A new class of luminescent polypyridine complexes of rhenium(I) containing cis-carbonyl ligands

被引:32
作者
Schutte, E [1 ]
Helms, JB [1 ]
Woessner, SM [1 ]
Bowen, J [1 ]
Sullivan, BP [1 ]
机构
[1] Univ Wyoming, Dept Chem, Laramie, WY 82071 USA
关键词
D O I
10.1021/ic971199s
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A new class of long-lived luminescent complexes of the type cis-Re-I(CO)(2)(N-N)(P-P)(+) (where N-N is a chelate polypyridine ligand and P-P is a chelate phosphine) has been prepared. The new Re excited states are of extraordinary stability and exhibit redshifted spectral responses relative to the well-studied fac-Re(bpy)(CO)(3)L(+70) series (L is a variety of neutral and anionic ligands). Of primary interest are their extremely long lifetimes in CH2Cl2 solution, which could be a consequence of an energy gap law different from that of the tricarbonyl complexes.
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页码:2618 / +
页数:3
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