Breaking barriers: Novel approaches to proton-conducting oxide materials
Ceramics International,
Год журнала:
2024,
Номер
50(20), С. 40526 - 40552
Опубликована: Июнь 5, 2024
Язык: Английский
Photothermal‐Catalyzed Hydrogen Peroxide Production Enabled by Gold‐Organic Frameworks
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 20, 2025
Abstract
Gold
catalysts
are
extensively
utilized
in
photothermal
processes
that
rely
on
localized
surface
plasmon
resonance
effects.
However,
the
development
of
novel
gold(I)‐organic
frameworks
function
as
highly
efficient
for
production
hydrogen
peroxide
from
water
and
oxygen
presents
a
fascinating
challenging
research
opportunity.
Herein,
three
gold(I)
cyclic
trinuclear
complexes
(Au‐CTCs)
based
metal–organic
(MOFs)
prepared,
exhibiting
good
conversion
efficiency
H
2
O
evolution
rates.
Utilizing
optimized
Au‐TFPT,
rates
H₂O₂
can
reach
high
51,987
µ
m
g⁻¹
h⁻¹,
surpassing
performance
most
reported
(MOFs),
even
with
use
sacrificial
agents
to
accelerate
reaction.
The
thermal‐assisted
photocatalytic
mechanism
is
comprehensively
studied
by
transient
photocurrent
response,
electrochemical
impedance,
electron
paramagnetic
resonance,
rotating
ring
disk
electrode
test,
catalytic
among
others,
demonstrating
thermal
energy
enhance
mobility
photogenerated
carriers
apparent
quantum
yield,
regulate
reactive
species
ratio
selectivity,
reduce
activation
photocatalysis,
improve
mass
transfer
rates,
thereby
accelerating
reaction
process.
This
study
offers
new
insights
into
.
Язык: Английский
Three-dimensional transportation mechanism of transmission-mode AlGaN nanoarray photocathode within four steps from photon excitation to electron collection
Applied Surface Science,
Год журнала:
2025,
Номер
unknown, С. 162927 - 162927
Опубликована: Март 1, 2025
Язык: Английский
Recent advances in photothermal assisted photocatalytic CO2 reduction and H2 production by semiconductor heterojunctions
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
12(6), С. 114876 - 114876
Опубликована: Ноя. 23, 2024
Язык: Английский
Experimental Study and Optimization Analysis of Operating Conditions on Photo-Thermochemical Cycle of Water Splitting for Hydrogen Production Based on CeO2 Catalyst
Energies,
Год журнала:
2024,
Номер
17(24), С. 6314 - 6314
Опубликована: Дек. 14, 2024
The
photo-thermochemical
cycle
(PTC)
for
water
splitting
offers
a
sustainable
method
hydrogen
production
by
efficiently
utilizing
solar
energy.
This
study
explored
the
use
of
CeO2
as
catalyst
in
PTC
system
to
enhance
yield.
A
nanostructured
was
synthesized
via
sol-gel
method,
achieving
an
H2
yield
8.35
μmol
g−1
h−1.
Stability
tests
over
five
cycles
showed
consistent
yields
between
7.22
and
Analysis
revealed
that
oxygen
vacancies
(VOs)
increased
after
photoreaction
depleted
during
thermal
reaction,
which
aligns
with
expected
mechanism
production.
Single-factor
experiments
highlighted
duration
mainly
influenced
VOs
generation,
while
temperature
impacted
consumption
intermediate
reaction
rates.
response
surface
methodology
(RSM)
model
predicted
optimal
conditions
maximum
(8.85
h−1)
46.6
min,
45.4
547.2
°C.
Язык: Английский