Exciton Dynamics
Ab Initio Molecular Vibrations Enable Reliable Exciton Dynamics Simulations
... the exciton dynamics of multiple pigments (eight, in the case of FMO) bound in a fluctuating protein scaffold at physiological temperature is incredibly computationally demanding and necessitates uncontrolled ...
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Subpicosecond exciton dynamics in polyfluorene films from experiment and microscopic theory
... Total exciton occupation proba- bility as a function of the chromophore emis- sion ...average exciton en- ergy decreases from ...the exciton energy standard deviation stays almost constant, showing ...
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Exciton dynamics in phthalocyanine molecular crystals
... (molecular dynamics and electronic structure calculations) and theoretical (model Hamiltonian) ...plausible exciton transport regimes are discussed using the computed parameters for this material to ...
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Ultrafast exciton dynamics in CdxHg(1 x)Te alloy quantum dots
... In particular, the rate of exciton recombination will determine the fraction of photo-generated charges that can be extracted to produce the output of a photovoltaic cell. Surface states produced by dangling bonds ...
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Exciton Dynamics in Stacked InGaAs/GaAs Quantum Rings Under Resonant Excitation
... recombination dynamics is affected by the lateral tun- neling of carriers between QR at tow temperature, and we deduce the value of tunneling time, between the ground state of the small ring family towards the ...
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Exciton dynamics in solid state green fluorescent protein
... state dynamics can be tracked best by temperature-dependent measurements as those provide insight into the population of individual states as well as thermally activated ...
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Exciton Dynamics in InSb Colloidal Quantum Dots
... We now turn to the important issue of determining the origin of the observed pecu- liar lifetimes of non-radiative carrier dynamics. Non-radiative biexciton decay is gener- ally attributed in CQDs to efficient ...
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Exciton dynamics in droplet epitaxial quantum dots grown on (311)A oriented substrates
... To conclude this section we estimate the QD capture volume for excitons[64]. This can be deduced from the saturation power of the X level: at that power (of about 1500 nW distributed over a diameter of 1 µm) the number ...
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Inelastic and Elastic Light-Matter Interactions in Two-Dimensional Semiconductors
... free exciton transformed to a localized exciton with brighter PL ...of exciton dynamics in 1L phosphorene with a 0D-like local luminescent ...free exciton and confine it to a lower ...
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Ultrafast Optical Characterization of Surfaces and Interfaces.
... strong exciton binding ...monolayers’ exciton dynamics, including facilitating the non-radiative recombination and slowing the radiative ...ultrafast exciton dynamics of the suspended ...
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Dynamic Disorder Drives Exciton Transfer in Tubular Chlorosomal Assemblies
... the exciton dynamics of realistic chlorosomes within the standard Frenkel exciton ...molecular dynamics trajectories to derive time-dependent electronic coupling terms in the exciton ...
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Importance and nature of short range excitonic interactions in light harvesting complexes and organic semiconductors
... The singlet excitonic coupling between many pairs of chromophores is evaluated in three different Light Harvesting Complexes (LHCs) and two organic semiconductors (amorphous and crystalline). This large database of ...
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Exciton polaron interactions in polyfluorene films with β phase
... the experiments which found that triplets generated in polyfluorene films with continuous excitation of 100 mWcm -2 had negligible effect on singlet exciton dynamics. 24 The simulated results in Figure 8 ...
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Modulating the exciton dissociation rate by up to more than two orders of magnitude by controlling the alignment of LUMO + 1 in organic photovoltaics
... the dynamics of excitation energy transfer and/or exciton dissociation, is an important ingredient in understanding the fundamental mechanism of organic photovoltaics ...accompanying dynamics has ...
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Atomistic modelling of radiation effects: Towards dynamics of exciton relaxation
... [55]. The ultra-violet diuse re¯ectance spectra of micro-crystalline MgO have demonstrated addi- tional bands at 5.7 and 4.6 eV, which have been attributed to the low-coordinated sites, such as steps, kinks and corners ...
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Exciton polariton trapping and potential landscape engineering
... and the strengths of polariton-polariton, g c , and polariton-reservoir exciton, g R , interactions. Even without an engineered confining potential, the polaritons can be spatially localized in the vicinity of a ...
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Broadband saturable absorption and exciton exciton annihilation in MoSe2 composite thin films
... irradiation of nanosecond pulses in comparison to femtosecond pulses. As the carrier relaxation processes are important when a saturable absorber is used for mode-locking in a pulses laser, a degenerate pump-probe ...
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Excitonic fine structure and binding energies of excitonic complexes in single InAs quantum dashes
... single exciton ground state energy as a function of the QDash height calculated using different atomistic approaches: VCA, fully atomistic (ATM) model, and fully atomistic approach with the alloyed quantum dash ...
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Seilmeier, Florian (2013): Laser spectroscopy of localized quantum dot states interacting with electron reservoirs. Dissertation, LMU München: Fakultät für Physik
... Firstly it is investigated how carbon impurities affect the behavior of the excitonic dispersion relation of a neutral exciton and the model is tested quantitatively. Im- purities could be located in the ...
102
Gautam_et_al-2015-Advanced_Energy_Materials.pdf
... Given that FTAZ devices are very effi cient, the vast majority of excitations must lead to CT states, if direct creation of charges is assumed to be not occurring. The time evolution of the polaron peak, on the other ...
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