Coordination complexes exhibiting room-temperature phosphorescence: Evaluation of their suitability as triplet emitters in organic light emitting diodes

被引:1037
作者
Evans, Rachel C.
Douglas, Peter
Winscom, Christopher J.
机构
[1] Univ Coll Swansea, Dept Chem, Swansea SA2 8PP, W Glam, Wales
[2] Kodak European Res, Cambridge CB4 0FW, England
关键词
coordination complex; organic light-emitting diode; OLED; phosphorescence; triplet emitter;
D O I
10.1016/j.ccr.2006.02.007
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The aim of this review is to evaluate the potential of known main-group, transition metal and lanthanide complexes exhibiting room-temperature phosphorescence, either for direct application as dopants in the emissive layer of OLED devices, or as an aid to deduce which structural trends might lead to new materials for this purpose. A systematic analysis of emission characteristics such as wavelength, quantum yields and lifetimes is given for known classes of complexes and their suitability as OLED phosphors evaluated. Blue electroluminescent devices remain to date the most challenging area of this technology, and polynuclear copper(I), mono-, di- and polynuclear gold(I) and osmium(II) complexes are identified as being of particular promise in this regard. Heterobimetallic complexes are also identified as being of interest because of the possibility for emission tuning, by suitable choice of metals and ligands, which these complexes may offer. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:2093 / 2126
页数:34
相关论文
共 289 条
  • [1] Nearly 100% internal phosphorescence efficiency in an organic light-emitting device
    Adachi, C
    Baldo, MA
    Thompson, ME
    Forrest, SR
    [J]. JOURNAL OF APPLIED PHYSICS, 2001, 90 (10) : 5048 - 5051
  • [2] Endothermic energy transfer: A mechanism for generating very efficient high-energy phosphorescent emission in organic materials
    Adachi, C
    Kwong, RC
    Djurovich, P
    Adamovich, V
    Baldo, MA
    Thompson, ME
    Forrest, SR
    [J]. APPLIED PHYSICS LETTERS, 2001, 79 (13) : 2082 - 2084
  • [3] High-efficiency organic electrophosphorescent devices with tris(2-phenylpyridine)iridium doped into electron-transporting materials
    Adachi, C
    Baldo, MA
    Forrest, SR
    Thompson, ME
    [J]. APPLIED PHYSICS LETTERS, 2000, 77 (06) : 904 - 906
  • [4] High efficiency single dopant white electrophosphorescent light emitting diodes
    Adamovich, V
    Brooks, J
    Tamayo, A
    Alexander, AM
    Djurovich, PI
    D'Andrade, BW
    Adachi, C
    Forrest, SR
    Thompson, ME
    [J]. NEW JOURNAL OF CHEMISTRY, 2002, 26 (09) : 1171 - 1178
  • [5] ALBANO G, 1999, J CHEM SOC CHEM COMM, P1170
  • [6] Synthesis, structure and luminescence properties of samarium (III) and dysprosium (III) complexes with a new tridentate organic ligand
    An, BL
    Gong, ML
    Li, MX
    Zhang, JM
    [J]. JOURNAL OF MOLECULAR STRUCTURE, 2004, 687 (1-3) : 1 - 6
  • [7] Spectral and photophysical properties of mono and dinuclear Pt(II) and Pd(II) complexes: An unusual emission behaviour
    Anbalagan, V
    Srivastava, TS
    [J]. POLYHEDRON, 2004, 23 (18) : 3173 - 3183
  • [8] Synthesis, spectroscopy and electrochemistry of mixed-ligand complexes of platinum(II) and palladium(II)
    Anbalagan, V
    Srinivasan, R
    Pallavi, KS
    [J]. TRANSITION METAL CHEMISTRY, 2001, 26 (06) : 603 - 607
  • [9] Comprehensive study of the luminescent properties and lifetimes of Eu3+ and Tb3+ chelated with various ligands in aqueous solutions:: influence of the synergic agent, the surfactant and the energy level of the ligand triplet
    Arnaud, N
    Georges, J
    [J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 2003, 59 (08) : 1829 - 1840
  • [10] Phosphorescent materials for application to organic light emitting devices
    Baldo, MA
    Thompson, ME
    Forrest, SR
    [J]. PURE AND APPLIED CHEMISTRY, 1999, 71 (11) : 2095 - 2106