Excited-State Absorption and Circular Dichroism of Ruthenium(II) Tris(phenanthroline) in the Ultraviolet Region

Claire Niezborala; Francois Hache

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Excited-State Absorption and Circular Dichroism of Ruthenium(II) Tris(phenanthroline) in the Ultraviolet Region

机译：紫外区三（菲咯啉）钌（II）的激发态吸收和圆二色性

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Excitation of ruthenium(II) tris(phenanthroline) in the visible region results in the tranfer of an electron from the central atom toward one of the ligands.To probe this excited state,we have performed pump-induced absorption and circular dichroism in the ultraviolet wavelengths,in the intraligand pi-pi* transition region.On top of the bleaching of the ground state transitions,new structures appear in the absorption and CD spectra.Thanks to a classical calculation based on the polarizability theory,we can interpret these features as the result of a strong reduction of the excitonic coupling due to a blue shift of the pi-pi* transition in the reduced ligand accompanied by the onset of new excited-state transitions.

机译：在可见光区激发三（菲咯啉）钌会导致电子从中心原子向一个配体转移。为探测这种激发态，我们在紫外光中进行了泵浦诱导的吸收和圆二色性在基态跃迁的漂白作用之上，吸收和CD光谱中出现了新的结构。借助基于极化率理论的经典计算，我们可以将这些特征解释为：由于还原的配体中的pi-pi *跃迁发生蓝移并伴有新的激发态跃迁的发生，激子耦合强烈降低的结果。

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《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |2007年第32期|共4页
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Claire Niezborala; Francois Hache;
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1. Excited-State Absorption and Circular Dichroism of Ruthenium(II) Tris(phenanthroline) in the Ultraviolet Region [J] . Claire Niezborala, Francois Hache The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2007,第32期

机译：紫外区三（菲咯啉）钌（II）的激发态吸收和圆二色性
2. Electrochemically generated chemiluminescence of tris (2,2 '-bipyridine) ruthenium(II), tris(1,10-phenathroline)ruthenium(II) and tris(4,7-diphenyl-1,10-phenanthroline)ruthenium(II) complexes [J] . Kapturkiewicz A., Szrebowaty P. Journal of the Chemical Society. Dalton Transactions . 2002,第16期

机译：三（2,2'-联吡啶）钌（II），三（1,10-菲咯啉）钌（II）和三（4,7-二苯基-1,10-菲咯啉）钌（II）络合物的电化学化学发光
3. Luminescence Quenching of Ruthenium(II)-Tris(phenanthroline) by Cobalt(III)-Tris(phenanthroline) Bound to the Surface of Starburst Dendrimers [J] . Daniel ben-Avraham, L. S. Schulman, Stefan H. Bossmann, The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical . 1998,第26期

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8. Excited-State Acid-Base Reactions of Dicyanobis(2,2'-bipyridine)ruthenium(II) and Dicyanobis(1,10-phenanthroline)ruthenium(II) [R] . Peterson, S. H., Demas, J. N. 1978

机译：双氰基（2,2'-联吡啶）钌（II）和二氰基双（1,10-菲咯啉）钌（II）的激发态酸碱反应

Excited-State Absorption and Circular Dichroism of Ruthenium(II) Tris(phenanthroline) in the Ultraviolet Region

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