excited state dynamics
Excited state dynamics of a two photon activatable ruthenium prodrug
... early dynamics, may, however, prove ...different excited-state dynamics and could provide interesting results, in particular if competing pathways other than the main MLCT !GS relaxa- tion are ...
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Recent advances in experimental techniques to probe fast excited state dynamics in biological molecules in the gas phase : dynamics in nucleotides, amino acids and beyond
... of excited-state dynamics measurements on nucleobases in the gas phase have been carried out on adenine and its ...the excited-state dynamics of nucleobases and aromatic amino ...
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Bottom up excited state dynamics of two cinnamate based sunscreen filter molecules
... the excited state dynamics of E-MMC, of both a weakly perturbing and strongly perturbing (hydrogen bonding) solvent, ...in excited state potential energies 25 and static absorption ...
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Acceptor side chain effects on the excited state dynamics of two dimensional like conjugated copolymers in solution
... The excited state dynamics of 2D-like conjugated copolymers PFDCN and PFSDCN in solution have been detected by femtosecond time-resolved absorption ...ground state may reduce the excitation ...
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Excited-state dynamics of room-temperature phosphorescent organic materials based on monobenzil and bisbenzil frameworks
... transition based on theoretical calculations. We determined that the fluorination of one side of the aromatic ring of the benzil derivatives may retard the ISC, leading to weaker RTP. In this study, we studied the ...
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Rational Design of Platinum(II) Complexes with Ligand-to-Ligand Charge Transfer Excited States and Study of their Excited State Dynamics.
... charge-separated excited state with spin- and charge density closely resembling ...than excited state exchange effects, the complex (shown to the right in Figure ...CT excited ...
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Excited State Dynamics of Atmospheric Species: Collisional Quenching of OH A 2Σ+ and Photodissociation of CH2I2 and CH2OO
... This isotopic substitution changes the nuclear motions as the system evolves from reactants through the conical intersection region to products, but not the underlying electronic potential energy surfaces that give rise ...
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Ultrafast Excited State Dynamics of Triplet Sensitizers for Solar Energy Conversion.
... I thank all the Castellano Group members for the time we have shared together and for their academic collaboration. I would especially like to thank Dr. Evgeny Danilov, whose mentorship, expertise, and humor have been ...
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Excited-State Dynamics in Reduced Dimensional Semiconductors.
... results in strong σ bonds in the plane of the molecule with a single electron in the π-bond from the out-of-plane p-orbitals. The electrons in the π -bonds are extremely delocalized across the carbon atoms in the ...
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Probing the photodynamics of photoprotective molecules and two photon activated metal complexes
... the dynamics of photoactivation following ...the excited state deactivation pathways that compete with the formation of 2 that are of interest in this work and whether they differ between OPA and ...
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Unravelling the photoprotection properties of mycosporine amino acid motifs
... the excited-state dynamics of ACyO in both aprotic (acetonitrile) and protic (methanol) solvents show that a long-lived S 1 state persists beyond the maximum Δ t of the experiment and is ...
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Ultrafast photophysical studies of a multicomponent sunscreen : oxybenzone titanium dioxide mixtures
... the excited state dynamics of an organic filter are altered, if at all, whilst in the presence of a potential perturber, a step up in the complexity of understanding the behaviour of commercial ...
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Photophysics of sunscreen molecules in the gas phase : a stepwise approach towards understanding and developing next generation sunscreens
... The relationship between exposure to ultraviolet (UV) radiation and skin cancer urges the need for extra photoprotection, which is presently provided by widespread commercially available sunscreen lotions. Apart from ...
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Schriever, Christian (2008): Kohärenz auf reaktiven Potentialflächen: Beobachtung und Analyse molekularer Dynamik. Dissertation, LMU München: Fakultät für Physik
... the excited state relaxation the system may reach geometries with strong multireference character, which obviously cannot be adequately described with single-reference ...on-the-fly ...
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Bridging the gap between the gas and solution phase : solvent specific photochemistry in 4 tert butylcatechol
... We now begin to evaluate the environmental influence on the excited state dynamics of 4-TBC by using a more perturba- tive, polar solvent. Acetonitrile was selected due to its high po- larity and ...
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Spectroscopy and Dynamics of Transient Species, the Vinyl Radical and Highly Vibrationally Excited Acetylene
... Frequency resolved infra-red spectra are of fundamental importance in the determination of vibrational motion and structure of molecules, ion, and radicals. Temporal resolution of these spectra allow the study of ...
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The synthesis and photochemistry of some 3 phenylenones
... peak as a function o f time can be plotted. Therefore it is possible to fit curves and obtain kinetic data. {Table 2.5) The recovery o f the ground state carbonyl and the decay o f the excited state ...
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Characteristics and Kinetics of a Red-to-Green Photochemical Upconversion System utilizing a Perylene-3,4-dicarboximide Acceptor.
... Sensitized triplet-triplet annihilation based photochemical upconversion (TTA-UC), also known as anti-Stokes delayed fluorescence, is the process of converting low two low energy photons into one photon of higher energy ...
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Measurement-driven dynamics for a coherently-excited atom
... method assumes that it dwells at or near one of its two possible energy eigenstates for extended periods before it switches to the other. In this section we calculate the statistics of dwells for a range of values of the ...
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Nonlinear Optical Properties of Two Different Nanoassemblies of Polydiacetylene (PDA): PDA Nanovesicles and PDA Nanocrystals
... and establishing the ARINS setup to measure nonlinearity faster than 3 ps (described below), the non- linearity reported in this paper is purely of electronic origin. Moreover, instead of investigating the nonlinear ...
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