iScience,
Journal Year:
2024,
Volume and Issue:
27(8), P. 110420 - 110420
Published: June 29, 2024
C3N4
is
widely
applied
in
the
synthesis
of
single-atom
catalysts.
However,
understanding
on
active
site
and
reaction
mechanism
not
fully
consensus.
Especially,
bare
studies
have
considered
coordination
environment
single-atomic
dopant
effect
nitrogen
vacancy
C3N4.
In
this
study,
we
found
that
presence
vacancies
promotes
activation
water
reduces
energy
barrier
for
hydrogen
generation.
The
results
show
a
synergistic
between
Pt
enables
catalyst
to
achieve
superior
production
rate
3,890
μmol/g/h,
which
16.8
times
higher
than
pristine
Moreover,
also
applicable
photocatalytic
from
seawater
without
significantly
decreased
rate.
This
study
paves
way
rational
design
optimization
next-generation
photocatalysts
sustainable
applications,
particularly
solar-driven
production.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(15), P. 18855 - 18866
Published: April 5, 2024
Solar-driven
interfacial
evaporation
provides
a
promising
pathway
for
sustainable
freshwater
and
energy
generation.
However,
developing
highly
efficient
photothermal
photocatalytic
nanomaterials
is
challenging.
Herein,
substoichiometric
molybdenum
oxide
(MoO3–x)
nanoparticles
are
synthesized
via
step-by-step
reduction
treatment
of
l-cysteine
under
mild
conditions
simultaneous
conversion
reactions.
The
MoO3–x
low
degree
decorated
on
hydrophilic
cotton
cloth
to
prepare
MCML
evaporator
toward
rapid
water
production,
pollutant
degradation,
as
well
electricity
obtained
has
strong
local
light-to-heat
effect,
which
can
be
attributed
excellent
the
surface
plasmon
resonance
effect
in
heat
loss
evaporator.
Meanwhile,
rich
area
localized
together
effectively
accelerate
degradation
reaction
antibiotic
tetracycline.
With
benefit
these
advantages,
attains
superior
rate
4.14
kg
m–2
h–1,
admirable
efficiency
90.7%,
adequate
96.2%
1
sun
irradiation.
Furthermore,
after
being
rationally
assembled
with
thermoelectric
module,
hybrid
device
employed
generate
1.0
W
electric
power
density.
This
work
presents
an
effective
complementary
strategy
production
sewage
generation
remote
off-grid
regions.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(27)
Published: March 1, 2024
Abstract
The
separation
of
CO
activation
and
C─C
coupling
enables
oxide–zeolite
catalyzed
tandem
reaction
toward
direct
conversion
syngas
into
light
olefins
to
be
a
promising
alternative
for
the
traditional
Fischer–Tropsch
process
with
elevated
selectivity.
Utilizing
controlled
mass
transfer
match
reactants
intermediates
presents
an
appealing
strategy
break
limitation
on
space‐time
yield
in
this
process.
In
work,
ZnCrO
x
hollow
multi‐shelled
structures
(HoMS)
are
fabricated
enhance
adsorption
enrichment
ability
syngas,
thereby
strengthening
rate‐determining
step
resulting
accelerated
generation
intermediates.
When
coupled
SAPO
zeolite,
quintuple‐shelled
HoMS‐based
catalysts
exhibit
record
high
C
2
=
‐C
4
559
mg·g
cat
−1
·h
selectivity
90%.
This
work
demonstrates
advantages
precise
nanostructure
sculpturing
behavior
microenvironment
provides
new
highly
selective
olefins,
based
efficient
sufficient
feeding
through
effects
within
HoMS.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Abstract
Polymer
dielectrics
with
high
capacitive
energy‐storage
levels
in
harsh
environments
have
become
key
components
electrostatic
capacitors.
However,
excessive
losses
polymer
caused
by
carrier
densities
at
temperatures
and
strong
electric
fields
often
result
low
energy
storage
efficiency,
which
is
the
most
challenging
problem
that
urgently
needs
to
be
solved.
In
existing
studies,
are
mainly
suppressed
limiting
formation;
however,
it
very
completely
limit
formation,
especially
fields.
Therefore,
this
perspective
proposes
regulate
transport
behavior
through
“guiding/constraining/blocking”
forms
rather
than
previously
oversimplified
limitation
strategy,
further
clarifies
dominant
structure
factors
inhibit
reduce
enhance
efficiency.
Meanwhile,
influence
of
different
structural
designs
on
behavior,
individually
or
collaboratively,
must
systematically
studied
determine
specific
mode
thereby
establishing
a
relationship
between
The
presented
expected
offer
novel
effective
theoretical
basis
for
design
fabrication
advanced
environments.
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
26(12), P. 7031 - 7037
Published: Jan. 1, 2024
Herein,
a
lead-free
halide
perovskite
Cs
3
Bi
2
Br
9
combined
with
TiO
was
facilely
synthesized
and
applied
for
photocatalytic
selective
oxidation
of
sulfides
to
sulfoxides
high
yields
good
compatibility
under
mild
conditions.
Small,
Journal Year:
2024,
Volume and Issue:
20(32)
Published: March 13, 2024
Abstract
Despite
the
intriguing
potential,
nano‐socketed
Cu/perovskite
heterostructures
for
CO
2
electroreduction
(CO
RR)
are
still
in
their
infancy
and
rational
optimization
of
RR
properties
is
lacking.
Here,
an
effective
strategy
reported
to
promote
‐to‐C
2+
conversion
over
by
A‐site‐valence‐controlled
oxygen
vacancies.
For
proof‐of‐concept
catalysts
Cu/La
0.3‐x
Sr
0.6+x
TiO
3‐δ
(x
from
0
0.3),
vacancy
concentrations
increase
controllably
with
decreased
A‐site
valences
(or
increased
x
values).
In
flow
cells,
activity
selectivity
C
present
positive
correlations
concentrations.
Among
them,
Cu/Sr
0.9
most
vacancies
shows
optimal
.
And
relative
0.3
0.6
minimum
vacancies,
exhibits
marked
improvements
(up
2.4
folds)
The
experiments
theoretical
calculations
suggest
that
optimized
performance
can
be
attributed
merits
provided
including
accelerated
charge
transfer,
enhanced
adsorption/activation
reaction
species,
reduced
energy
barrier
C─C
coupling.
Moreover,
when
explored
a
membrane‐electrode
assembly
electrolyzer,
catalyst
excellent
activity,
(43.9%),
stability
H
4
at
industrial
current
densities,
being
perovskite‐based
conversion.
