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Two-Color Reversible Switching in a Photochromic Ruthenium Sulfoxide Complex

Authors

  • Beth Anne McClure,

    1. Department of Chemistry and Biochemistry, Nanoscale and Quantum Phenomena Institute, Ohio University, Clippinger Laboratories, Athens, OH 45701 (USA), Fax: (+1) 740-593-0148
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  • Jeffrey J. Rack Dr.

    1. Department of Chemistry and Biochemistry, Nanoscale and Quantum Phenomena Institute, Ohio University, Clippinger Laboratories, Athens, OH 45701 (USA), Fax: (+1) 740-593-0148
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  • We thank Evgeny Danilov of the Ohio Laboratory for Kinetic Spectrometry (BGSU) for experimental assistance. J.J.R. acknowledges NSF (CHE-0809669), Ohio University, Condensed Matter and Surface Science (CMSS), and the NanoBioTechnology Initiative (NBTI) for partial funding. B.M. acknowledges NDSEG for a fellowship.

Abstract

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Strahlungsempfänglich: Ein reversibler photochromer Mechanismus wird für den Komplex [Ru(bpy)2(pySO)]2+ (bpy=2,2′-Bipyridin, pySO=2-(Isopropylsulfinylmethyl)pyridin) vorgestellt. Die Isomerisierung von der S-gebundenen (blau im Bild) zur O-gebundenen Form (rot) erfolgt bei Anregung mit UV-Licht mit einer Zeitkonstanten τ von 1.5 ns (Φ=0.11); für den umgekehrten Prozess gilt τ=6.3 ns (Φ=0.027).

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