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Transient excited-state absorption

Ultrafast transient absorption spectroscopy of the sunscreen constituent ethylhexyl triazone

Ultrafast transient absorption spectroscopy of the sunscreen constituent ethylhexyl triazone

... solution-phase transient electronic absorption spectroscopy (TEAS) to probe the photodeactivation mechanism of EHT in the nonpolar solvent dioxane and the polar solvent ...rst excited electronic ...

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Ultrafast photophysical studies of a multicomponent sunscreen : oxybenzone   titanium dioxide mixtures

Ultrafast photophysical studies of a multicomponent sunscreen : oxybenzone titanium dioxide mixtures

... pump-probe transient electronic (UV-visible) absorption spectroscopy (TEAS) to study how the excited state dynamics of an organic filter are altered, if at all, whilst in the presence of a ...

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Transient 2D-IR spectroscopy of inorganic excited states

Transient 2D-IR spectroscopy of inorganic excited states

... the excited mode and others in the ...the absorption spectrum gives rise to two peaks (1&2) located near the diagonal of the 2D-IR ...the excited mode ...v=1-2 excited state ...

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Megerle, Uwe
  

(2011):


	Photoinduced molecular dynamics in increasingly complex systems: From ultrafast transient absorption spectroscopy to nanoscopic models.


Dissertation, LMU München: Fakultät für Physik

Megerle, Uwe (2011): Photoinduced molecular dynamics in increasingly complex systems: From ultrafast transient absorption spectroscopy to nanoscopic models. Dissertation, LMU München: Fakultät für Physik

... the excited flavin can un- dergo intersystem crossing, the observed electron transfer is unproductive due to a fast charge recombination within 50 ...triplet state of ...singlet state of the spin- ...

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Effect of solvent on the luminescence quenching of ruthenium(II)‑polypyridyl complexes with polyphenols

Effect of solvent on the luminescence quenching of ruthenium(II)‑polypyridyl complexes with polyphenols

... spectrofluorometer. Excited state lifetime and transient absorption measurements were made with laser flash photolysis technique using an Applied Photophysics SP-Quanta Ray GCR-2(10) Nd:YAG ...

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Probing the photodynamics of photoprotective molecules and two photon activated metal complexes

Probing the photodynamics of photoprotective molecules and two photon activated metal complexes

... 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 ...lowest excited electronic state to the ...

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Excited state dependent electron transfer of a rhenium dipyridophenazine complex intercalated between the base pairs of DNA: a time resolved UV visible and IR absorption investigation into the photophysics of fac [Re(CO)3(F2dppz)(py)]+ bound to either [po

Excited state dependent electron transfer of a rhenium dipyridophenazine complex intercalated between the base pairs of DNA: a time resolved UV visible and IR absorption investigation into the photophysics of fac [Re(CO)3(F2dppz)(py)]+ bound to either [poly(dA dT)]2 or [poly(dG dC)]2

... 20 (a) M. W. George, M. Poliakoff and J. J. Turner, Nanosecond Time- Resolved Infrared Spectroscopy: a Comparative View of Spectrometers and their Applications in Organometallic Chemistry, Analyst, 1994, 119, 551–552; ...

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Spectroscopy and Dynamics of Transient Species, the Vinyl Radical and Highly Vibrationally Excited Acetylene

Spectroscopy and Dynamics of Transient Species, the Vinyl Radical and Highly Vibrationally Excited Acetylene

... common state. The common state may be the original ground state or an excited state generated by the first laser ...common state. The difference in probe laser absorption ...

350

Bridging the gap between the gas and solution phase : solvent specific photochemistry in 4 tert butylcatechol

Bridging the gap between the gas and solution phase : solvent specific photochemistry in 4 tert butylcatechol

... shows transient absorption spectra (TAS) of 4-TBC in cyclohexane, following 267 nm ...the excited state absorption (ESA) from the S 1 state ...

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Understanding electronic energy transport in biologically relevant systems : the photochemistry of sunscreens and the photophysics of photosynthesis

Understanding electronic energy transport in biologically relevant systems : the photochemistry of sunscreens and the photophysics of photosynthesis

... solution-phase transient absorption spec- troscopy is introduced as the experiment of choice, capable of achieving a resolution of ∼ 100 fs with condensed-phase (or even solid-phase) samples, making this ...

354

Self trapping and excited state absorption in fluorene homo polymer and copolymers with benzothiadiazole and tri phenylamine

Self trapping and excited state absorption in fluorene homo polymer and copolymers with benzothiadiazole and tri phenylamine

... Inc. Transient absorption measurements were carried out on dilute solutions in toluene in rotating cuvettes using a chirped pulse regenerative amplifier PHAROS SP from Light Conversion Ltd operating at 5 ...

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Repurposing a photosynthetic antenna protein as a super-resolution microscopy label

Repurposing a photosynthetic antenna protein as a super-resolution microscopy label

... time-resolved absorption and fluorescence spectroscopy. Absorption and fluorescence emission spectra ...for absorption and 560–760 nm for emission. The singlet excited state lifetimes ...

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Exploiting the excited state

Exploiting the excited state

... electronic excited state for which the energy surface is different (local excitation, as for F centres), motion through alternate capture of electrons and holes (Bour- goin–Corbett) and motion through ...

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Electron Transfer in Flavodoxin-based Redox Maquettes

Electron Transfer in Flavodoxin-based Redox Maquettes

... Het feit dat de FMN cofactor in flavodoxine vervangen kan worden door andere flavines en de hierboven beschreven eigenschappen van His117Gly azurine hebben geleid tot een nieuwe strategie om de twee eiwitten langs ...

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Flynn_unc_0153D_16010.pdf

Flynn_unc_0153D_16010.pdf

... With the pieces in place, the specific requirements of the cathode electrode must be considered. The goal of the electrode is four-fold: 1.) act as a high-surface area and transparent scaffold for the chromophores and ...

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Photophysics of a poly(phenylenevinylene) with alternating meta phenylene and para phenylene rings

Photophysics of a poly(phenylenevinylene) with alternating meta phenylene and para phenylene rings

... overlapping excited state absorption of both polarons and triplet ...polaron absorption 共 from ...triplet absorption of the neat film, scaled by a factor of 2, to the PA spectrum of the ...

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chem-quantum

chem-quantum

... 5) In the excited state for Sodium, the electron in the 3s orbital jumps to the 3p. Write the shorthand electronic structure for sodium in the excited. state.[r] ...

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Exact Transient Field of a Horizontal Electric Dipole Excited by a Gaussian Pulse on the Surface of One-Dimensionally Anisotropic Medium

Exact Transient Field of a Horizontal Electric Dipole Excited by a Gaussian Pulse on the Surface of One-Dimensionally Anisotropic Medium

... Pan,“Exact transient field of a horizontal electric dipole excited by a Gaussian pulse on the boundary two dielectrics,” IEEE Antennas and Wireless Propagation Letters, ...

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Quantum dynamics of STM and laser induced desorption of atoms and molecules from surfaces

Quantum dynamics of STM and laser induced desorption of atoms and molecules from surfaces

... A significant difference between the dynamics on solid surfaces and its correspond­ ing gas-phase counterpart is the influence of surfaces and adsorbate phonons and/or electron-hole pairs. The surface provides the ...

191

X-ray Absorption Fine Structure and X-ray Excited Optical Luminescence Studies of Gallium Nitride - Zinc Oxide Solid Solution Nanostructures

X-ray Absorption Fine Structure and X-ray Excited Optical Luminescence Studies of Gallium Nitride - Zinc Oxide Solid Solution Nanostructures

... X-ray absorption studies of GaN- ZnO solid solutions has identified many areas in which these materials can be improved, and some of the challenges that they will present for future ...X-ray excited optical ...

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