ACS Materials Letters,
Год журнала:
2025,
Номер
unknown, С. 585 - 594
Опубликована: Янв. 15, 2025
Sunlight
is
an
ideal
energy
source
for
the
catalytic
degradation
of
micropollutants
from
water.
However,
it
remains
a
challenge
to
achieve
efficient
sunlight-driven
degradation.
Here,
we
report
integration
3D
printed
flow-through
photoreactor
with
Z-scheme
AgI/Bi2WO6/poly(ether
sulfone)
(AgI/Bi2WO6/PES)
photocatalytic
membrane
light-driven
removal
antibiotics
and
steroid
hormones.
Notably,
rates
are
achieved
above
96%
over
wide
range
concentrations,
200
ng
L–1
10
mg
L–1,
setting
highest
record
as
compared
reported
cases
date.
Under
natural
sunlight,
impressive
99%
rate
LEV
demonstrated.
We
technologically
determine
limiting
factor
micropollutant
degradation,
while
mechanism
fundamentally
elucidated
experimental
evidence.
This
work
provides
effective
approach
removing
under
sunlight
offers
insights
design
water
treatment
devices
through
synergy
photoreactors
heterojunction
materials.
EcoEnergy,
Год журнала:
2023,
Номер
1(2), С. 425 - 436
Опубликована: Дек. 1, 2023
Abstract
Introducing
oxygen
atoms
into
nickel‐based
alloys
is
an
effective
strategy
for
constructing
water
dissociation
sites
hydrogen
evolution
reaction
(HER).
However,
controlling
content
to
realize
the
best
match
of
and
adsorption
challenging.
Herein,
we
exploit
self‐integration
process
MoNi
alloy
in
molten
salts
introduce
atoms,
which
ultimately
leads
localized
generation
robust
NiO
x
H
y
around
alloys.
Interestingly,
Mo
further
doped
(Mo‐NiO
)
construct
active
center
due
high
mobility
ionic
solutions.
Owing
covering
space
confinement
salt,
exactly
decorated
with
Mo‐NiO
nanosheets.
Both
physical
characterization
density
functional
theory
calculation
prove
that
electron
transport,
capability,
are
finely
tuned
benefited
from
O
doping,
thus
greatly
expediting
HER
kinetics.
exhibits
a
much
lower
overpotential
33
mV
at
10
cm
−2
alkaline
electrolyte,
even
superior
Pt/C
benchmark.
Moreover,
final
requires
low
57
acidic
media.
This
enhancement
ascribed
successful
assembly
foam
elicited
by
salt.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(29)
Опубликована: Май 7, 2024
Abstract
The
electric
double
layer
(EDL)
at
the
electrode/electrolyte
interface
plays
a
crucial
role
to
electrochemical
reactions
of
zinc
ion
batteries.
For
Zn
anode,
EDL
consists
H
2
O
dipoles,
which
can
cause
corrosion
and
passivation.
Herein,
localized
electronic‐rich
(LER)
structure
performing
as
soild
electrolyte
interphase
(SEI)
changes
electron
distribution,
leading
rapid
capture
2+
,
thus
promoting
desolvation
cH
shell.
Moreover,
LER
generates
an
electrostatic
repulsion
effect
SO
4
2−
.
Consequently,
unique
O‐poor
is
reconstructed
with
distribution
‐H
O‐SO
inhibits
side
improves
deposition
kinetics
In
situ
Raman
intuitively
confirms
that
zinc‐ion‐flux
uniform
during
whole
electroplating
process.
regulator
for
structure,
leads
smooth
fast
deposition.
performance
enhancement
demonstrated
by
LER@Zn//LER@Zn
cells,
exhibit
exceptional
lifespan
4800
h.
Furthermore,
LER@Zn///MnO
cell
shows
improved
cycling
stability
over
1500
cycles,
high
capacity
124
mAh
g
−1
5
C.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(17), С. 11968 - 11977
Опубликована: Апрель 17, 2024
The
direct
oxidation
of
CH4
to
C2H5OH
is
attractive
but
challenging
owing
the
intricate
processes
involving
carbon-chain
growth
and
hydroxylation
simultaneously.
inherent
difficulty
arises
from
strong
tendency
overoxidize
in
commonly
used
pressurized
powder
suspension
systems
rich
reactive
oxygen
radicals
(ROR),
which
are
specifically
designed
for
concentration
activation.
Meanwhile,
nucleophilic
attack
potent
ROR
on
C–C
bond
resulting
product
ultimately
leads
a
higher
selectivity
C1
oxygenates.
This
study
addresses
this
multifaceted
issue
by
designing
three-phase
interface
based
hydrophilic
floating
Fe(III)-cross-linked
macroporous
alginate
hydrogel
film
encapsulated
with
C3N4
[Fe(III)@ACN]
simultaneously
enhance
accessibility
H2O
molecules
active
sites
species
within
channel.
properties
Fe(III)@ACN
allow
situ
production
H2O2
through
water
reaction
under
irradiation.
concurrent
photoinduced
Fe(II)
triggers
Fenton
produce
•OH.
enhanced
mass
transfer
at
ensures
efficient
formation
•CH3
reacting
•OH,
facilitating
conversion
pathway
CH3OH
finally
•OH
present
comparable
concentrations.
Thus,
catalyst
exhibits
remarkable
96%
alcohol,
achieving
90%
alcohol
products.
rate
reaches
171.7
μmol
g–1
h–1
without
need
precious-metal
additive.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 4, 2025
The
photocatalytic
hydrolysis
method
represents
a
significant
potential
solution
to
the
dual
challenges
of
energy
security
and
environmental
sustainability.
selection
suitable
materials
systems
is
paramount
importance
for
successful
implementation
hydrogen
production
technology.
In
this
study,
in
situ
reduction
Co
nanoparticles
on
MnO
was
successfully
performed
by
calcining
MnCo-PBA.
Furthermore,
graphdiyne
(GDY)
introduced
physical
agitation.
introduction
GDY
reduced
Co/MnO
agglomeration
made
Co/MnO/GDY
catalyst
exhibit
high
activity
production,
with
an
optimum
rate
2117.33
μmol·g-1·h-1,
which
4.88
2.67
times
higher
than
that
Co/MnO,
respectively.
results
photoelectrochemical
test
indicate
composite
has
better
photogenerated
carrier
separation
efficiency.
X-ray
photoelectron
spectroscopy,
density
functional
theory
calculations,
electron
paramagnetic
resonance
were
used
investigate
transfer
mechanism
during
process,
confirming
presence
S-scheme
heterojunction
ohmic
junction,
enhance
carriers.
GDY-based
constructed
study
significantly
bimetallic
catalysts.
