About: Two-dimensional electronic spectra of an aggregating dye: simultaneous measurement of monomeric and dimeric line-shapes

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About: Two-dimensional electronic spectra of an aggregating dye: simultaneous measurement of monomeric and dimeric line-shapes Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We present a sequence of two-dimensional electronic spectra of a prototypical cyanine dye, whose spectral properties in aqueous solution are determined by the formation of a monomer-dimer equilibrium. Quantum-chemical methods are utilized to calculate the structure and absorption properties of the two species involved. Our spectroscopic results simultaneously characterize the spectral line-shapes of the two species in terms of underlying dynamic and static disorder, and demonstrate how the two-dimensional technique allows the exploitation of high spectral and temporal resolution in one and the same experiment. The distinctly different spectral relaxation dynamics are quantified in a two-dimensional line-shape analysis, by extracting the time dependent ratios of the diagonal and anti-diagonal peak-widths. Our findings are in line with theoretical considerations, that predict the fluctuational dynamics of an excitonic dimer state to be exchange-narrowed by excitation delocalization. We present a sequence of two-dimensional electronic spectra of a prototypical cyanine dye, whose spectral properties in aqueous solution are determined by the formation of a monomer-dimer equilibrium. Quantum-chemical methods are utilized to calculate the structure and absorption properties of the two species involved. Our spectroscopic results simultaneously characterize the spectral line-shapes of the two species in terms of underlying dynamic and static disorder, and demonstrate how the two-dimensional technique allows the exploitation of high spectral and temporal resolution in one and the same experiment. The distinctly different spectral relaxation dynamics are quantified in a two-dimensional line-shape analysis, by extracting the time dependent ratios of the diagonal and anti-diagonal peak-widths. Our findings are in line with theoretical considerations, that predict the fluctuational dynamics of an excitonic dimer state to be exchange-narrowed by excitation delocalization. (en)
Title	Two-dimensional electronic spectra of an aggregating dye: simultaneous measurement of monomeric and dimeric line-shapes Two-dimensional electronic spectra of an aggregating dye: simultaneous measurement of monomeric and dimeric line-shapes (en)
skos:prefLabel	Two-dimensional electronic spectra of an aggregating dye: simultaneous measurement of monomeric and dimeric line-shapes Two-dimensional electronic spectra of an aggregating dye: simultaneous measurement of monomeric and dimeric line-shapes (en)
skos:notation	RIV/00216208:11320/09:00206896!RIV10-GA0-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP202/07/P278), Z(MSM0021620835)
http://linked.open...iv/cisloPeriodika	28
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Mančal, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	347190
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/09:00206896
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Two-dimensional; electronic; spectra; aggregating; simultaneous; measurement; monomeric; dimeric; line-shapes (en)
http://linked.open.../riv/klicoveSlovo	measurement electronic spectra aggregating dimeric line-shapes monomeric simultaneous Two-dimensional
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[3FC612A2260A]
http://linked.open...i/riv/nazevZdroje	Physical Chemistry Chemical Physics
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Theory of Multi-dimensional Nonlinear Spectroscopy of Excitonic Complexes: Relation between Structure and Function of Photosynthetic Systems
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	11
http://linked.open...iv/tvurceVysledku	Lukeš, Vladimír Mančal, Tomáš Milota, Franz Nemeth, Alexandra Sperling, Jaroslaw Kauffmann, Harald
http://linked.open...ain/vavai/riv/wos	000268034900019
http://linked.open...n/vavai/riv/zamer	Fyzika molekulárních, makromolekulárních a biologických systémů
issn	1463-9076
number of pages	12 (xsd:int)
http://localhost/t...ganizacniJednotka	11320

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