Ultrafast excited-state dynamics of aminoperylene and of its protonated form observed by femtosecond absorption spectroscopy

2010 ◽  
Vol 487 (4-6) ◽  
pp. 246-250 ◽  
Author(s):  
Omar F. Mohammed ◽  
Eric Vauthey
Keyword(s):  
Excited State ◽  
Absorption Spectroscopy ◽  
Protonated Form ◽  
Excited State Dynamics ◽  
Femtosecond Absorption Spectroscopy

Ultrafast excited state dynamics of [Cr(CO)4(bpy)]: revealing the relaxation between triplet charge-transfer states

RSC Advances ◽  
2016 ◽  
Vol 6 (25) ◽  
pp. 20507-20515 ◽  
Author(s):  
Fei Ma ◽  
Martin Jarenmark ◽  
Svante Hedström ◽  
Petter Persson ◽  
Ebbe Nordlander ◽  
...  
Keyword(s):  
Excited State ◽  
Charge Transfer ◽  
Absorption Spectroscopy ◽  
Dft Calculation ◽  
Pump Probe ◽  
Excited State Dynamics ◽  
Mlct Transition ◽  
Ligand Charge Transfer ◽  
Probe Absorption

Ultrafast excited state dynamics of [Cr(CO)4(bpy)] upon metal-to-ligand charge-transfer (1MLCT) transition have been studied by pump-probe absorption spectroscopy and DFT calculation.

Investigation of ultrafast excited state dynamics of 2,2′,4,4′,6,6′-hexanitrostilbene using femtosecond transient absorption spectroscopy

RSC Advances ◽  
2014 ◽  
Vol 4 (104) ◽  
pp. 60382-60385 ◽  
Author(s):  
Genbai Chu ◽  
Min Shui ◽  
Ying Xiong ◽  
Jing Yi ◽  
Kemei Cheng ◽  
...  
Keyword(s):  
Excited State ◽  
Excited States ◽  
Absorption Spectroscopy ◽  
Transient Absorption ◽  
Transient Absorption Spectroscopy ◽  
Excited State Dynamics ◽  
Femtosecond Transient Absorption ◽  
Femtosecond Transient Absorption Spectroscopy

A study on the dynamics and structures of the excited states of 2,2′,4,4′,6,6′-hexanitrostilbene shows equilibrium between vibrationally hot S1 (S*1) and S1 states with lifetimes of 0.8 and 6 ps, respectively.

Ultrafast Z → E photoisomerisation of structurally modified furylfulgides

2014 ◽  
Vol 16 (36) ◽  
pp. 19556-19563 ◽  
Author(s):  
Falk Renth ◽  
Ron Siewertsen ◽  
Frank Strübe ◽  
Jochen Mattay ◽  
Friedrich Temps
Keyword(s):  
Excited State ◽  
Absorption Spectroscopy ◽  
Transient Absorption ◽  
Transient Absorption Spectroscopy ◽  
Chemical Modifications ◽  
Structural Motifs ◽  
Excited State Dynamics ◽  
Femtosecond Transient Absorption ◽  
Femtosecond Transient Absorption Spectroscopy

Femtosecond transient absorption spectroscopy of Z-fulgides with selected structural motifs revealed fast and direct excited-state dynamics independent of chemical modifications.

scholarly journals Ultrafast excited state dynamics of nonfluorescent cyclopheophorbide-aenol, a catabolite of chlorophyll-adetoxified in algae-feeding aquatic microbes

2019 ◽  
Vol 18 (1) ◽  
pp. 64-70 ◽  
Author(s):  
Chikashi Ota ◽  
Keita Sugihara ◽  
Yusuke Kinoshita ◽  
Yuichiro Kashiyama ◽  
Yutaka Nagasawa ◽  
...  
Keyword(s):  
Excited State ◽  
Absorption Spectroscopy ◽  
Intermediate State ◽  
Transient Absorption ◽  
Transient Absorption Spectroscopy ◽  
Nonradiative Decay ◽  
Excited State Dynamics ◽  
Aquatic Microbes

Transient absorption spectroscopy revealed that a catabolite of chlorophyll-a, cPPB-aE, undergoes ultrafast nonradiative decay through an intermediate state.

scholarly journals Bromine substitution improves excited-state dynamics in mesoporous mixed halide perovskite films

Nanoscale ◽  
2017 ◽  
Vol 9 (33) ◽  
pp. 12005-12013 ◽  
Author(s):  
Eric M. Talbert ◽  
Holly F. Zarick ◽  
Abdelaziz Boulesbaa ◽  
Naiya Soetan ◽  
Alexander A. Puretzky ◽  
...  
Keyword(s):  
Excited State ◽  
Absorption Spectroscopy ◽  
Transient Absorption ◽  
Carrier Dynamics ◽  
Transient Absorption Spectroscopy ◽  
Excited State Dynamics ◽  
Halide Perovskites ◽  
Halide Perovskite ◽  
Carrier Thermalization ◽  
The Impact

This study investigates the impact of Br substitution on the carrier dynamics in mixed halide perovskites using ultrafast transient absorption spectroscopy, revealing faster carrier thermalization lifetimes with increasing Br content.

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