scholarly journals The influence of the FeCp(CO)2+moiety on the dynamics of the metalloid [Ge9(Si(SiMe3)3)3]−cluster in thf: synthesis and characterization by time-resolved absorption spectroscopy

2019 ◽  
Vol 48 (41) ◽  
pp. 15577-15582 ◽  
Author(s):  
Nadine C. Michenfelder ◽  
Christian Gienger ◽  
Andreas Schnepf ◽  
Andreas-Neil Unterreiner
Keyword(s):  
Transition Metal ◽  
Absorption Spectroscopy ◽  
Ground State ◽  
Strong Influence ◽  
Synthesis And Characterization ◽  
Time Resolved ◽  
State Recovery ◽  
Covalently Bound

Photoexcitation of a newly synthesized, neutral tetrasubstituted Ge9cluster with a covalently bound transition metal substituent led to a complete ground state recovery within 150 ps indicating the strong influence of the Fe moiety.

scholarly journals Insights into the excited state dynamics of Fe(ii) polypyridyl complexes from variable-temperature ultrafast spectroscopy

2019 ◽  
Vol 10 (1) ◽  
pp. 134-144 ◽  
Author(s):  
Monica C. Carey ◽  
Sara L. Adelman ◽  
James K. McCusker
Keyword(s):  
Excited State ◽  
Transition Metal ◽  
Ground State ◽  
Ultrafast Spectroscopy ◽  
Variable Temperature ◽  
Activation Parameters ◽  
Polypyridyl Complexes ◽  
Time Resolved ◽  
Excited State Dynamics ◽  
State Recovery

In order to better define the nature of the nuclear coordinate associated with excited state dynamics in first-row transition metal chromophores, variable-temperature ultrafast time-resolved absorption spectroscopy has been used to determine activation parameters associated with ground state recovery in a series of low-spin Fe(ii) polypyridyl complexes.

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