Journal ArticleDOI
Characterization of the Excited State Properties of Some New Photosensitizers of the Ruthenium (Polypyridine) Family
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TLDR
The photophysical and electron transfer properties of the lowest excited state of nine ruthenium (polypyridine) complexes have been characterized in this article, where the results show that the Ru (bpy)2(DMCH)2+ complex is expected to be a more efficient mediator than Ru(bpy)-2+3 in the water splitting reaction by solar energy.Abstract:
The photophysical and electron transfer properties of the lowest excited state of nine ruthenium (polypyridine) complexes have been characterized. The complexes studied are Ru (bpy)3-n (LL)2+n, where n varies from 0 to 3, and LL is 4, 4′-di-t-butyl-2,2′-bipyridine (DTB-bpy), 3, 3′-dimethyl-2, 2′-bipyridine (DM-bpy), or a 2, 2′-diquinolyl derivative (DMCH). The results obtained show that the Ru (bpy)2(DMCH)2+ complex is expected to be a more efficient mediator than Ru (bpy)2+3 in the water-splitting reaction by solar energy.read more
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Journal ArticleDOI
Visible Light Photoredox Catalysis with Transition Metal Complexes: Applications in Organic Synthesis
TL;DR: The conversion of these bench stable, benign catalysts to redox-active species upon irradiation with simple household lightbulbs represents a remarkably chemoselective trigger to induce unique and valuable catalytic processes.
Journal ArticleDOI
Ru(II) polypyridine complexes: photophysics, photochemistry, eletrochemistry, and chemiluminescence
Alberto Juris,Vincenzo Balzani,F. Barigelletti,Sebastiano Campagna,Peter Belser,A. Von Zelewsky +5 more
Journal ArticleDOI
Photophysics, photochemistry and solar energy conversion with tris(bipyridyl)ruthenium(II) and its analogues
TL;DR: In this paper, the authors presented a method for the extraction of the structure of the LPI-ARTICLE-1982-012 (LPI-2012-012) abstract from the Web of Science Record.
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Shining Light on Photoredox Catalysis: Theory and Synthetic Applications
TL;DR: The aim of this synopsis is to provide an overview of the photoelectronic properties of photoredox catalysts as they are applied to organic transformations.
Journal ArticleDOI
Synthetically Tailored Excited States: Phosphorescent, Cyclometalated Iridium(III) Complexes and Their Applications
Michael S. Lowry,Stefan Bernhard +1 more
TL;DR: Methods for synthetically tailoring the properties of bis-cyclometalated iridium(III) materials are focused on, and the factors governing the nature of their lowest excited state are explored.
References
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Journal ArticleDOI
Hydrogen Generation by Visible Light Irradiation of Aqueous Solutions of Metal Complexes. An approach to the photochemical conversion and storage of solar energy
TL;DR: In this paper, a photochemical system for the generation of hydrogen by water reduction under visible light or sunlight irradiation of aqueous solutions containing the following components: a photosensitizer, the Ru (bipy) complex, for visible light absorption; a relay species, the Rh (m) complex which mediates water reduction by intermediate storage of electrons via a reduced state; an electron donor, triethanolamine (TEOA) which provides the electrons for the reduction process and a redox catalyst, colloidal platinum, which facilitates hydrogen formation.
Journal ArticleDOI
Mechanism of the quenching of the emission of substituted polypyridineruthenium(II) complexes by iron(III), chromium(III), and europium(III) ions
TL;DR: In this paper, a series of complexes RuL/sub 3/sup 2 +/, where L is a bipyridine or phenanthroline derivative, has been used to investigate the mechanism of the quenching of *RuL /sub 3//sup 2+/, the luminescent excited state of RuL, by Fe(III), Cr(III, and Eu(III) in aqueous solutions at 25/sup 0/C.
Book ChapterDOI
Bimolecular electron transfer reactions of the excited states of transition metal complexes
Journal ArticleDOI
Light induced electron transfer reactions of metal complexes
TL;DR: In this paper, the electron transfer reactions of the ground and excited states are discussed and interpreted in terms of the driving force for the reaction and the distortions of the excited states relative to the corresponding ground states.