Issue 18, 2017
From the journal:

New Journal of Chemistry

Phenothiazine based blue emitter for light-emitting electrochemical cells†

Kanagaraj Shanmugasundaram,a   Ramesh Kumar Chitumalla,b   Joonkyung Jang ORCID logo b  and  Youngson Choe ORCID logo *a  

* Corresponding authors

a School of Chemical and Biomolecular Engineering, Pusan National University, Busan 609-735, Republic of Korea
E-mail: choe@pusan.ac.kr
Fax: +8251 512 8634
Tel: +8251 510 2396

b Department of Nanoenergy Engineering, Pusan National University, Busan, Republic of Korea

Abstract

A butterfly shaped phenothiazine based electroluminescent material PPPSO2 was synthesized as an ionic small molecule emitter for light-emitting electrochemical cells (LECs). PPPSO2 shows deep blue emission in solution with high fluorescent quantum yield of 0.49. By employing the active molecule PPPSO2 as an emitter in LECs, the device shows electroluminescence centered at 498 nm with CIE coordinates of (0.21, 0.31) and maximum luminance of 509 cd m−2. The results show that the versatility of phenothiazine based luminescent materials such as high thermal stability and different emission color by tuning the oxidation state makes phenothiazine derivatives a prospective material for light-emitting devices.

Graphical abstract: Phenothiazine based blue emitter for light-emitting electrochemical cells

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Article information

DOI
https://doi.org/10.1039/C7NJ00976C
Article type
Paper
Submitted
24 Mar 2017
Accepted
24 Jul 2017
First published
24 Jul 2017

New J. Chem., 2017,41, 9668-9673

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Phenothiazine based blue emitter for light-emitting electrochemical cells

K. Shanmugasundaram, R. K. Chitumalla, J. Jang and Y. Choe, New J. Chem., 2017, 41, 9668 DOI: 10.1039/C7NJ00976C

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