Ultrafast electron dynamics in solar energy conversion

CS Ponseca Jr, P Chábera, J Uhlig, P Persson… - Chemical …, 2017 - ACS Publications
Electrons are the workhorses of solar energy conversion. Conversion of the energy of light to
electricity in photovoltaics, or to energy-rich molecules (solar fuel) through photocatalytic …

K-and L-edge X-ray absorption spectroscopy (XAS) and resonant inelastic X-ray scattering (RIXS) determination of differential orbital covalency (DOC) of transition …

ML Baker, MW Mara, JJ Yan, KO Hodgson… - Coordination chemistry …, 2017 - Elsevier
Continual advancements in the development of synchrotron radiation sources have resulted
in X-ray based spectroscopic techniques capable of probing the electronic and structural …

Uncovering Dynamic Edge‐Sites in Atomic Co− N− C Electrocatalyst for Selective Hydrogen Peroxide Production

J Hu, W Shang, C **n, J Guo, X Cheng… - Angewandte …, 2023 - Wiley Online Library
Understanding the nature of single‐atom catalytic sites and identifying their spectroscopic
fingerprints are essential prerequisites for the rational design of target catalysts. Here, we …

3dd Excited States of Ni(II) Complexes Relevant to Photoredox Catalysis: Spectroscopic Identification and Mechanistic Implications

SI Ting, S Garakyaraghi, CM Taliaferro… - Journal of the …, 2020 - ACS Publications
Synthetic organic chemistry has seen major advances due to the merger of nickel and
photoredox catalysis. A growing number of Ni-photoredox reactions are proposed to involve …

Molecular Design Principles to Elongate the Metal-to-Ligand Charge Transfer Excited-State Lifetimes of Square-Planar Nickel (II) Complexes

T Ogawa, N Sinha, B Pfund, A Prescimone… - Journal of the …, 2022 - ACS Publications
Square-planar NiII complexes and their electronically excited states play key roles in cross-
coupling catalysis and could offer new opportunities to complement well-known …

Using X-ray free-electron lasers for spectroscopy of molecular catalysts and metalloenzymes

U Bergmann, J Kern, RW Schoenlein, P Wernet… - Nature Reviews …, 2021 - nature.com
The metal centres in metalloenzymes and molecular catalysts are responsible for the
rearrangement of atoms and electrons during complex chemical reactions, and they enable …

Vibrational wavepacket dynamics in Fe carbene photosensitizer determined with femtosecond X-ray emission and scattering

K Kunnus, M Vacher, TCB Harlang, KS Kjær… - Nature …, 2020 - nature.com
The non-equilibrium dynamics of electrons and nuclei govern the function of photoactive
materials. Disentangling these dynamics remains a critical goal for understanding …

Capturing photochemical and photophysical transformations in iron complexes with ultrafast X-ray spectroscopy and scattering

KJ Gaffney - Chemical science, 2021 - pubs.rsc.org
Light-driven chemical transformations provide a compelling approach to understanding
chemical reactivity with the potential to use this understanding to advance solar energy and …

A fluorescence-detected coordination-induced spin state switch

H Kurz, K Schötz, I Papadopoulos… - Journal of the …, 2021 - ACS Publications
The response of the spin state to in situ variation of the coordination number (CISSS) is a
promising and viable approach to smart sensor materials, yet it suffers to date from …

The Inner Shell Spectroscopy beamline at NSLS-II: a facility for in situ and operando X-ray absorption spectroscopy for materials research

D Leshchev, M Rakitin, B Luvizotto… - Synchrotron …, 2022 - journals.iucr.org
The Inner Shell Spectroscopy (ISS) beamline on the 8-ID station at the National Synchrotron
Light Source II (NSLS-II), Upton, NY, USA, is a high-throughput X-ray absorption …