Red-light-emitting electrochemical cell using a polypyridyl iridium(III) polymer

José Lorenzo Rodríguez-Redondo; Rubén D. Costa; Enrique Ortí; Angela Sastre-Santos; Henk J. Bolink; Fernando Fernández-Lázaro

doi:10.1039/B910105E

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Dalton Transactions

Issue 44, 2009

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Red-light-emitting electrochemical cell using a polypyridyl iridium(III) polymer

José Lorenzo Rodríguez-Redondo , Rubén D. Costa , Enrique Ortí , Angela Sastre-Santos , Henk J. Bolink and Fernando Fernández-Lázaro

Dalton Trans., 2009, 9787-9793

DOI: 10.1039/B910105E
Received 22 May 2009, Accepted 11 Sep 2009
First published on the web 29 Sep 2009

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A deep-red phosphorescent ionic iridium(III) complex is prepared and incorporated into a polymer. Both the complex (1) and the polymer (2) were used as the single active material in solid-state light-emitting electrochemical cells (LECs). The devices built up using 1 and 2 emit in the deep-red region of the visible spectrum with CIE coordinates x = 0.710; y = 0.283 and x = 0.691; y = 0.289, respectively, making them one of the deepest-red emitting LECs reported. It is the first example of a polymeric LEC incorporating an ionic iridium complex, which exhibits increased stabilities compared with the device based on the small molecular weight complex.

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Partial ¹H-NMR of compounds 2 and 7, DQF-COSY of compound 7, HSQC of compounds 1 and 7.
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José Lorenzo Rodríguez-Redondo
Rubén D. Costa
Enrique Ortí
Angela Sastre-Santos
Henk J. Bolink
Fernando Fernández-Lázaro

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Dalton Transactions

Red-light-emitting electrochemical cell using a polypyridyl iridium(III) polymer

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