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- Title
Synthesis, structure, and luminescence of rhenium(I) complexes with substituted bipyridines.
- Authors
Xia, Hong; Liu, Xiaoming; Wu, Qiaolin; Zhang, Yuwei; Gao, Wei; Mu, Ying
- Abstract
Two new rhenium(I) complexes chelated by a substituted 2,2′-bipyridine with general formula Re(CO)3LCl, where L = 6 -(2″-methoxyphenyl)-2,2′-bipyridine (L1 ) and 6 -(4″-diphenylaminophenyl)-2,2′-bipyridine (L2 ), are synthesized and characterized by IR, NMR, and elemental analysis. Structure of 1 was determined by single-crystal X-ray crystallography, revealing that rhenium is six-coordinate octahedral. The electrochemical, photophysical, and thermal properties of the two rhenium(I) complexes were investigated. Electroluminescent devices were fabricated by doping 1 in polymer blend host of poly(vinylcarbazole) and 2-tert-butylphenyl-5-biphenyl-1,3,4-oxadiazole using simple solution spin-coating technique. The device exhibits a maximum current efficiency of 2.97 cd A−1 and peak brightness in excess of 2390 cd m−2.
- Subjects
TRANSITION metal complexes; ORGANORHENIUM compounds; CRYSTAL structure; ELECTROLUMINESCENCE; COMPLEX compounds synthesis; BIPYRIDINE; X-ray crystallography; ELECTROCHEMICAL analysis
- Publication
Journal of Coordination Chemistry, 2012, Vol 65, Issue 7, p1266
- ISSN
0095-8972
- Publication type
Academic Journal
- DOI
10.1080/00958972.2012.671479