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© 2017 Elsevier Ltd Two novel oxazole derivatives 4-(6-(4,5-diphenyloxazol-2-yl)pyridin-3-yl)-N,N-diphenylaniline (TPA-PPO) and 2-(5-(4-(9H-carbazol-9-yl)phenyl)pyridin-2-yl)-4,5-diphenyloxazole (CzPh-PPO) have been designed and synthesized. The photophysical, electrochemical and thermal characters of the compounds were systematically investigated, which consistent well with the theoretical DFT calculations. TPA-PPO and CzPh-PPO exhibit high photoluminescent quantum yield of 0.63 and 0.59, respectively. The device using TPA-PPO as the dopant showed deep blue emission with a high EQE of 1.77%. A white OLED was obtained using the single emitter of CzPh-PPO with an EQE of 1.24%.

Original publication

DOI

10.1016/j.tet.2017.02.049

Type

Journal article

Journal

Tetrahedron

Publication Date

01/01/2017

Volume

73

Pages

2036 - 2042