Issue 12, 2017
From the journal:

Journal of Materials Chemistry C

Synthesis and characterization of perfluorinated phenyl-substituted Ir(iii) complex for pure green emission†

Myeong-Jong Kim,‡a   Seung-Jun Yoo,‡b   Jaeyoung Hwang,c   Sung-Jin Park,a   Jae-Wook Kang, ORCID logo d   Yun-Hi Kim, ORCID logo *c   Jang-Joo Kim*b  and  Soon-Ki Kwon*a  

* Corresponding authors

a School of Materials Science and Engineering & Engineering Research Institute (ERI), Gyeongsang National University, Jinju, South Korea
E-mail: skwon@gnu.ac.kr

b Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul 151-744, South Korea
E-mail: jjkim@snu.ac.kr

c Department of Chemistry, and Research Institute for Green Energy Convergence Technology (RIGET), Gyeongsang National University, Jinju, South Korea
E-mail: ykim@gnu.ac.kr

d Professional Graduate School of Flexible and Printable Electronics, Department of Flexible and Printable Electronics, Chonbuk National University, Jeonju 561-756, South Korea

Abstract

A new deep green-emitting material, a 3,5-bis(trifluoromethyl)phenylene-substituted iridium(III) complex, fac-tris[2-(3′,5′-bis(trifluoromethyl)biphenyl-3-yl)pyridine]iridium (Ir(mtfppy)3), was synthesized. Introducing bulky 3,5-bis(trifluoromethyl)phenylene to the metaposition of pyridyl-phenyl results in blue-shifted narrow emission compared to that of Ir(ppy)3. The organic light-emitting diode (OLED) based on Ir(mtfppy)3 shows a maximum external quantum efficiency (EQE) of 23.2% with the CIE coordinates of (0.26, 0.63) without strong microcavity effect.

Graphical abstract: Synthesis and characterization of perfluorinated phenyl-substituted Ir(iii) complex for pure green emission

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Article information

DOI
https://doi.org/10.1039/C6TC05558C
Article type
Paper
Submitted
23 Dec 2016
Accepted
15 Feb 2017
First published
23 Feb 2017

J. Mater. Chem. C, 2017,5, 3107-3111

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Synthesis and characterization of perfluorinated phenyl-substituted Ir(III) complex for pure green emission

M. Kim, S. Yoo, J. Hwang, S. Park, J. Kang, Y. Kim, J. Kim and S. Kwon, J. Mater. Chem. C, 2017, 5, 3107 DOI: 10.1039/C6TC05558C

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