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Title:TIME-RESOLVED RELAXATION DYNAMICS OF NEAR-INFRARED EXCITED ELECTRONIC STATES IN TRANSITION METAL COMPLEXES.
Author(s):Tarnovsky, Alexander N
Contributor(s):Mereshchenko, Andrey S.; Borin, Veniamin A.; Hicks, Christopher M.; Matveev, Sergey M.; Budkina, Darya S.
Subject(s):Metal containing
Abstract:Sub-100 fs time-resolved, broadband transient absorption spectroscopy was employed to investigate ultrafast radiationless relaxation dynamics of near-infrared, metal-centered (MC), electronic excited states of several d$^{5}$ and d$^{9}$ transition metal complexes (e.g., \chem{CuCl_4}$^{2-}$, \chem{CuBr_4}$^{2-}$, \chem{IrBr_6}$^{2-}$, \chem{IrCl_6}$^{2-}$, etc.) in acetonitrile solution. The results yield insights into the topology of the involved potential energy surfaces, Jann-Teller distortions, and the dynamics through conical intersections connecting the first excited and ground electronic states (energy gap, less than 8000 \wn). Furthermore, it was found that the addition of water to the solutions efficiently quenches the MC excited states via energy transfer.
Issue Date:06/22/18
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:APS
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/100658
DOI:10.15278/isms.2018.FB04
Other Identifier(s):FB04
Date Available in IDEALS:2018-08-17
2018-12-12


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