Issue 33, 2015

Ir(iii) complexes designed for light-emitting devices: beyond the luminescence color array

Abstract

In pursuing novel efficient lighting technologies and materials, phosphorescent cyclometallated Ir(III) complexes have been prominent due to their wide color arrays and highly efficient electroluminescence. Their photophysical properties are strongly influenced by spin–orbit coupling exerted by the iridium core, usually resulting in intense, short-lived emission, which can be systematically tuned as a triumph of molecular engineering. This Perspective aims to present recent breakthroughs and state of the art on emissive Ir(III) compounds, in particular a personal account on heteroleptic [Ir(N^C)2(L^X)]+ complexes, addressing the mechanistic concepts behind their luminescence. Their fascinating photophysical properties strengthen application in more-efficient light-emitting technologies, such as organic light-emitting diodes and light-emitting electrochemical cells.

Graphical abstract: Ir(iii) complexes designed for light-emitting devices: beyond the luminescence color array

Supplementary files

Article information

Article type
Perspective
Submitted
01 May 2015
Accepted
04 Jun 2015
First published
04 Jun 2015

Dalton Trans., 2015,44, 14559-14573

Author version available

Ir(III) complexes designed for light-emitting devices: beyond the luminescence color array

K. P. S. Zanoni, R. L. Coppo, R. C. Amaral and N. Y. Murakami Iha, Dalton Trans., 2015, 44, 14559 DOI: 10.1039/C5DT01644D

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