Phenothiazine and carbazole substituted pyrene based electroluminescent organic semiconductors for OLED devices | Zendy

Jagadish K. Salunke | Zendy; Keng Lin Wong | Zendy; Krishna Feron | Zendy; Sergei Manzhos | Zendy; Ming Fai Lo | Zendy; Durgaprasad Shinde | Zendy; Abhijeet Patil | Zendy; ChunSing Lee | Zendy; Vellaisamy A. L. Roy | Zendy; Prashant Sonar | Zendy; Prakash P. Wadgaonkar | Zendy

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Phenothiazine and carbazole substituted pyrene based electroluminescent organic semiconductors for OLED devices

Author(s) -

Jagadish K. Salunke,

Keng Lin Wong,

Krishna Feron,

Sergei Manzhos,

Ming Fai Lo,

Durgaprasad Shinde,

Abhijeet Patil,

ChunSing Lee,

Vellaisamy A. L. Roy,

Prashant Sonar,

Prakash P. Wadgaonkar

Publication year - 2015

Publication title -

journal of materials chemistry c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.899

H-Index - 128

eISSN - 2050-7534

pISSN - 2050-7526

DOI - 10.1039/c5tc03690a

Subject(s) - electroluminescence , oled , carbazole , materials science , pyrene , organic semiconductor , phenothiazine , semiconductor , photochemistry , optoelectronics , diode , nanotechnology , organic chemistry , chemistry , layer (electronics) , medicine , pharmacology

Due to their easy availability, low cost and opportunities for exploiting reactions of bromo substituents, 1,3,6,8-tetrabromopyrene has attracted major attention in the organic electronics community for designing and constructing novel classes of pyrene based organic semiconducting functional materials. In the present work, 1,3,6,8-tetrabromo pyrene was transformed into the corresponding tetrasubstituted carbazole and phenothiazine derivatives using the classical Suzuki coupling reaction. These newly synthesized materials with a carbazole substituent (PY-CA) and a phenothiazine substituent (PY-PH) were characterised thoroughly and were successfully used as an active light-emitting layer in organic light emitting diodes which resulted in blue and green emission with promising device performance. PY-CA exhibited the maximum brightness at around 2500 cd m−2 and the power efficiency of 1.5 lm W−1 while that of PY-PH exhibited 2116 cd m−2 and 0.45 lm W−1 respectively

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