Electronic defects in metal oxide photocatalysts
A deep understanding of defects is essential for the optimization of materials for solar energy
conversion. This is particularly true for metal oxide photo (electro) catalysts, which typically …
conversion. This is particularly true for metal oxide photo (electro) catalysts, which typically …
The kinetics of metal oxide photoanodes from charge generation to catalysis
Generating charge carriers with lifetimes long enough to drive catalysis is a critical aspect for
photoelectrochemical and photocatalytic systems, and a key determinant of their efficiency …
photoelectrochemical and photocatalytic systems, and a key determinant of their efficiency …
Steering electron–hole migration pathways using oxygen vacancies in tungsten oxides to enhance their photocatalytic oxygen evolution performance
The overall water splitting efficiency is mainly restricted by the slow kinetics of oxygen
evolution. Therefore, it is essential to develop active oxygen evolution catalysts. In this …
evolution. Therefore, it is essential to develop active oxygen evolution catalysts. In this …
Low-bias photoelectrochemical water splitting via mediating trap states and small polaron hopping
Metal oxides are promising for photoelectrochemical (PEC) water splitting due to their
robustness and low cost. However, poor charge carrier transport impedes their activity …
robustness and low cost. However, poor charge carrier transport impedes their activity …
Emerging ultrafast techniques for studying quantum materials
In quantum materials, emergent functional properties resulting from strong correlations or
electronic topology offer opportunities for new applications. Over the past decade, ultrafast …
electronic topology offer opportunities for new applications. Over the past decade, ultrafast …
Hole utilization in solar hydrogen production
MZ Rahman, T Edvinsson, J Gascon - Nature Reviews Chemistry, 2022 - nature.com
In photochemical production of hydrogen from water, the hole-mediated oxidation reaction is
the rate-determining step. A poor solar-to-hydrogen efficiency is usually related to a …
the rate-determining step. A poor solar-to-hydrogen efficiency is usually related to a …
Electrolyte-assisted polarization leading to enhanced charge separation and solar-to-hydrogen conversion efficiency of seawater splitting
Photocatalytic splitting of seawater for hydrogen evolution has attracted a great deal of
attention in recent years. However, the poor energy conversion efficiency and stability of …
attention in recent years. However, the poor energy conversion efficiency and stability of …
Imaging photogenerated charge carriers on surfaces and interfaces of photocatalysts with surface photovoltage microscopy
Understanding photogenerated charge separation on the nano-to micrometer scale is the
key to optimizing the photocatalytic solar energy conversion efficiency. In the past few years …
key to optimizing the photocatalytic solar energy conversion efficiency. In the past few years …
Attosecond spectroscopy for the investigation of ultrafast dynamics in atomic, molecular and solid-state physics
R Borrego-Varillas, M Lucchini… - Reports on Progress in …, 2022 - iopscience.iop.org
Since the first demonstration of the generation of attosecond pulses (1 as= 10− 18 s) in the
extreme-ultraviolet spectral region, several measurement techniques have been introduced …
extreme-ultraviolet spectral region, several measurement techniques have been introduced …
Unraveling charge‐separation mechanisms in photocatalyst particles by spatially resolved surface photovoltage techniques
The photocatalytic conversion of solar energy offers a potential route to renewable energy,
and its efficiency relies on effective charge separation in nanostructured photocatalysts …
and its efficiency relies on effective charge separation in nanostructured photocatalysts …