Two‐Color Reversible Switching in a Photochromic Ruthenium Sulfoxide Complex | Zendy

McClure Beth Anne | Zendy; Rack Jeffrey J. | Zendy

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Two‐Color Reversible Switching in a Photochromic Ruthenium Sulfoxide Complex

Author(s) -

McClure Beth Anne,

Rack Jeffrey J.

Publication year - 2009

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200903553

Subject(s) - photochromism , ruthenium , isomerization , pyridine , photochemistry , chemistry , excitation , sulfoxide , bipyridine , computer science , organic chemistry , catalysis , physics , crystal structure , quantum mechanics

On the flipside : A reversible photochromic mechanism for the complex [Ru(bpy) 2 (pySO)] 2+ (bpy=2,2′‐bipyridine, pySO=2‐(isopropylsulfinylmethyl)pyridine) is presented. Isomerization from the S‐bonded (see picture; blue) to the O‐bonded form (red) occurs upon excitation with UV light with a time constant τ of 1.5 ns ( Φ =0.11), for the reverse process τ =6.3 ns ( Φ =0.027).

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