scholarly journals Nature of the Ligand-Centered Triplet State in Gd3+ β-Diketonate Complexes as Revealed by Time-Resolved EPR Spectroscopy and DFT Calculations

2021 ◽  
Author(s):  
Silvia Carlotto ◽  
Luca Babetto ◽  
Marco Bortolus ◽  
Alice Carlotto ◽  
Marzio Rancan ◽  
...  
Keyword(s):  
Dft Calculations ◽  
Triplet State ◽  
Epr Spectroscopy ◽  
Time Resolved

Complete assignment of spin sublevels in the lowest excited triplet state of corrole compounds by time-resolved EPR spectroscopy

2012 ◽  
Vol 521 ◽  
pp. 64-68 ◽  
Author(s):  
Seigo Yamauchi ◽  
Mana Tanabe ◽  
Yasunori Ohba ◽  
Kenji Sugisaki ◽  
Kazuo Toyota ◽  
...  
Keyword(s):  
Triplet State ◽  
Epr Spectroscopy ◽  
Excited Triplet State ◽  
Time Resolved ◽  
Excited Triplet ◽  
Complete Assignment

The photoexcited triplet state of porphycene, a novel porphin isomer: time-resolved EPR spectroscopy

1987 ◽  
Vol 91 (11) ◽  
pp. 2686-2688 ◽  
Author(s):  
Hanna. Ofir ◽  
Ayelet. Regev ◽  
Haim. Levanon ◽  
Emanuel. Vogel ◽  
Mathias. Koecher ◽  
...  
Keyword(s):  
Triplet State ◽  
Epr Spectroscopy ◽  
Time Resolved

Delocalized triplet state in porphyrin J-aggregates revealed by EPR spectroscopy

2017 ◽  
Vol 19 (40) ◽  
pp. 27173-27177 ◽  
Author(s):  
Luca Bolzonello ◽  
Marco Albertini ◽  
Elisabetta Collini ◽  
Marilena Di Valentin
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Electronic Structure ◽  
Triplet State ◽  
Epr Spectroscopy ◽  
Electron Paramagnetic Resonance Spectroscopy ◽  
Resonance Spectroscopy ◽  
Paramagnetic Resonance ◽  
Time Resolved ◽  
J Aggregates ◽  
Electron Paramagnetic

In this work, the electronic structure of the triplet state of self-assembled J-aggregates of tetrakis(4-sulfonatophenyl)porphyrin (TPPS) has been characterized by means of time-resolved electron paramagnetic resonance spectroscopy.

ChemInform Abstract: The Photoexcited Triplet State of Porphycene, a Novel Porphin Isomer. Time-Resolved EPR Spectroscopy

ChemInform ◽  
1987 ◽  
Vol 18 (38) ◽  
Author(s):  
H. OFIR ◽  
A. REGEV ◽  
H. LEVANON ◽  
E. VOGEL ◽  
M. KOECHER ◽  
...  
Keyword(s):  
Triplet State ◽  
Epr Spectroscopy ◽  
Time Resolved

Solvent Dependence of Structural Dynamics and Spin-flip Processes in 3,4,5-tri(9H-carbazole-9-yl)benzonitrile (ortho-3CzBN)

2020 ◽  
Author(s):  
Masaki Saigo ◽  
Kiyoshi Miyata ◽  
Hajime Nakanotani ◽  
Chihaya Adachi ◽  
Ken Onda
Keyword(s):  
Dft Calculations ◽  
Excited States ◽  
Structural Changes ◽  
Photophysical Properties ◽  
Delayed Fluorescence ◽  
Time Resolved ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Solvent Dependence ◽  
Acetonitrile Solutions

We have investigated the solvent-dependence of structural changes along with intersystem crossing of a thermally activated delayed fluorescence (TADF) molecule, 3,4,5-tri(9H-carbazole-9-yl)benzonitrile (o-3CzBN), in toluene, tetrahydrofuran, and acetonitrile solutions using time-resolved infrared (TR-IR) spectroscopy and DFT calculations. We found that the geometries of the S1 and T1 states are very similar in all solvents though the photophysical properties mostly depend on the solvent. In addition, the time-dependent DFT calculations based on these geometries suggested that the thermally activated delayed fluorescence process of o-3CzBN is governed more by the higher-lying excited states than by the structural changes in the excited states.<br>

Submicrosecond studies in pulse radiolysis by time-resolved EPR spectroscopy

1975 ◽  
Vol 35 (4) ◽  
pp. 566-568 ◽  
Author(s):  
A.D. Trifunac ◽  
K.W. Johnson ◽  
B.E. Clifft ◽  
R.H. Lowers
Keyword(s):  
Epr Spectroscopy ◽  
Pulse Radiolysis ◽  
Time Resolved
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