scholarly journals Hydrogen bond assisted photoinduced intramolecular electron transfer and proton coupled electron transfer in an ultrafast time domain using a ruthenium-anthraquinone dyad

2019 ◽  
Vol 18 (10) ◽  
pp. 2430-2441 ◽  
Author(s):  
Ananta Dey ◽  
Jayanta Dana ◽  
Sunil Aute ◽  
Amitava Das ◽  
Hirendra N. Ghosh
Keyword(s):  
Hydrogen Bond ◽  
Electron Transfer ◽  
Hydrogen Bonding ◽  
Time Domain ◽  
Transient Absorption ◽  
Transient Absorption Spectroscopy ◽  
Intramolecular Electron Transfer ◽  
Proton Coupled Electron Transfer ◽  
Femtosecond Transient Absorption ◽  
Femtosecond Transient Absorption Spectroscopy

PCET kinetics for the formation of charge-separated states was explored by using femtosecond transient absorption spectroscopy. Hydrogen bonding between water and the reduced anthraquinone accounted for thermodynamic and kinetic stabilization.

scholarly journals Ultrafast nonequilibrium dynamic process of separate electron and hole during exciton formation in few-layer tungsten disulfide

2021 ◽  
Author(s):  
Junjie Chen ◽  
Sen Guo ◽  
Dabin Lin ◽  
Zhaogang Nie ◽  
Chung-Che Huang ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Dynamic Process ◽  
Formation Process ◽  
Transient Absorption ◽  
Tungsten Disulfide ◽  
Transient Absorption Spectroscopy ◽  
Femtosecond Transient Absorption ◽  
Nonequilibrium Dynamic ◽  
Femtosecond Transient Absorption Spectroscopy ◽  
Separate Electron

Femtosecond transient absorption spectroscopy has been employed to unravel separate initial nonequilibrium dynamic process of photo-injected electrons and holes during the formation process of the lowest excitons at the K-valley...

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