Excited-state dynamics of Ru(tbbpy)(3)(2+) investigated by femtosecond time-resolved four-wave mixing

Benjamin Dietzek; D. Akimov; W. Kiefer; S. Rau; J. Popp; M. Schmitt

doi:10.1002/lapl.200610086

Excited-state dynamics of Ru(tbbpy)(3)(2+) investigated by femtosecond time-resolved four-wave mixing

Benjamin Dietzek, D. Akimov, W. Kiefer, S. Rau, J. Popp, M. Schmitt

Chemical Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Femtosecond time-resolved two-color four-wave mixing is employed to study the ultrafast excited-state relaxation processes in Ru(tbbpy)(3)(+2). The relaxation processes leading to a long-lived thermalized (MLCT)-M-3-state are found to take place on two distinct time-scales. An ultrafast process, which is attributed to intersystem crossing, rapidly depopulating the initially photoexcited (MLCT)-M-1-state, is found to take place in less than 200 fs. The second process visible in the experimental data occurs on a picosecond time-scale and is assigned to cooling within the (MLCT)-M-3-state.

Original language	English
Pages (from-to)	121-125
Journal	Laser Physics Letters
Volume	4
Issue number	2
DOIs	https://doi.org/10.1002/lapl.200610086
Publication status	Published - 2007

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Chemical Physics (S) (011001060)

Subject classification (UKÄ)

Atom and Molecular Physics and Optics

Free keywords

transition metal complexes
excited-state dynamics
ferntosecond time-resolved non-linear spectroscopy
transient grating

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10.1002/lapl.200610086

Cite this

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title = "Excited-state dynamics of Ru(tbbpy)(3)(2+) investigated by femtosecond time-resolved four-wave mixing",

abstract = "Femtosecond time-resolved two-color four-wave mixing is employed to study the ultrafast excited-state relaxation processes in Ru(tbbpy)(3)(+2). The relaxation processes leading to a long-lived thermalized (MLCT)-M-3-state are found to take place on two distinct time-scales. An ultrafast process, which is attributed to intersystem crossing, rapidly depopulating the initially photoexcited (MLCT)-M-1-state, is found to take place in less than 200 fs. The second process visible in the experimental data occurs on a picosecond time-scale and is assigned to cooling within the (MLCT)-M-3-state.",

keywords = "transition metal complexes, excited-state dynamics, ferntosecond time-resolved non-linear spectroscopy, transient grating",

author = "Benjamin Dietzek and D. Akimov and W. Kiefer and S. Rau and J. Popp and M. Schmitt",

note = "The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Chemical Physics (S) (011001060)",

year = "2007",

doi = "10.1002/lapl.200610086",

language = "English",

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journal = "Laser Physics Letters",

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T1 - Excited-state dynamics of Ru(tbbpy)(3)(2+) investigated by femtosecond time-resolved four-wave mixing

AU - Dietzek, Benjamin

AU - Akimov, D.

AU - Kiefer, W.

AU - Rau, S.

AU - Popp, J.

AU - Schmitt, M.

N1 - The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Chemical Physics (S) (011001060)

PY - 2007

Y1 - 2007

N2 - Femtosecond time-resolved two-color four-wave mixing is employed to study the ultrafast excited-state relaxation processes in Ru(tbbpy)(3)(+2). The relaxation processes leading to a long-lived thermalized (MLCT)-M-3-state are found to take place on two distinct time-scales. An ultrafast process, which is attributed to intersystem crossing, rapidly depopulating the initially photoexcited (MLCT)-M-1-state, is found to take place in less than 200 fs. The second process visible in the experimental data occurs on a picosecond time-scale and is assigned to cooling within the (MLCT)-M-3-state.

AB - Femtosecond time-resolved two-color four-wave mixing is employed to study the ultrafast excited-state relaxation processes in Ru(tbbpy)(3)(+2). The relaxation processes leading to a long-lived thermalized (MLCT)-M-3-state are found to take place on two distinct time-scales. An ultrafast process, which is attributed to intersystem crossing, rapidly depopulating the initially photoexcited (MLCT)-M-1-state, is found to take place in less than 200 fs. The second process visible in the experimental data occurs on a picosecond time-scale and is assigned to cooling within the (MLCT)-M-3-state.

KW - transition metal complexes

KW - excited-state dynamics

KW - ferntosecond time-resolved non-linear spectroscopy

KW - transient grating

U2 - 10.1002/lapl.200610086

DO - 10.1002/lapl.200610086

M3 - Article

SN - 1612-2011

VL - 4

SP - 121

EP - 125

JO - Laser Physics Letters

JF - Laser Physics Letters

IS - 2

ER -

Excited-state dynamics of Ru(tbbpy)(3)(2+) investigated by femtosecond time-resolved four-wave mixing

Abstract

Bibliographical note

Subject classification (UKÄ)

Free keywords

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