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Ultrafast Transient Absorption Dynamics

Ultrafast Transient Absorption Spectroscopy of Valley Carrier Dynamics in Atomically Thin Transition Metal Dichalcogenides.

Ultrafast Transient Absorption Spectroscopy of Valley Carrier Dynamics in Atomically Thin Transition Metal Dichalcogenides.

... Very few study on valley dynamics have explored the impacts of environment and substrates [6]. We note that extrinsic factors such as defect intensity and substrate might play a significant role in exchange ...

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Investigation of optical cavity modes and ultrafast carrier dynamics in ZnO rods using second-harmonic generation and transient absorption pump-probe microscopy

Investigation of optical cavity modes and ultrafast carrier dynamics in ZnO rods using second-harmonic generation and transient absorption pump-probe microscopy

... focuses on answering these questions through spectroscopic development of a time-resolved microscope. The simplest implementations of specific spectroscopic techniques include steady state absorption and ...

147

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

... Dynamics of molecular systems The TA spectrometers developed in the framework of this thesis represent the state of the art for the study of ultrafast photochemical processes. Even during the development, ...

175

Dynamic Optoelectronic Properties in Perovskite Oxide Thin Films Measured with Ultrafast Transient Absorption & Reflectance Spectroscopy

Dynamic Optoelectronic Properties in Perovskite Oxide Thin Films Measured with Ultrafast Transient Absorption & Reflectance Spectroscopy

... and dynamics, even at very low ...the absorption, and broaden electronic bands, 4 creating complex optical ...the transient spectra and time resolved data to accurately understand underlying ...

164

A microfluidic flow-cell for the study of the ultrafast dynamics of biological systems

A microfluidic flow-cell for the study of the ultrafast dynamics of biological systems

... of transient signature from P 700 + ...y absorption band, corresponds to the decay of the excited Chl a population, ...the transient signal expected for P 700 + as represented in Figure 2 and more ...

5

Transient absorption studies of biologically relevant systems : photostability and photoactivation

Transient absorption studies of biologically relevant systems : photostability and photoactivation

... of ultrafast pulsed lasers allowed the monitoring of molecular dynamics on a femtosecond (fs (1 fs = 1×10 -15 s)) ...utilise ultrafast lasers in the late 1980s, chiefly by Ahmed Zewail, 1 studied the ...

151

Transient Photoinduced Absorption in Ultrathin As grown Nanocrystalline Silicon Films

Transient Photoinduced Absorption in Ultrathin As grown Nanocrystalline Silicon Films

... studied ultrafast carrier dynamics in nanocrystalline silicon films with thickness of a few nanometers where boundary-related states and quantum confinement play an important ...role. Transient ...

5

Sharp spectral variations of the ultrafast transient light extinction by bimetallic nanoparticles in the near-uv

Sharp spectral variations of the ultrafast transient light extinction by bimetallic nanoparticles in the near-uv

... NP Transient Optical Response We have modeled in §2 the stationary optical response of the ...overall transient spectral dynamics both for the monometallic and bimetallic samples rather than to ...

30

CiteSeerX — Role of Structural Order and Excess Energy on Ultrafast Free Charge Generation in Hybrid Polythiophene/Si Photovoltaics Probed in Real Time by Near-Infrared Broadband Transient Absorption

CiteSeerX — Role of Structural Order and Excess Energy on Ultrafast Free Charge Generation in Hybrid Polythiophene/Si Photovoltaics Probed in Real Time by Near-Infrared Broadband Transient Absorption

... the transient species can be attributed to different recombination processes for polarons and excitons as well as energy transfer processes between coils and aggregates suggested above and demonstrated in more ...

14

Evidence for Conical Intersection Dynamics Mediating Ultrafast Singlet Exciton Fission

Evidence for Conical Intersection Dynamics Mediating Ultrafast Singlet Exciton Fission

... the transient spectrum integrated from 1000 to 2200 ...triplet absorption bands below 560 nm and above 730 nm 13,14 , we detect a series of small positive ...ground-state absorption spectrum of the ...

19

Ultrafast Excited State Dynamics of Triplet Sensitizers for Solar Energy Conversion.

Ultrafast Excited State Dynamics of Triplet Sensitizers for Solar Energy Conversion.

... established ultrafast literature data using our newly constructed experimental apparatus, particularly valuable for direct comparisons to transient data obtained in the near-IR for the first ...these ...

284

Photophysical Characterization and Ultrafast Dynamics of Diimine-Containing Metal Hydrides and Carbonyls.

Photophysical Characterization and Ultrafast Dynamics of Diimine-Containing Metal Hydrides and Carbonyls.

... ground-state absorption spectra were taken before and after each experiment using an Agilent 8453 UV−visible spectrophotometer to ensure there was no sample ...The transient spectra and kinetics were ...

199

Ultrafast transient absorption spectroscopy of the sunscreen constituent ethylhexyl triazone

Ultrafast transient absorption spectroscopy of the sunscreen constituent ethylhexyl triazone

... microsecond transient absorption measurements, 19 further evidenced by UV absorp- tion measurements pre- and post-UV-B irradiation, con fi rming that intersystem crossing to a low-lying triplet state is a ...

7

Ultrafast Dynamics of Gas Phase Anions

Ultrafast Dynamics of Gas Phase Anions

... 65 detection method for charged particle excited state dynamics experiments in the gas phase. 3-5,13,18-21 The data analysis procedure for recovering the dynamical information is fairly constant across the field: ...

313

Direct imaging of ultrafast lattice dynamics

Direct imaging of ultrafast lattice dynamics

... and dynamics of silicon under high–strain rate ...the transient inter- mediate elastic wave addresses the anomalous elastic behavior of silicon seen in recent works and supports a dual-elastic plateau ...

10

Ultrafast dissociation dynamics of 2 Ethylpyrrole

Ultrafast dissociation dynamics of 2 Ethylpyrrole

... However, the measured lifetime is shorter than either 2,4- DMP 33 (120 fs) or pyrrole photoexcited below the barrier (130 fs). In addition to the short appearance lifetime, the invariance of the lifetime with photon ...

9

Ultrafast spin, charge and nuclear dynamics

Ultrafast spin, charge and nuclear dynamics

... Extending space-time boundaries (ultra long-range TDDFT) Exchange-correlation functional development Nuclear degrees of freedom (quantum or classical) Radiation via Maxwell's equations R[r] ...

52

Ultrafast electron dynamics and the role of screening

Ultrafast electron dynamics and the role of screening

... broadband transient response of LSMO in the visible spectral range is not only sufficient in amplitude [Oga01, Tob08], but also simultaneous over the whole frequency range [Weg11] of the WLC pulse and can ...

222

Ultrafast Laser Energy Density and Retinal Absorption Cross Section Determination by Saturable Absorption Measurements

Ultrafast Laser Energy Density and Retinal Absorption Cross Section Determination by Saturable Absorption Measurements

... http://dx.doi.org/10.4236/jasmi.2014.41003 How to cite this paper: Penzkofer, A., Luck, M., Mathes, T. and Hegemann, P. (2014) Ultrafast Laser Energy Density and Re- tinal Absorption Cross-Section ...

8

Ultrafast and Distinct Spin Dynamics in Magnetic Alloys

Ultrafast and Distinct Spin Dynamics in Magnetic Alloys

... the dynamics of multi-sub- lattice magnetic materials with both ferromagnetic and antiferromagnetic coupling between their sub- ...magnetization dynamics is distinct and element- ...

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