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American Chemical Society, Journal of the American Chemical Society, 45(130), p. 14944-14945, 2008

DOI: 10.1021/ja805900e

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A Supramolecularly-Caged Ionic Iridium(III) Complex Yielding Bright and Very Stable Solid-State Light-Emitting Electrochemical Cells

Journal article published in 2008 by Stefan Graber, Kevin Doyle, Markus Neuburger, Catherine E. Housecroft, Edwin C. Constable, Rubén D. Costa ORCID, Enrique Ortí ORCID, Diego Repetto, Henk J. Bolink
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A new iridium(III) complex showing intramolecular interligand pi-stacking has been synthesized and used to improve the stability of single-component, solid-state light-emitting electrochemical cell (LEC) devices. The pi-stacking results in the formation of a very stable supramolecularly caged complex. LECs using this complex show extraordinary stabilities (estimated lifetime of 600 h) and luminance values (average luminance of 230 cd m-2) indicating the path toward stable ionic complexes for use in LECs reaching stabilities required for practical applications.