solution-processed thermally activated delayed-fluorescence device using a delayed-fluorescence emitting material with improved solubility.

Cho, Yong Joo; Yook, Kyoung Soo; Lee, Jun Yeob · Adv Mater · 2014

basic_science · Level V

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Abstract

High quantum efficiency above 18% in a solution-processed thermally activated delayed-fluorescence device is achieved by modifying a common delayed-fluorescence emitter with a tert-butyl substituent.