Issue 18, 2015
From the journal:

Dalton Transactions

Tetraphenylborate versus tetraimidazolylborate as counterions for cationic iridium(iii) complexes: enhanced electrochemical stabilities and electroluminescence†

Dongxin Ma,a   Lian Duan*a  and  Yong Qiua  

* Corresponding authors

a Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
E-mail: duanl@mail.tsinghua.edu.cn
Fax: +86-10-62795137
Tel: +86-10-62788802

Abstract

Tetraimidazolylborate is first used as the counterion of two novel ionic iridium complexes, instead of tetraphenylborate. Both the electrochemical stabilities and electroluminescence are sharply improved. Organic light-emitting diodes have been successfully fabricated with a high current efficiency of 9.48 cd A−1 and a maximum brightness of 5163 cd m−2.

Graphical abstract: Tetraphenylborate versus tetraimidazolylborate as counterions for cationic iridium(iii) complexes: enhanced electrochemical stabilities and electroluminescence

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Article information

DOI
https://doi.org/10.1039/C4DT02830A
Article type
Paper
Submitted
16 Sep 2014
Accepted
24 Oct 2014
First published
04 Nov 2014

Dalton Trans., 2015,44, 8521-8528

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Tetraphenylborate versus tetraimidazolylborate as counterions for cationic iridium(III) complexes: enhanced electrochemical stabilities and electroluminescence

D. Ma, L. Duan and Y. Qiu, Dalton Trans., 2015, 44, 8521 DOI: 10.1039/C4DT02830A

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