Bis(arylimidazole) iridium picolinate emitters and preferential dipole orientation in films

A.J. Huckaba; A. Senes; S. Aghazada; A. Babaei; S.C.J. Meskers; I. Zimmermann; P. Schouwink; N. Gasilova; R.A.J. Janssen; H.J. Bolink; M.K. Nazeeruddin

doi:10.1021/acsomega.8b00137

Bis(arylimidazole) iridium picolinate emitters and preferential dipole orientation in films

A.J. Huckaba, A. Senes, S. Aghazada, A. Babaei, S.C.J. Meskers, I. Zimmermann, P. Schouwink, N. Gasilova, R.A.J. Janssen, H.J. Bolink, M.K. Nazeeruddin

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Abstract

The straightforward synthesis and photophysical properties of a new series of heteroleptic iridium(III) bis(2-arylimidazole) picolinate complexes are reported. Each complex has been characterized by nuclear magnetic resonance, UV-vis, cyclic voltammetry, and photoluminescent angle dependency, and the emissive properties of each are described. The preferred orientation of transition dipoles in emitter/host thin films indicated more preferred orientation than homoleptic complex Ir(ppy)₃.

Original language	English
Pages (from-to)	2673-2682
Number of pages	10
Journal	ACS Omega
Volume	3
Issue number	3
DOIs	https://doi.org/10.1021/acsomega.8b00137
Publication status	Published - 31 Mar 2018

Funding

The authors acknowledge SNSF NRP 70 project; number: 407040 154056, European Commission H2020-ICT-2014-1, SOLEDLIGHT project, grant agreement no.: 643791 and the Swiss State Secretariat for Education, Research and Innovation (SERI), and CTI 15864.2 PFNM-NM, the HZB-HU Graduate School “hybrid4energy,” and Solaronix, Aubonne, Switzerland. A.H. acknowledges support from special funding for energy research, managed by Prof. Andreas ZÜTTEL, Funds no. 563074. Part of work was performed in the framework of the TripleSolar (ERC Adv grant no. 339031) project, and received funding from the Ministry of Education, Culture and Science (Gravity program 024.001.035).

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10.1021/acsomega.8b00137

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abstract = "The straightforward synthesis and photophysical properties of a new series of heteroleptic iridium(III) bis(2-arylimidazole) picolinate complexes are reported. Each complex has been characterized by nuclear magnetic resonance, UV-vis, cyclic voltammetry, and photoluminescent angle dependency, and the emissive properties of each are described. The preferred orientation of transition dipoles in emitter/host thin films indicated more preferred orientation than homoleptic complex Ir(ppy)3.",

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doi = "10.1021/acsomega.8b00137",

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T1 - Bis(arylimidazole) iridium picolinate emitters and preferential dipole orientation in films

AU - Huckaba, A.J.

AU - Senes, A.

AU - Aghazada, S.

AU - Babaei, A.

AU - Meskers, S.C.J.

AU - Zimmermann, I.

AU - Schouwink, P.

AU - Gasilova, N.

AU - Janssen, R.A.J.

AU - Bolink, H.J.

AU - Nazeeruddin, M.K.

PY - 2018/3/31

Y1 - 2018/3/31

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AB - The straightforward synthesis and photophysical properties of a new series of heteroleptic iridium(III) bis(2-arylimidazole) picolinate complexes are reported. Each complex has been characterized by nuclear magnetic resonance, UV-vis, cyclic voltammetry, and photoluminescent angle dependency, and the emissive properties of each are described. The preferred orientation of transition dipoles in emitter/host thin films indicated more preferred orientation than homoleptic complex Ir(ppy)3.

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DO - 10.1021/acsomega.8b00137

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IS - 3

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Bis(arylimidazole) iridium picolinate emitters and preferential dipole orientation in films

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CCDC 1583690: Experimental Crystal Structure Determination

CCDC 1584183: Experimental Crystal Structure Determination

CCDC 1583689: Experimental Crystal Structure Determination

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Bis(arylimidazole) iridium picolinate emitters and preferential dipole orientation in films

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CCDC 1583690: Experimental Crystal Structure Determination

CCDC 1584183: Experimental Crystal Structure Determination

CCDC 1583689: Experimental Crystal Structure Determination

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