In-situ Characterization of Molecular Processes in Liquids by Ultrafast X-ray Absorption Spectroscopy

Chergui, Majed

doi:10.1007/978-3-642-45152-2_1

Cited by 7 publications

(2 citation statements)

References 185 publications

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“…The pioneering work of the Zewail group on ultrafast electron diffraction and, more recently, microscopy and electron energy loss spectroscopy has been reviewed in several excellent papers and is beyond the scope of this Review. − Rather, here we focus more specifically on the studies using X-ray pulses that have been undertaken in the last 15 years to probe the photoinduced structural changes in molecular systems, either in solutions or in crystalline forms. While several reviews have already been published on the X-ray probing of molecular systems, ,− this is the first that binds together the solution and crystalline phases.…”

Section: Introductionmentioning

confidence: 99%

Photoinduced Structural Dynamics of Molecular Systems Mapped by Time-Resolved X-ray Methods

2017

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ABSTRACT:We review the tremendous advances in ultrafast X-ray science, over the past 15 years, making the best use of new ultrashort x-ray sources including table-top or large-scale facilities. Different complementary x-ray based techniques, including spectroscopy, scattering and diffraction, are presented. The broad and expanding spectrum of these techniques in the ultrafast time domain, is delivering new insight into the dynamics of molecular systems, of solutions, of solids and of Biosystems. Probing the time evolution of the electronic and structural degrees of freedom of these systems on the timescales of femtosecond to picoseconds delivers new insight into our understanding of dynamical matter.

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Section: Introductionmentioning

confidence: 99%

Photoinduced Structural Dynamics of Molecular Systems Mapped by Time-Resolved X-ray Methods

2017

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“…In particular, this last facility is opening the possibility of carrying out ultrafast XANES studies on dilute molecular systems in liquids [64][65][66].…”

Section: Page 11 Of 23mentioning

confidence: 98%

Time resolved X-ray absorption spectroscopy in condensed matter: A road map to the future

Dell’Angela

Parmigiani

Malvestuto

2015

Journal of Electron Spectroscopy and Related Phenomena

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Spectral Signatures of Ultrafast Spin Crossover in Single Crystal [Fe^II(bpy)₃](PF₆)₂

Field

Liu

Gawełda

et al. 2016

Chemistry A European J

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Solvated iron(II)-tris(bipyridine) ([Fe(II)(bpy)3](2+)) has been extensively studied with regard to the spin crossover (SCO) phenomenon. Herein, the ultrafast spin transition dynamics of single crystal [Fe(II)(bpy)3](PF6)2 was characterized for the first time using femtosecond transient absorption (TA) spectroscopy. The single crystal environment is of interest for experiments that probe the nuclear motions involved in the SCO transition, such as femtosecond X-ray and electron diffraction. We found that the TA at early times is very similar to what has been reported in solvated [Fe(II)(bpy)3](2+), whereas the later dynamics are perturbed in the crystal environment. The lifetime of the high-spin state is found to be much shorter (100 ps) than in solution due to chemical pressure exerted by the lattice. Oscillatory behavior was observed on both time scales. Our results show that single crystal [Fe(II)(bpy)3](PF6)2 serves as an excellent model system for localized molecular spin transitions.

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In-situ Characterization of Molecular Processes in Liquids by Ultrafast X-ray Absorption Spectroscopy

Cited by 7 publications

References 185 publications

Photoinduced Structural Dynamics of Molecular Systems Mapped by Time-Resolved X-ray Methods

Photoinduced Structural Dynamics of Molecular Systems Mapped by Time-Resolved X-ray Methods

Time resolved X-ray absorption spectroscopy in condensed matter: A road map to the future

Spectral Signatures of Ultrafast Spin Crossover in Single Crystal [Fe^II(bpy)₃](PF₆)₂

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In-situ Characterization of Molecular Processes in Liquids by Ultrafast X-ray Absorption Spectroscopy

Cited by 7 publications

References 185 publications

Photoinduced Structural Dynamics of Molecular Systems Mapped by Time-Resolved X-ray Methods

Photoinduced Structural Dynamics of Molecular Systems Mapped by Time-Resolved X-ray Methods

Time resolved X-ray absorption spectroscopy in condensed matter: A road map to the future

Spectral Signatures of Ultrafast Spin Crossover in Single Crystal [FeII(bpy)3](PF6)2

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Spectral Signatures of Ultrafast Spin Crossover in Single Crystal [Fe^II(bpy)₃](PF₆)₂