[(C⁁N⁁N)Pt(CC)nR] (HC⁁N⁁N = 6-aryl-2,2′-bipyridine, n = 1–4, R = aryl, SiMe3) as a new class of light-emitting materials and their applications in electrophosphorescent devices

Wei Lu; Bao-Xiu Mi; Michael C. W. Chan; Zheng Hui; Nianyong Zhu; Shuit-Tong Lee; Chi-Ming Che

doi:10.1039/B108793B

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[(C⁁N⁁N)Pt(CC)_nR] (HC⁁N⁁N = 6-aryl-2,2′-bipyridine, n = 1–4, R = aryl, SiMe₃) as a new class of light-emitting materials and their applications in electrophosphorescent devices†

Wei Lu,^a Bao-Xiu Mi,^b Michael C. W. Chan,^a Zheng Hui,^a Nianyong Zhu,^a Shuit-Tong Lee^b and Chi-Ming Che*^a

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* Corresponding authors

^a Department of Chemistry and the HKU-CAS Joint Laboratory on New Materials, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
E-mail: cmche@hku.hk

^b Centre of Super-Diamond and Advanced Films and Department of Physics and Materials Science, City University of Hong Kong, Kowloon, Hong Kong SAR, China

Abstract

Tridentate cyclometalated platinum(II) complexes bearing σ-alkynyl ligands exhibit tunable photoluminescence and enhanced stability during vacuum deposition; OLEDs based on these materials display orange to red electrophosphorescence with low turn-on voltages (∼4 V), maximum luminance approaching 10000 cd m⁻² and efficiency up to 4.2 cd A⁻¹.

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Article information

DOI: https://doi.org/10.1039/B108793B
Article type: Communication
Submitted: 28 Sep 2001
Accepted: 23 Nov 2001
First published: 07 Jan 2002

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Chem. Commun., 2002, 206-207

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[(C⁁N⁁N)Pt(CC)_nR] (HC⁁N⁁N = 6-aryl-2,2′-bipyridine, n = 1–4, R = aryl, SiMe₃) as a new class of light-emitting materials and their applications in electrophosphorescent devices

W. Lu, B. Mi, M. C. W. Chan, Z. Hui, N. Zhu, S. Lee and C. Che, Chem. Commun., 2002, 206 DOI: 10.1039/B108793B

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