Ultrafast nonlinear spectroscopy with spatially confined fields

Schlösser, Felix J.V.; Schoth, Mario; Burger, Sven; Schmidt, Frank; Knorr, Andreas; Mukamel, Shaul; Richter, Marten

doi:10.1063/1.3644223

Cited by 2 publications

(2 citation statements)

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“…For a MNP of small or medium size compared to a molecular chain or molecular cluster strong and localized excitation of that part of the molecular system may take place which is in close proximity to the MNP. This approach to EEL has already been suggested some years ago. ,, However, recent experimental studies continue this work. These studies report on the demonstration of strong-coupling effects, enhancement phenomena, and EEL (refs − concentrated on MNP semiconductor nanosystems and refs − on MNP molecule complexes).…”

Section: Introductionmentioning

confidence: 99%

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Control of Intermolecular Electronic Excitation Energy Transfer: Application of Metal Nanoparticle Plasmons

Wang

May

2017

J. Phys. Chem. C

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Control of intermolecular electronic excitation energy transfer via metal nanoparticles is analyzed. Different control scenarios are presented which all utilize the effect of field-enhancement close to an optically excited metal nanoparticle. Due to this field-enhancement that part of a molecular chain or a molecular cluster gets excited which is in close proximity to the nanoparticle. Various simulation results are discussed related to the energy transfer kinetics in a uniform chain of 50 molecules in the vicinity of a single or two spherical gold nanoparticles. Interesting changes of the energy transfer pathways are found if the spatial and energetic arrangement between the molecular chain and the nanoparticles is altered.

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Section: Introductionmentioning

confidence: 99%

“…This approach to EEL has already been suggested some years ago. 5,9,10 Here, we will theoretically study EEL in a MNP−molecule hybrid system similar to the one presented in ref 16 (cf. also Figure 1).…”

Section: ■ Introductionmentioning

confidence: 99%

Control of Intermolecular Electronic Excitation Energy Transfer: Application of Metal Nanoparticle Plasmons

Wang

May

2017

J. Phys. Chem. C

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Spatio‐temporal excitation energy localization in a supramolecular complex coupled to a metal nanoparticle

et al. 2012

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Sub-picosecond laser pulse-initiated excitation energy transfer in a supramolecular complex (SC) placed in the proximity of a spherical metal nanoparticle (MNP) is studied theoretically. Spatio-temporal localization of electronic excitation energy in a chain-like SC is demonstrated. Related simulations are carried out in the framework of a density matrix theory which is based on a microscopic model for the SC-MNP system. The respective SC-MNP Coulomb interaction is dominated by an energy exchange coupling between the excitations of the SC and the multipolar excitations of the MNP. The nonperturbative consideration of this coupling results in a shift and a broadening of all SC exciton levels as well as in an oscillator strength change. Laser pulse-induced excitation energy localization is then explained as a combined effect of the oscillator strength change and the formation of an excitonic wave packet.

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Ultrafast nonlinear spectroscopy with spatially confined fields

Cited by 2 publications

References 12 publications

Control of Intermolecular Electronic Excitation Energy Transfer: Application of Metal Nanoparticle Plasmons

Control of Intermolecular Electronic Excitation Energy Transfer: Application of Metal Nanoparticle Plasmons

Spatio‐temporal excitation energy localization in a supramolecular complex coupled to a metal nanoparticle

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