ACS Applied Nano Materials,
Год журнала:
2023,
Номер
6(12), С. 10539 - 10550
Опубликована: Июнь 9, 2023
Cuprous
oxide
(Cu2O)
has
attracted
tremendous
attention
in
the
field
of
photocatalytic
CO2
conversion
due
to
excellent
optical
character
and
carrier
separation
efficiency.
However,
is
a
multiple
proton-coupled
electron
transfer
process
that
usually
produces
various
products,
it
still
major
challenge
for
improving
yield
selectivity
single
product.
Herein,
low-temperature
deposition
method
combined
with
dynamic
hydrogen
bubble
template
was
used
synthesize
Ag/Cu2O
photocatalyst
tackle
this
problem.
The
porous
nanostructures
exhibits
performance
reduction.
CO
Ag/Cu2O-0.04
22.52
nmol
cm–2
h–1
(43.04
μmol
g–1
h–1),
which
about
1.5
times
original
sample.
For
CO,
increased
by
22%
compared
Cu2O,
reaching
82.9%.
Combined
density
functional
theory
Fourier
transform
infrared
spectroscopy,
found
Ag
loading
changes
adsorption
configuration
on
catalyst
from
bidentate
carbonate
monodentate
carbonate,
CO.
In
addition,
Schottky
junction
accelerates
surface
reaction
kinetics
acceleration
transportation
photogenerated
carriers.
Therefore,
work
provides
an
idea
develop
high-efficient
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(33), С. 21677 - 21703
Опубликована: Янв. 1, 2024
This
review
examines
recent
research
advances
for
photocatalytic
reduction
of
CO
2
to
C
2+
products
and
predicts
possible
future
directions
further
improve
the
selectivity
multi-carbon
species.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
Abstract
Currently,
thermal
catalysis
is
the
predominant
method
for
achieving
reverse
water–gas
shift
(RWGS)
reaction
reduction
of
carbon
dioxide
(CO
2
)
to
monoxide
(CO),
which
a
crucial
intermediate
in
synthesis
other
high
value‐added
chemicals
via
Fischer–Tropsch
synthesis.
To
extend
applicability
CO
RR)
CO,
researchers
have
explored
RR
that
utilizes
external
fields
addition
fields.
This
review
commences
by
providing
an
overview
research
background
pertinent
and
then
primary
mechanisms
potential
pathways
associated
with
process
are
summarized.
Furthermore,
impact
various
fields,
including
traditional
light
photothermal
coupling
solar
thermochemical
laser
electric
photoelectric
electromagnetic
plasma
on
investigated.
Finally,
summary
future
perspectives
as
influenced
presented.
It
anticipated
this
will
provide
valuable
insights
focused
preparation
high‐value‐added
through
enhanced
High-entropy
oxides
(HEOs)
exhibit
great
prospects
owing
to
their
varied
composition,
chemical
adaptability,
adjustable
light-absorption
ability,
and
strong
stability.
In
this
study,
we
report
a
strategy
synthesize
series
of
porous
high-entropy
spinel
oxide
(HESO)
nanofibers
(NFs)
at
low
temperature
400
°C
by
sol–gel
electrospinning
technique.
The
key
lies
in
selecting
six
acetylacetonate
salt
precursors
with
similar
coordination
abilities,
maintaining
disordered
state
during
the
transformation
from
stable
sols
gel
NFs.
as-synthesized
HESO
NFs
(NiCuMnCoZnFe)3O4
show
high
specific
surface
area
66.48
m2/g,
diverse
elemental
dual
bandgap,
half-metallicity
property,
abundant
defects.
elements
provide
various
synergistic
catalytic
sites,
oxygen
vacancies
act
as
active
sites
for
electron–hole
separation,
while
dual-bandgap
structure
offer
excellent
light
absorption
thus
expanding
its
applicability
wide
range
photocatalytic
processes.
As
result,
can
efficiently
convert
CO2
into
CH4
CO
yields
8.03
15.89
μmol
g–1
h–1,
respectively,
without
using
photosensitizers
or
sacrificial
agents.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(24), С. 14268 - 14301
Опубликована: Янв. 1, 2024
This
review
gives
a
global
map
of
HEMs
on
the
basis
metal
entities
from
noble
metals
to
cheap
transition
and
provide
meaningful
guidance
researchers
for
exploration
advanced
water
splitting.
