nonradiative deactivation
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Ultrafast nonradiative deactivation of photoexcited 8-oxo-hypoxanthine: a nonadiabatic molecular dynamics study

2021 ◽  
Author(s):  
Joanna Jankowska ◽  
Robert W. Góra
Keyword(s):  
Molecular Dynamics ◽  
Relaxation Mechanism ◽  
Nonradiative Deactivation ◽  
Nonadiabatic Molecular Dynamics ◽  
Derivatives Of

Newly proposed, prebiotically plausible nucleotide syntheses involve 8-oxo-derivatives of nucleobases: here we investigate by theoretical means photostability and relaxation mechanism of 8-oxo-hypoxanthine, employed in the first successful synthesis.

scholarly journals Direct local solvent probing by transient infrared spectroscopy reveals the mechanism of hydrogen-bond induced nonradiative deactivation

2017 ◽  
Vol 8 (7) ◽  
pp. 5057-5066 ◽  
Author(s):  
Bogdan Dereka ◽  
Eric Vauthey
Keyword(s):  
Hydrogen Bond ◽  
Infrared Spectroscopy ◽  
Nonradiative Deactivation ◽  
Solvent Molecules

The hydrogen-bond induced quenching of an excited chromophore is visualised by probing O–H vibrations of the interacting solvent molecules.

scholarly journals Femtosecond time-resolved photoelectron spectroscopy of the benzyl radical

2017 ◽  
Vol 19 (19) ◽  
pp. 12365-12374 ◽  
Author(s):  
A. Röder ◽  
A. Humeniuk ◽  
J. Giegerich ◽  
I. Fischer ◽  
L. Poisson ◽  
...  
Keyword(s):  
Photoelectron Spectroscopy ◽  
Computational Study ◽  
Time Resolved ◽  
Nonradiative Deactivation ◽  
Benzyl Radical ◽  
Uv Excitation

We present a joint experimental and computational study of the nonradiative deactivation of the benzyl radical, C7H7, after UV excitation.

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