Excited-State Quenching of Porphyrins by Hydrogen-Bonded Phenol-Pyridine Pair: Evidence of Proton-Coupled Electron Transfer

2019 ◽  
Vol 123 (38) ◽  
pp. 23342-23351
Author(s):  
Munisamy Venkatesan ◽  
Haraprasad Mandal ◽  
Madhu Chakali ◽  
Prakriti Ranjan Bangal
Keyword(s):  
Electron Transfer ◽  
Excited State ◽  
Proton Coupled Electron Transfer ◽  
Excited State Quenching ◽  
Hydrogen Bonded

Excited-State Quenching by Proton-Coupled Electron Transfer

2007 ◽  
Vol 129 (22) ◽  
pp. 6968-6969 ◽  
Author(s):  
Javier J. Concepcion ◽  
M. Kyle Brennaman ◽  
Jeremy R. Deyton ◽  
Natalia V. Lebedeva ◽  
Malcolm D. E. Forbes ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Excited State ◽  
Proton Coupled Electron Transfer ◽  
Excited State Quenching

Proton-coupled electron transfer from a luminescent excited state

2008 ◽  
pp. 4267 ◽  
Author(s):  
Jonathan C. Freys ◽  
Gérald Bernardinelli ◽  
Oliver S. Wenger
Keyword(s):  
Electron Transfer ◽  
Excited State ◽  
Proton Coupled Electron Transfer

Proton and Electron Transfer in the Excited State Quenching of Phenosafranine by Aliphatic Amines†

2007 ◽  
Vol 83 (3) ◽  
pp. 535-541 ◽  
Author(s):  
Martín F. Broglia ◽  
Sonia G. Bertolotti ◽  
Carlos M. Previtali
Keyword(s):  
Electron Transfer ◽  
Excited State ◽  
Aliphatic Amines ◽  
Excited State Quenching

Proton-Coupled Electron Transfer in a Hydrogen-Bonded Charge-Transfer Complex

2016 ◽  
Vol 120 (41) ◽  
pp. 10780-10785 ◽  
Author(s):  
Sandeep Verma ◽  
Sunil Aute ◽  
Amitava Das ◽  
Hirendra N. Ghosh
Keyword(s):  
Electron Transfer ◽  
Charge Transfer ◽  
Charge Transfer Complex ◽  
Proton Coupled Electron Transfer ◽  
Hydrogen Bonded

Diffusive and non-diffusive photo-induced proton coupled electron transfer from hydrogen bonded phenols to meso-tetrakis-5,10,15,20-pentafluorophenyl porphyrin

2014 ◽  
Vol 16 (42) ◽  
pp. 23173-23181 ◽  
Author(s):  
P. Hemant Kumar ◽  
Y. Venkatesh ◽  
S. Prashanthi ◽  
D. Siva ◽  
B. Ramakrishna ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Movement Time ◽  
Proton Coupled Electron Transfer ◽  
Proton Movement ◽  
First Time ◽  
Hydrogen Bonded

Ultrafast photo-induced proton coupled electron transfer is observed for the first time from H-bonded phenols to pentafluorophenyl porphyrin indicating the proton movement time to be 40–60 ps depending on the base used.

scholarly journals Comparative analysis of lanthanide excited state quenching by electronic energy and electron transfer processes

2021 ◽  
Author(s):  
David Parker ◽  
Jack Fradgley ◽  
Jurriaan M Zwier ◽  
James William Walton ◽  
Martina Delbianco ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Excited State ◽  
Comparative Analysis ◽  
Relative Sensitivity ◽  
Electronic Energy ◽  
Transfer Processes ◽  
Energy And Electron Transfer ◽  
Electron Transfer Processes ◽  
Excited State Quenching ◽  
The Eu

The relative sensitivity of structurally related Eu(III) complexes to quenching by electron and energy transfer processes has been compared. In two sets of 9-coordinate complexes based on 1,4,7-triazacyclonane, the Eu...

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