ACS Applied Energy Materials,
Год журнала:
2023,
Номер
6(13), С. 7221 - 7229
Опубликована: Июнь 16, 2023
Coupling
the
electrochemical
oxidative
upgrading
of
formaldehyde
(FOR)
with
hydrogen
evolution
reaction
(HER)
toward
energy-efficient
H2
production
and
simultaneous
chemical
is
important,
but
it
still
faces
huge
challenges.
Herein,
a
unique
hierarchical
heterojunction
designed
by
coupling
Ni(OH)2
nanosheet
S-modified
Ni
species
on
nickel
foam
substrate
(S–Ni@Ni(OH)2/NF)
via
two-step
strategy.
The
nanosheets
large
surface
area
contribute
to
offering
sufficient
sites
for
grafting
S–Ni
species,
constructing
coupled
heterostructure
realize
greatly
improved
kinetics
both
HER
FOR
processes.
As
result,
S–Ni@Ni(OH)2/NF
delivers
an
overpotential
50
mV
at
10
mA
cm–2
low
potential
1.36
V
acquire
current
density
FOR.
For
HER||FOR-coupled
system,
built-in
electrolyzer
only
needs
1.58
as
well
superior
stability.
This
work
presents
facile
strategy
exploit
bifunctional
electrodes
generation
energy-saving
way
reforming.
Catalysts,
Год журнала:
2023,
Номер
13(7), С. 1102 - 1102
Опубликована: Июль 14, 2023
Semiconductor-based
photocatalytic
reactions
are
a
practical
class
of
advanced
oxidation
processes
(AOPs)
to
address
energy
scarcity
and
environmental
pollution.
By
utilizing
solar
as
clean,
abundant,
renewable
source,
this
process
offers
numerous
advantages,
including
high
efficiency,
eco-friendliness,
low
cost.
In
review,
we
present
several
methods
construct
various
photocatalyst
systems
with
excellent
visible
light
absorption
efficient
charge
carrier
separation
ability
through
the
optimization
materials
design
reaction
conditions.
Then
it
introduces
fundamentals
photocatalysis
in
both
clean
generation
remediation.
other
parts,
introduce
approaches
enhance
activity
by
applying
different
strategies,
semiconductor
structure
modification
(e.g.,
morphology
regulation,
co-catalysts
decoration,
doping,
defect
engineering,
surface
sensitization,
heterojunction
construction)
tuning
optimizing
conditions
(such
concentration,
initial
contaminant
pH,
temperature,
intensity,
charge-carrier
scavengers).
Then,
comparative
study
on
performance
recently
examined
photocatalysts
applied
production
remediation
will
be
discussed.
To
realize
these
goals,
H2
via
water
splitting,
CO2
reduction
value-added
products,
dye,
drug
photodegradation
lessen
toxic
chemicals,
presented.
Subsequently,
report
dual-functional
for
simultaneous
pollutant
reactions.
brief
discussion
about
industrial
economical
applications
is
described.
The
follows
introducing
application
artificial
intelligence
machine
learning
selection
an
innovative
issues.
Finally,
summary
future
research
directions
toward
developing
significantly
improved
efficiency
stability
provided.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(16)
Опубликована: Янв. 2, 2024
Abstract
Photocatalytic
degradation
is
one
of
the
most
promising
methods
for
addressing
environmental
issues
without
introducing
pollution
sources.
Nonetheless,
majority
works
are
devoted
to
explore
high‐efficiency
semiconductor
photocatalysts,
but
potential
risks
in
their
application
usually
neglected.
In
this
work,
an
environmentally
friendly
vesicle‐structured
photocatalyst
rationally
designed
by
employing
magnetic
layered
double
oxide‐hollow
spheres@antimony
tin
oxide
as
a
core,
phospholipid
membrane,
and
carbon
nanotubes
(CNTs)
channels,
yielding
multi‐structural
material
with
robust
organic
pollutants
photocatalytic
mineralization
ability.
Materials
characterization,
computational
modeling,
cytotoxicity
tests
suggest
that
under
visible
light
irradiation,
photogenerated
charges
can
be
rapidly
generated
transfer
core
composite,
H
2
O
effectively
activated
generate
hydroxyl
radical
rapid
degradation.
The
construction
membranes
embedded
CNTs
not
only
maintains
photodegradation
performance
material,
also
restrains
its
risk.
Such
synthetic
approach
advances
development
bionic
materials.
