Photophysical properties of tricarbonyl(histidine)(diimine)rhenium(I) complexes in aqueous solution

Ren Jay Lin, Keh Shiou Lin, I. Jy Chang*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

23 引文 斯高帕斯(Scopus)

摘要

Four tricarbonyl(histidine)(diimine)rhenium(I) complexes have been prepared, where diimine is 2,2′-bipyridine (bpy), 4,4′-dicarboxyl-2,2′-bipyridine (bpy(COO)2)2-, 1,10-phenanthroline (phen), and disulfonate 4,7-diphenyl-1,10-phenanthroline (phen-(phSO3)2)2-. All complexes exhibit metal-to-ligand charge-transfer (MLCT) absorption in the 350-380 nm range. Excitation into the MLCT absorption bands results in orange luminescence. The emission maxima for these complexes range from 580 to 625 nm in aqueous solution at room temperature. The excited-state energy, broad emission profiles, and long excited-state lifetimes indicate emission from a 3MLCT state. The complexes with phen-type diimine ligands have much longer lifetimes than those with bpy-type diimine ligands: Re(phen(phSO3)2)(CO)3(His)-, τ = 170 ns; Re(phen)(CO)3(His)+, τ = 100 ns.

原文英語
頁(從 - 到)179-183
頁數5
期刊Inorganica Chimica Acta
242
發行號1-2
DOIs
出版狀態已發佈 - 1996 二月 15

ASJC Scopus subject areas

  • 物理與理論化學
  • 無機化學
  • 材料化學

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