Tetragold(I) Complexes: Solution Isomerization and Tunable Solid-State Luminescence
作者:Thuy Minh Dau、Yi-An Chen、Antti J. Karttunen、Elena V. Grachova、Sergey P. Tunik、Ke-Ting Lin、Wen-Yi Hung、Pi-Tai Chou、Tapani A. Pakkanen、Igor O. Koshevoy
DOI:10.1021/ic501470v
日期:2014.12.15
study, a new family of tetranuclear gold(I) triphosphine derivatives bearing alkynyl and thiolate groups have been efficiently synthesized by treating the polymeric acetylides (AuC2R)n or a thiolate (AuSPh)n sequentially with the (a) phosphine ligand and (b) cationic complex [Au3(P^P^P)2]3+ (P^P^P = PPh2CH2PPhCH2PPh2). The clusters [Au4(P^P^P)2(C2R)2]2+ [R = Ph (1), biphenyl (2), terphenyl (3), C6H4OMe
在这项研究中,通过依次用(a)膦配体处理聚合物乙炔(AuC 2 R)n或硫醇盐(AuSPh)n,已有效合成了带有炔基和硫醇盐基团的四核金(I)四核金新衍生物家族。(b)阳离子络合物[Au 3(P ^ P ^ P)2 ] 3+(P ^ P ^ P = PPh 2 CH 2 PPhCH 2 PPh 2)。簇[Au 4(P ^ P ^ P)2(C 2 R)2 ] 2+ [R = Ph(1),联苯(2),三联苯(3),C 6 H 4 OMe(4),C 6 H 4 NMe 2(5),C 6 H 11 O(6)和C 6 H 4 CF 3(7)]和[Au 4(P ^ P通过固态的X射线晶体学表征^ P)2(SPh)2 ] 2+(8)。溶液中的NMR光谱研究表明,大部分炔基簇1 – 7在缓慢的化学平衡中以两个异构体形式存在。所有配合物1 – 8在固态下均表现出中等至强的光发射,量子产率为0.07至0.51
Dinuclear Diphosphine Complexes of Gold(I) Alkynyls, the Effects of Alkynyl Substituents onto Photophysical Behavior
作者:Julia R. Shakirova、Masaki Shimada、Dmitrii A. Olisov、Galina L. Starova、Hiroshi Nishihara、Sergey P. Tunik
DOI:10.1002/zaac.201700415
日期:2018.3.15
diphosphine complexes of gold(I) alkynyls containing bis(diphenylphosphanyl)ethane/propane and alkynyl ligands with aromatic substituents (biphenyl, pyrene, and azobenzene) was synthesized and characterized using X‐ray crystallography and NMR spectroscopy. Photophysical parameters of the compounds obtained strongly depend on the nature of aromatic substituents in the alkynyl ligands. Azobenzene containing
Synthesis, characterization and photophysical properties of gold(I)–copper(I) alkynyl clusters with 1,4-bis(diphenylphosphino)butane, effect of the diphosphine ligand on luminescence characteristics
作者:Ilya S. Krytchankou、Dmitry V. Krupenya、Vladislav V. Gurzhiy、Andrey A. Belyaev、Antti J. Karttunen、Igor O. Koshevoy、Alexey S. Melnikov、Sergey P. Tunik
DOI:10.1016/j.jorganchem.2012.09.003
日期:2013.1
with those observed in the congeners based on the aromatic diphosphine (PPh2C6H4PPh2) showed considerable blue shift of the emission band maxima in the complexesunder study. The theoretical DFT calculations indicated that the triplet emission in 1–7 is mainly determined by electron transitions inside the cluster core with some admixture of MLCT character, the contribution of which plays more important
AuC 2 R} n聚合物的反应(R = –C 6 H 4 NO 2,–C 6 H 5,–C 6 H 4 Ph,–C 6 H 4 OMe,–C 6 H 4 NMe 2,- C(OH)Me 2,–C 6 H 10(OH))与化学计量的1,4-双(二苯基膦基)丁烷和Cu(I)离子提供通式[Au 6 Cu 2(C 2 -R)6(PPh 2(CH 2)4 PPh 2)3 ](PF 6)2。得到的(化合物1 - 7显示常见的“棒式带”与“的Cu结构基序)2 的Au(C 2 R)2 } 3 ”中央集群由的Au缠绕芯3(PH 2(P CH 2)4 PPh 2)3 }皮带。通过X射线晶体学以固态显示该结构图案,并使用NMR光谱法在溶液中确认该结构图案。配合物6和7在炔基配体中含有羟基取代基的化合物显示出由于簇核心内部的氢键而导致的结构变形。所有研究的配合物在二氯甲烷溶液中均表现出强烈的磷光,其特征取
Gold(I)–Alkynyl Complexes with an N‐Donor Heterocyclic Ligand: Synthesis and Photophysical Properties
作者:Julia R. Shakirova、Olesya A. Tomashenko、Elena V. Grachova、Galina L. Starova、Vladimir V. Sizov、Alexander F. Khlebnikov、Sergey P. Tunik
DOI:10.1002/ejic.201700731
日期:2017.10.2
A series of Au(I) alkynyl complexes containing a novel N-donor ligand (2-phenylpyrido[2,1-a]pyrrolo[3,2-c]isoquinoline) coordinated through pyrrol-nitrogen has been synthesized and characterized using X-ray crystallography and NMR spectroscopy. The compounds obtained are luminescent in solution and in solid state, and emission intensity depends on the nature of alkynyl ligand to give values of quantum
Synthesis, photophysics and photochemistry of alkynylgold(I) phosphine complexes
作者:Vivian Wing-Wah Yam、Sam Wing-Kin Choi
DOI:10.1039/dt9960004227
日期:——
A series of alkynylgold(I) phosphine complexes with various bridging phosphines and acetylide ligands have been synthesized. All complexes have been shown to exhibit rich photophysical and photochemical behaviour. A systematic comparative study on their spectroscopy and photophysics has been attempted. The complexes undergo facile electron-transfer reactions with pyridinium electron acceptors. The redox nature of the quenching reactions has been established by time-resolved transient absorption spectroscopy.