Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Abstract
Developing
S‐scheme
systems
with
high
photocatalytic
performance
is
crucial
for
long‐term
solar‐to‐hydrogen
conversion.
In
this
study,
hollow
cobalt
tetrasulfide
(Co
3
S
4
)
nanoboxes
(NBs),
synthesized
via
sulfurization
using
zeolitic
imidazolate
framework
(ZIF‐67)
as
a
template,
are
combined
cadmium
sulfide
(CdS)
nanoparticles
(NPs)
to
construct
heterojunction
photocatalysts
under
mild
conditions.
The
optimized
CdS/Co
double‐shelled
(DSNBs)
achieved
superior
hydrogen
production
rate
of
23.45
mmol
h
−1
g
visible
light,
approximately
24
times
greater
than
that
pure
CdS
NPs.
apparent
quantum
efficiency
(AQE)
DSNBs
18.5
%.
distinctive
structure
enhances
visible‐light‐harvesting
by
exposing
active
sites,
enabling
multiple
light
reflections,
and
allowing
the
thin
shells
shorten
transport
distance
charge
carriers,
effectively
minimizing
recombination.
improved
photoactivity
results
from
synergistic
effects
aligned
bandgap
structures,
strong
visible‐light
absorption,
interfacial
interactions
driven
inherent
electric
field
(IEF).
findings
offer
insights
into
designing
efficient
catalysts
sustainable
evolution
through
water
splitting.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(32), P. 20990 - 20998
Published: Jan. 1, 2024
This
work
benchmarks
ionomers
for
CO
2
electroreduction
to
multicarbon
products.
Ionomers
with
stronger
hydrophobicity
or
having
bulkier
and
less
hydrated
ionised
side
chains
were
found
favour
*CO
adsorption
product
formation.
Coatings,
Journal Year:
2025,
Volume and Issue:
15(1), P. 32 - 32
Published: Jan. 2, 2025
As
global
CO2
emissions
continue
to
rise,
addressing
their
environmental
impact
is
critical
in
combating
climate
change.
Photocatalytic
reduction,
which
mimics
natural
photosynthesis
by
converting
into
valuable
fuels
and
chemicals
using
solar
energy,
represents
a
promising
approach
for
both
reducing
storing
energy
sustainably.
However,
the
development
of
efficient
photocatalysts,
particularly
those
capable
absorbing
visible
light,
remains
challenge.
Graphitic
carbon
nitride
(g-C3N4)
has
gained
attention
its
light
absorption
chemical
stability,
though
performance
hindered
rapid
electron–hole
recombination.
Similarly,
bismuth
tungstate
(Bi2WO6)
visible-light-active
photocatalyst
with
properties,
but
also
suffers
from
limited
efficiency
due
charge
To
overcome
these
limitations,
this
study
focuses
on
design
synthesis
g-C3N4/Bi2WO6
composite
photocatalyst,
leveraging
complementary
properties
materials.
The
benefits
enhanced
separation
through
formation
heterojunction,
recombination
rates
improving
overall
photocatalytic
performance.
optimized
exhibited
significant
improvements
production
CH4
CO,
achieving
18.90
17.78
μmol/g/h,
respectively,
are
2.6
times
1.6
higher
than
pure
Bi2WO6.
explores
how
optimizing
interface,
increasing
surface
area,
adjusting
material
ratios
can
further
enhance
reduction.
Our
findings
demonstrate
potential
solar-driven
conversion,
offering
new
insights
paving
way
future
advancements
mitigation
technologies.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 24, 2025
The
present
work
is
focused
on
designing
a
sustainable
catalyst
for
the
photocatalytic
conversion
of
CO2
to
methanol
under
visible
light
irradiation.
Notably,
most
catalysts
are
made
costly,
nonearth-abundant
metal
resources,
which
can
partially
hinder
large-scale
implementation
utilization
efforts.
Thus,
highly
efficient
CuCo-ZIF@g-C3N4
composite
photocatalyst
was
prepared
using
copper
sulfate
(CuSO4)
and
cobalt
(CoSO4)
recovered
from
mining
waste.
resulting
offers
enhanced
activity
relative
individual
CuCo-ZIF
graphitic
carbon
nitride
(g-C3N4)
building
blocks
during
assessed
separately.
Also,
catalyst's
morphology,
structure,
photoelectrochemical
characteristics
were
accessed,
mechanism
synergy
between
components
systematically
explored.
catalytic
process
optimized
via
response
surface
methodology,
dramatically
improving
initial
yield
1018.65
μmol/gcat
an
impressive
1876.8
with
apparent
quantum
0.139%.
results
this
study
provide
insight
into
application
resources
photoreduction.
