1,10-Phenanthroline-dithiine iridium and ruthenium complexes: synthesis, characterization and photocatalytic dihydrogen evolution†,Photochemical & Photobiological Sciences

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1,10-Phenanthroline-dithiine iridium and ruthenium complexes: synthesis, characterization and photocatalytic dihydrogen evolution†
Photochemical & Photobiological Sciences ( IF 2.7 ) Pub Date : 2018-06-04 00:00:00 , DOI: 10.1039/c8pp00068a
E. Erdmann _{1,

2,

3,

4,

5} , A. Villinger _{5,

6,

7,

8} , B. König _{1,

2,

3,

4,

5} , W. W. Seidel _{5,

6,

7,

8}

Affiliation

We report the synthesis and the spectroscopic and electrochemical properties of six mononuclear iridium(III) and ruthenium(II) complexes bearing S,S′-extended phenanthroline ligands. Starting from 5,6-dibromide-1,10-phenanthroline, the dithiine derivatives N,N′-1,10-phenanthrolinedithiino[2,3-b]quinoxaline and N,N′-1,10-phenanthrolinedithiino[2,3-b]benzene were prepared by primary N,N′-complexation of the dibromo derivative and subsequent nucleophilic substitution at the complex. The photoluminescence of the phenanthroline-dithiine containing complexes shows distinctively increased lifetimes for all Ir(III) and Ru(II) complexes. The activity of the series of Ir(III) and Ru(II) complexes as photosensitizers in visible-light photocatalytic water reduction is demonstrated by dihydrogen evolution with a [Fe₃(CO)₁₂] catalyst and triethylamine as a sacrificial donor.

中文翻译：

1,10-菲咯啉-二硫代铱和钌配合物：合成，表征和光催化二氢演化†

我们报告的合成，光谱和电化学性质的六个单核铱（III）和钌（II）配合物带有S，S '扩展的菲咯啉配体。从5,6-二溴化物-1,10-菲咯啉开始，dithiine衍生物Ñ，Ñ '-1,10-phenanthrolinedithiino [2,3- b ]喹喔啉和Ñ，Ñ '-1,10-phenanthrolinedithiino [2,3 - b ]苯通过初级制备ñ，ñ二溴衍生物的'-络合和随后在络合物处的亲核取代。包含菲咯啉-二硫氨酸的配合物的光致发光显示所有Ir（III）和Ru（II）配合物的寿命都有明显增加。Ir（III）和Ru（II）系列配合物在可见光光催化减水中作为光敏剂的活性通过用[Fe ₃（CO）₁₂ ]催化剂和三乙胺作为牺牲供体的二氢释放来证明。

更新日期：2018-06-04

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