Reaction dynamics studied via femtosecond X-ray liquidography at X-ray free-electron lasers

EH Choi, Y Lee, J Heo, H Ihee - Chemical Science, 2022 - pubs.rsc.org
X-ray free-electron lasers (XFELs) provide femtosecond X-ray pulses suitable for pump–
probe time-resolved studies with a femtosecond time resolution. Since the advent of the first …

Structural dynamics of proteins explored via time-resolved x-ray liquidography

Y Lee, H Lee, H Ihee - Chemical Physics Reviews, 2022 - pubs.aip.org
The structure of a protein is closely related to its biological function. In this regard, structural
changes, as well as static structures, have been scrutinized as essential elements in …

Tracking the picosecond deactivation dynamics of a photoexcited iron carbene complex by time-resolved X-ray scattering

D Leshchev, TCB Harlang, LA Fredin, D Khakhulin… - Chemical …, 2018 - pubs.rsc.org
Recent years have seen the development of new iron-centered N-heterocyclic carbene
(NHC) complexes for solar energy applications. Compared to typical ligand systems, the …

Hexakis (2, 3, 6-tri-O-methyl)-α-cyclodextrin–I 5− complex in aqueous I−/I 3− thermocells and enhancement in the Seebeck coefficient

Y Liang, T Yamada, H Zhou, N Kimizuka - Chemical Science, 2019 - pubs.rsc.org
A large Seebeck coefficient (Se) of 1.9 mV K− 1 was recorded for the I−/I3− thermocell by
utilizing the host-guest complexation of hexakis (2, 3, 6-tri-O-methyl)-α-cyclodextrin (Me18-α …

Ultrafast X-ray crystallography and liquidography

H Ki, KY Oang, J Kim, H Ihee - Annual Review of Physical …, 2017 - annualreviews.org
Time-resolved X-ray diffraction provides direct information on three-dimensional structures
of reacting molecules and thus can be used to elucidate structural dynamics of chemical and …

Tracking reaction dynamics in solution by pump–probe X-ray absorption spectroscopy and X-ray liquidography (solution scattering)

J Kim, KH Kim, KY Oang, JH Lee, K Hong… - Chemical …, 2016 - pubs.rsc.org
Characterization of transient molecular structures formed during chemical and biological
processes is essential for understanding their mechanisms and functions. Over the last …

Adsorption Behavior of I3 and I Ions at a Nanoporous NiO/Acetonitrile Interface Studied by X-ray Photoelectron Spectroscopy

M Bonomo, D Dini, AG Marrani - Langmuir, 2016 - ACS Publications
The adsorption of I–and I3–anions, ie, the two species constituting the most common redox
couple of dye-sensitized solar cells (DSCs), onto the surface of screen-printed nanoporous …

[HTML][HTML] SVD-aided pseudo principal-component analysis: A new method to speed up and improve determination of the optimum kinetic model from time-resolved …

KY Oang, C Yang, S Muniyappan, J Kim, H Ihee - Structural Dynamics, 2017 - pubs.aip.org
Determination of the optimum kinetic model is an essential prerequisite for characterizing
dynamics and mechanism of a reaction. Here, we propose a simple method, termed as …

Optical Kerr effect of liquid acetonitrile probed by femtosecond time-resolved x-ray liquidography

H Ki, S Choi, J Kim, EH Choi, S Lee, Y Lee… - Journal of the …, 2021 - ACS Publications
Optical Kerr effect (OKE) spectroscopy is a method that measures the time-dependent
change of the birefringence induced by an optical laser pulse using another optical laser …

Photoactivation of triosmium dodecacarbonyl at 400 nm probed with time-resolved X-ray liquidography

H Ki, TW Kim, J Moon, J Kim, Y Lee, J Heo… - Chemical …, 2022 - pubs.rsc.org
The photoactivation mechanism of Os3 (CO) 12 at 400 nm is examined with time-resolved X-
ray liquidography. The data reveal two pathways: the vibrational relaxation following an …