scholarly journals Strong electron donation induced differential nonradiative decay pathways for para and meta GFP chromophore analogues

2015 ◽  
Vol 17 (32) ◽  
pp. 20515-20521 ◽  
Author(s):  
Tanmay Chatterjee ◽  
Mrinal Mandal ◽  
Venkatesh Gude ◽  
Partha Pratim Bag ◽  
Prasun K. Mandal
Keyword(s):  
Charge Transfer ◽  
Internal Conversion ◽  
Strong Electron ◽  
Nonradiative Decay ◽  
Gfp Chromophore ◽  
Electron Donation

Charge transfer induced nonradiative internal conversion for meta GFP chromophore analogues is studied.

scholarly journals Communication: Autodetachment versus internal conversion from the S1 state of the isolated GFP chromophore anion

2013 ◽  
Vol 139 (7) ◽  
pp. 071104 ◽  
Author(s):  
Christopher W. West ◽  
Alex S. Hudson ◽  
Steven L. Cobb ◽  
Jan R. R. Verlet
Keyword(s):  
Internal Conversion ◽  
Gfp Chromophore

Ultrafast Intramolecular Charge Transfer and Internal Conversion with Tetrafluoro-aminobenzonitriles

ChemPhysChem ◽  
2005 ◽  
Vol 6 (11) ◽  
pp. 2307-2323 ◽  
Author(s):  
Victor A. Galievsky ◽  
Sergey I. Druzhinin ◽  
Attila Demeter ◽  
Yun-Bao Jiang ◽  
Sergey A. Kovalenko ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Internal Conversion ◽  
Intramolecular Charge Transfer

The Influence of Ordering on the Photoinduced Charge Transfer in Composites of Phenyl-type Substituted Polythiophenes with Methanofullerenes

1999 ◽  
Vol 598 ◽  
Author(s):  
Christoph J. Brabec ◽  
Christoph Winder ◽  
Markus C. Scharber ◽  
N. Serdar Sariciftci ◽  
Mats R. Andersson ◽  
...  
Keyword(s):  
Thin Films ◽  
Charge Transfer ◽  
Treatment Results ◽  
Generation Efficiency ◽  
Charge Generation ◽  
Photoinduced Charge Transfer ◽  
Strong Electron ◽  
Low Energies ◽  
Photoinduced Charge ◽  
Absorption Measurements

ABSTRACTRegioregular polythiophenes baring 3-(p-methoxyethoxyethoxy)-phenyl substituents (PEOPT) show high photoluminescence efficiencies. Exposing thin films of this polymer to vapors of chloroform or annealing them by heat treatment results in a red shift of the absorption maximum due to solvent or heat induced ordering which gives rise to more planar conformations. The fact, that annealed thin films of PEOPT exhibit absorption edges at relatively low energies and thus have an enhanced spectral range makes them suitable for use in photodiodes / solar cells. The photoinduced charge generation efficiency in PEOPT is significantly enhanced by the addition of a strong electron acceptor like fullerene, as observed by quenching of the luminescence and by photoinduced absorption measurements in the infrared and UV-Vis regime. The efficiency of the photoinduced charge transfer from PEOPT to a methanofullerene is found to depend on the ordering of PEOPT in thin films.

Nonradiative decay of excited charge-transfer states of a molecular complex

1979 ◽  
Vol 18-19 ◽  
pp. 105-110 ◽  
Author(s):  
J. Prochorow ◽  
I. Deperasińska ◽  
A. Sobolewski
Keyword(s):  
Charge Transfer ◽  
Molecular Complex ◽  
Nonradiative Decay

Photoinduced Charge Transfer Between Tetracyano-Anthraquino-Dimethane Derivatives and Conjugated Polymers

1999 ◽  
Vol 598 ◽  
Author(s):  
G. Zerza ◽  
M. Scharber ◽  
J. L. Segura ◽  
R. Gomez ◽  
N. Martin ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Power Law ◽  
Modulation Frequency ◽  
Excited State Absorption ◽  
Photoinduced Absorption ◽  
Strong Electron ◽  
Near Ir ◽  
Alkyl Side Chains ◽  
Donor Acceptor ◽  
Two Peaks

ABSTRACTThe photo-induced charge transfer between tetracyano-anthraquino-dimethane (TCAQ) derivatives and poly(2-methoxy-5-(3,7-dimethyloctyloxy)-1,4-phenylene vinylene) MDMO-PPV was studied by means of photoinduced absorption (PIA) spectroscopy in the VIS and IR spectral region and lightinduced electron spin resonance (LESR) spectroscopy. Three different TCAQ derivatives with alkyl-side chains for increased solubility compared to TCAQ and one of them attached to a C60 molecule serve as strong electron acceptors. The photoinduced absorption in the VIS near-IR range shows a broad plateau around 1.8 eV followed by two peaks at 1.35 and 1.24eV for all three acceptors. All PIA features have a power law excitation intensity dependence with an exponent close to 0.5 as expected for bimolecular kinetics. The modulation frequency dependent excited state absorption decreases with a power law. LESR studies of all donor-acceptor combinations show one radical line at a g = 2.0028 with.H = 3.5 Gauss, originating from TCAQ anion and the polymer cation.

Charge Transfer Interactions in the Generation of Singlet Oxygen O2(1Δg) by Strong Electron Donors

1999 ◽  
Vol 103 (15) ◽  
pp. 2705-2711 ◽  
Author(s):  
Alexander P. Darmanyan ◽  
Woojae Lee ◽  
William S. Jenks
Keyword(s):  
Charge Transfer ◽  
Singlet Oxygen ◽  
Electron Donors ◽  
Strong Electron
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