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Softening the donor set for light-emitting electrochemical cells : [Ir(ppy)(2)(N boolean AND N)](+), [Ir(ppy)(2)(P boolean AND P)](+) and [Ir(ppy)(2)(P boolean AND S)](+) salts

Constable, Edwin C. and Housecroft, Catherine E. and Schoenhofer, Ewald and Schoenle, Jonas and Zampese, Jennifer A.. (2012) Softening the donor set for light-emitting electrochemical cells : [Ir(ppy)(2)(N boolean AND N)](+), [Ir(ppy)(2)(P boolean AND P)](+) and [Ir(ppy)(2)(P boolean AND S)](+) salts. Polyhedron, 35 (1). pp. 154-160.

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Official URL: http://edoc.unibas.ch/dok/A6056190

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Abstract

The syntheses and solution characterizations of [Ir(ppy)(2)(1)[PF6] (1 =4,4`-di(2-furany1)-6,6`-dimethy12,2`-bipyridine), [Ir(ppy)(2)(dppe)1[PF6] (dppe =1,2-bis(diphenylphosphino)ethane), [Ir(ppy)(2)(2)][PF6] (2 =1,2-bis(diphenylphosphino)benzene) and [Ir(PPY)2(3)1[PF6] (3 = 2-diphenylphosphinothioanisole) are reported. Solutions of the iridium(Ill) complexes incorporating 1, 2 and dppe are photoluminescent, but [Ir(ppy)(2)(3)][PF6] is non-emissive. The single crystal structures of [Ir(ppy)(2)(1)][PF6]center dot 2CH(2)Cl(2). [Ir-(ppy)(2)(dppe)][PF6]. 4[1r(ppy)(2)(2][PF6]center dot 3CH(2)Cl(2) and [Ir(ppy)(2)(3)][PF6] have been determined, and the role of inter-ligand face-to-face It-stacking (a means of suppressing emission quenching) in the [Ir(ppy)(2)(ppy)(2)(dppe)](+), [Ir(ppy)(2)(2)](+) and [Ir(ppy)(2)(3)](+) cations is assessed.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Constable)
05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Housecroft)
UniBasel Contributors:Constable, Edwin Charles and Housecroft, Catherine Elizabeth
Item Type:Article, refereed
Publisher:Elsevier
ISSN:0277-5387
e-ISSN:1873-3719
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:10 Apr 2017 14:06
Deposited On:01 Feb 2013 08:41

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