http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Ma, Ai-Feng,Seo, Hoe-Joo,Jin, Sung-Ho,Yoon, Ung-Chan,Hyun, Myeong-Ho,Kang, Sung-Kwon,Kim, Young-Inn Korean Chemical Society 2009 Bulletin of the Korean Chemical Society Vol.30 No.11
Three novel phosphorescent 2-phenylpyridine-based iridium(III) complexes, $[(ppy)_2Ir(P\^{}N)]PF6\;(1),\;[(dfppy)_2Ir(P\^{}N)]PF_6$ (2), and $[(dfmppy)_2 Ir(P\^{}N)]PF6$ (3), where $P\^{}N$ = 2-[(diphenylphosphino)methyl]pyridine (dppmp), were synthesized and characterized. The absorption, photoluminescence, cyclic voltammetry and thermal stability of the complexes were investigated. The complexes showed bright blue luminescences at wavelengths of 448 $\sim$ 500 nm at room temperature in $CHCl_3$ and revealed that the $\pi$-acceptor ability of the phosphorous atom in the ancillary dppmp ligand plays an important role in tuning emission color resulting in a blue-shift emission. The single crystal structure of $[(dfmppy))_2Ir(P\^N)]PF_6$ was determined using X-ray crystallography. The iridium metal center adopts a distorted octahedral structure coordinated to two dfmppy and one dppmp ligand, showing cis C-C and trans N-N chelate dispositions. There is a $\pi-\pi$ overlap between π electrons delocalized in the difluorophenyl rings.
Ai-Feng Ma,Hoe-Joo Seo,진성호,윤웅찬,현명호,강성권,김영인 대한화학회 2009 Bulletin of the Korean Chemical Society Vol.30 No.11
Three novel phosphorescent 2-phenylpyridine-based iridium(III) complexes, [(ppy)2Ir(P^N)]PF6 (1), [(dfppy)2Ir(P^N)] PF6 (2), and [(dfmppy)2 Ir(P^N)]PF6 (3), where P^N = 2-[(diphenylphosphino)methyl]pyridine (dppmp), were synthesized and characterized. The absorption, photoluminescence, cyclic voltammetry and thermal stability of the complexes were investigated. The complexes showed bright blue luminescences at wavelengths of 448 ~ 500 nm at room temperature in CHCl3 and revealed that the π-acceptor ability of the phosphorous atom in the ancillary dppmp ligand plays an important role in tuning emission color resulting in a blue-shift emission. The single crystal structure of [(dfmppy)2 Ir(P^N)]PF6 was determined using X-ray crystallography. The iridium metal center adopts a distorted octahedral structure coordinated to two dfmppy and one dppmp ligand, showing cis C-C and trans N-N chelate dispositions. There is a π-π overlap between π electrons delocalized in the difluorophenyl rings.