A cationic iridium complex meets an electron-transporting counter-anion: enhanced performances of solution-processed phosphorescent light-emitting diodes

Ningzi Luo; Ying Lan; Ruiren Tang; Lei He; Lian Duan

doi:10.1039/c6cc08285h

A cationic iridium complex meets an electron-transporting counter-anion: enhanced performances of solution-processed phosphorescent light-emitting diodes

Chem Commun (Camb). 2016 Dec 13;52(100):14466-14469. doi: 10.1039/c6cc08285h.

Authors

Ningzi Luo¹, Ying Lan¹, Ruiren Tang¹, Lei He¹, Lian Duan²

Affiliations

¹ College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, P. R. China. [email protected].
² Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.

PMID: 27901529
DOI: 10.1039/c6cc08285h

Abstract

An electron-transporting counter-anion, OXD-7-SO₃^-, was developed for a blue-green-emitting cationic iridium complex, which showed superior device performance in solution-processed phosphorescent light-emitting diodes over its counterpart complex with a PF₆^- counter-anion, due to the facilitated electron-injection/transport and more balanced carrier recombination imparted by OXD-7-SO₃^-.