Excited state dynamics and isomerization in ruthenium sulfoxide complexes

Accounts of Chemical Research
Albert W KingJeffrey J Rack

Abstract

Molecular photochromic compounds are those that interconvert between two isomeric forms with light. The two isomeric forms display distinct electronic and molecular structures and must not be in equilibrium with one another. These light-activated molecular switch compounds have found wide application in areas of study ranging from chemical biology to materials science, where conversion from one isomeric form to another by light prompts a response in the environment (e.g., protein or polymeric material). Certain ruthenium and osmium polypyridine sulfoxide complexes are photochromic. The mode of action is a phototriggered isomerization of the sulfoxide from S- to O-bonded. The change in ligation drastically alters both the spectroscopic and electrochemical properties of the metal complex. Our laboratory has pioneered the preparation and study of these complexes. In particular, we have applied femtosecond pump-probe spectroscopy to reveal excited state details of the isomerization mechanism. The data from numerous complexes allowed us to predict that the isomerization was nonadiabatic in nature, defined as occurring from a S-bonded triplet excited state (primarily metal-to-ligand charge transfer in character) to an O-bonded single...Continue Reading

References

Sep 16, 2003·Inorganic Chemistry·Jeffrey J Rack, Nicholas V Mockus
Nov 11, 2003·Inorganic Chemistry·Jeffrey J RackAmy M Shelker
Oct 26, 2005·Inorganic Chemistry·Aaron A RachfordJeffrey J Rack
Jan 5, 2006·Inorganic Chemistry·Nicholas V MockusJeffrey J Rack
Sep 26, 2007·Dalton Transactions : an International Journal of Inorganic Chemistry·Aaron A RachfordJeffrey J Rack
Jan 12, 2008·Angewandte Chemie·Nicholas V MockusJeffrey J Rack
Dec 17, 2008·Journal of the American Chemical Society·Yao LiuClaudia Turro
Sep 19, 2009·The Journal of Physical Chemistry. a·Daniel A LuttermanClaudia Turro
Mar 31, 2010·Journal of the American Chemical Society·Beth Anne McClureJeffrey J Rack
May 8, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Jordi Benet-BuchholzSebastian Wiesner
May 5, 2012·Journal of the American Chemical Society·Brock S HowertonEdith C Glazer
Oct 16, 2013·The Journal of Physical Chemistry. a·Bryan A AlbaniClaudia Turro
Oct 3, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Albert W KingJeffrey J Rack
Jun 19, 2014·The Journal of Physical Chemistry Letters·Lisa A FredinPetter Persson

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Citations

Jul 21, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Hyo Jin JangSylvestre Bonnet
Dec 30, 2015·Chemistry : a European Journal·Masanari HiraharaYasushi Umemura
Jun 21, 2018·Chemistry : a European Journal·Lauren M LoftusClaudia Turro
Mar 24, 2016·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Subramani SwaminathanFrançisco M Raymo
May 14, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Nataliia MarchenkoIsabelle Malfant
Apr 25, 2018·Physical Chemistry Chemical Physics : PCCP·Chang Min ChoiFabien Chirot
Oct 14, 2020·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Junro YoshinoNaoto Hayashi
Dec 21, 2017·Journal of the American Chemical Society·Tyler J WhittemoreClaudia Turro
Jan 6, 2021·Journal of the American Chemical Society·Sebastian B VittardiJeffrey J Rack
Oct 22, 2021·Inorganic Chemistry·Rajani Thapa MagarJeffrey J Rack

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