Journal of CO2 Utilization,
Journal Year:
2023,
Volume and Issue:
79, P. 102639 - 102639
Published: Dec. 11, 2023
The
excessive
consumption
of
fossil
fuels
has
led
to
a
rapid
surge
in
atmospheric
CO2
concentration,
triggering
severe
energy
crises
and
environmental
concerns.
In
this
context,
photoelectrochemical
(PEC)
technology
for
reduction
is
perceived
as
highly
appealing
resolution,
due
its
integration
the
advantages
offered
by
both
photocatalysis
electrocatalysis.
Undoubtedly,
photocathode
plays
pivotal
role
within
PEC
system.
Among
various
catalysts,
copper
(Cu)-based
photocathodes
have
garnered
significant
attention
owing
their
low
toxicity,
affordability,
advantageous
band
gap
distinctive
active
sites
that
enable
conversion
into
diversity
products
including
carbon
monoxide
(CO),
formic
acid
(HCOOH),
methane
(CH4),
ethylene
(C2H4),
ethanol
(C2H5OH)
so
on.
This
review
primarily
delves
current
developments
Cu-based
reduction,
encompassing
aspects
like
material
fabrication
processes
modification
techniques.
Subsequently,
an
analysis
presented
regarding
reaction
mechanisms
underlying
different
products.
Finally,
anticipatory
perspective
provided
future
research
field
reduction.
enables
researchers
promptly
capture
latest
advancements
offers
valuable
insights
on
design
synthesis
photocathode,
provides
guideline
achieve
enhanced
improvements
conversion.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(33), P. 21677 - 21703
Published: Jan. 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.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 9, 2024
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,
Journal Year:
2024,
Volume and Issue:
12(24), P. 14268 - 14301
Published: Jan. 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.
