Beyond a T-shape

被引:82
作者
Sinha, P [1 ]
Wilson, AK [1 ]
Omary, MA [1 ]
机构
[1] Univ N Texas, Dept Chem, Denton, TX 76203 USA
关键词
D O I
10.1021/ja053895u
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Varying the steric bulk of either the phosphine or the halide in Au(PR3)2X complexes allows intuitive tuning of the phosphorescence energy to multiple visible colors, including the coveted blue for LED applications. The excited-state structure involves distortion of the trigonal coordination sphere beyond a T-shape. The [Au(TPA)2]Cl complex exhibits orange phosphorescence due to exciplex formation with the counterion to form the same type of excited state, representing the first example of a luminescent two-coordinate Au(I) complex in absence of both Au⋯Au interactions and aromatic moieties. Copyright © 2005 American Chemical Society.
引用
收藏
页码:12488 / 12489
页数:2
相关论文
共 20 条
[1]   Three-coordinate, luminescent, water-soluble gold(I) phosphine complexes: structural characterization and photoluminescence properties in aqueous solution [J].
Assefa, Z ;
Forward, JM ;
Grant, TA ;
Staples, RJ ;
Hanson, BE ;
Mohamed, AA ;
Fackler, JP .
INORGANICA CHIMICA ACTA, 2003, 352 :31-45
[2]   Bis(1,3,5-triaza-7-phosphaadamantane-P)-gold(I) chloride [J].
Assefa, Z ;
Staples, RJ ;
Fackler, JP .
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 1996, 52 (pt 2) :305-307
[3]   Jahn-Teller distortion in the phosphorescent excited state of three-coordinate Au(I) phosphine complexes [J].
Barakat, KA ;
Cundari, TR ;
Omary, MA .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (47) :14228-14229
[4]   Phosphorescent excited state of [Au2{(Ph2Sb)2O}3]2+:: Jahn-Teller distortion at only one gold(I) center [J].
Bojan, VR ;
Fernández, EJ ;
Laguna, A ;
López-De-Luzuriaga, JM ;
Monge, M ;
Olmos, ME ;
Silvestru, C .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (33) :11564-11565
[5]  
BOWMAKER GA, 1989, J CHEM SOC DA, P1089
[6]   Strongly luminescent three-coordinate gold(I) polymers: 1D chain-link fence and 2D chickenwire structures [J].
Brandys, MC ;
Puddephatt, RJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (20) :4839-4840
[7]  
BURRESS C, 2005, J AM CHEM SOC
[8]   Luminescent gold(I) and silver(I) complexes of 2-(diphenylphosphino)-1-methylimidazole (dpim): Characterization of a three-coordinate Au(I)-Ag(I) dimer with a short metal-metal separation [J].
Catalano, VJ ;
Horner, SJ .
INORGANIC CHEMISTRY, 2003, 42 (25) :8430-8438
[9]   Excited-state acid-base chemistry: Evidence for a dissociative excited state [J].
Fan, JW ;
Helmy, R ;
Kassis, A ;
Grunseich, A ;
Mangubat, P ;
Hicks, C ;
Stevens, N ;
Gafney, HD .
INORGANIC CHEMISTRY, 2003, 42 (08) :2486-2488
[10]   PHOTOLUMINESCENCE OF GOLD(I) PHOSPHINE COMPLEXES IN AQUEOUS-SOLUTION [J].
FORWARD, JM ;
ASSEFA, Z ;
FACKLER, JP .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1995, 117 (35) :9103-9104