Semiconductor Science and Technology,
Journal Year:
2024,
Volume and Issue:
40(1), P. 013002 - 013002
Published: Dec. 11, 2024
Abstract
Thin-film
semiconductors
are
excellent
candidates
for
converting
solar
energy
into
chemical
via
water
splitting
because
of
their
outstanding
physical
and
properties.
This
review
aims
to
provide
the
most
recent
findings
on
production
energetic
vectors
from
photo-(electro-)catalytic
using
thin-film
as
catalysts.
Recent
successful
cases
discussed
scientific
community
with
a
guide
design
new
advanced
maximum
efficiency
scaling
process.
In
addition,
use
coatings
higher
amount
catalyst
photo(electro)catalytic
H
2
is
discussed.
Some
critical
challenges
in
this
reaction,
such
charge
recombination,
light
absorption,
recovery,
stability,
have
been
effectively
addressed
by
applying
thin
films.
adequate
photo(electro)chemical
reactors
step
improving
avoiding
mass
transfer
limit
steps.
However,
further
research
required
continuous
low-cost
manufacturing
deposition
techniques
that
favor
optimal
conditions
produce
clean
renewable
.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(15)
Published: March 10, 2024
Abstract
Electrochemical
water
splitting
plays
a
vital
role
in
facilitating
the
transition
towards
sustainable
energy
future
by
enabling
renewable
hydrogen
(H
2
)
production,
storage,
and
emission‐free
transportation.
Developing
earth‐abundant
electrocatalysts
with
outstanding
overall
water‐splitting
performance,
excellent
catalytic
activity,
robust
long‐term
stability
is
highly
important
practical
application
of
electrolysis.
Self‐supported
have
emerged
as
most
appealing
candidate
for
H
production
due
to
their
increased
active
site
loading,
rapid
mass
charge
transfer,
strong
interaction
underneath
conducting
support.
Additionally,
these
also
provide
enhanced
reaction
kinetics
stability.
Here,
comprehensive
review
recent
progress
developing
self‐supported
Fe‐based
selective
oxidation
reactions
presented
examples
oxyhydroxides,
layered
double
hydroxides,
oxides,
chalcogenides,
phosphides,
nitrides,
other
Fe‐containing
electrocatalysts.
A
historical
development
synthesis
provided,
an
emphasis
on
various
deposition
methods
choice
substrates
considering
large‐scale
commercial
applications.
An
overview
mechanistic
understanding
approaches
are
presented.
Finally,
challenges
opportunities
associated
applications
alternative
discussed.
Small,
Journal Year:
2023,
Volume and Issue:
19(48)
Published: Aug. 18, 2023
Regulating
the
electronic
structure
of
active
sites
and
monitoring
evolution
component
is
essential
to
improve
intrinsic
activity
catalysts
for
electrochemical
reactions.
Herein,
a
highly
efficient
pre-electrocatalyst
iron
diselenide
with
rich
Se
vacancies
achieved
by
phosphorus
doping
(denoted
as
P-FeSe2
)
oxygen
reaction
(OER)
reported.
Systematically
experimental
theoretical
results
show
that
formed
can
synergistically
modulate
FeSe2
facilitate
OER
kinetics
resulting
enhanced
electrical
conductivity
surface
area.
Importantly,
in
situ
FeOOH
species
on
nanorods
P-FeOOH(Se))
during
process
acts
an
efficiently
catalyze
exhibits
low
overpotential
217
mV
reach
10
mA
cm-2
good
durability.
Promisingly,
alkaline
electrolyzer
assembled
P-FeOOH(Se)
Pt/C
electrodes
requires
ultra-low
cell
voltage
1.50
V
at
overall
water
splitting,
which
superior
RuO2
||
counterpart
most
state-of-the-art
electrolyzers,
demonstrating
high
potential
fabricated
electrocatalyst
P
strategy
explore
more
selenide-based
various
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 2963 - 2972
Published: March 21, 2024
In
order
to
solve
the
problem
of
slow
water
oxidation
kinetics
and
charge
complexation
BiVO4
photoanode,
CeO2
octahedral
nanomaterials
doped
with
different
amounts
NaH2PO4
(COP3)
were
synthesized
by
a
hydrothermal
method
in
one
step.
CeO2-based
materials
have
been
widely
studied
fields
organic
catalysis,
photocatalysis
decompose
water,
photodegradation
pollutants,
showing
excellent
photocatalytic
properties.
The
heterostructure
formed
MW:BVO
COP3
(doped
0.002
g
NaH2PO4)
expands
light
absorption
range
accelerates
separation
internal
carriers.
further
improve
performance,
MW:BVO/COP3@NiFeOOH
(immersion
time
1
h
pH
=
8,
respectively)
composite
was
prepared
introducing
NiFeOOH.
As
metal
oxide
coating
additive,
NiFeOOH
can
rapidly
capture
holes
effectively
use
these
for
on
photoelectrode
surface
through
cyclic
catalytic
process.
addition,
nanocomposites
increase
active
area
accelerate
interfacial
transfer.
final
showed
photocurrent
density
(4.8
mA
cm–2
at
1.23
V
vs
RHE)
LSV
tests
due
efficient
transfer
photogenerated
It
be
seen
that
interaction
between
MW:BVO,
COP3,
not
only
improves
performance
this
new
class
but
also
highlights
importance
as
an
important
component
worthy
study.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(13), P. 15255 - 15266
Published: June 26, 2024
The
application
of
BiVO4
in
photoelectrochemical
water
splitting
for
efficient
clean
hydrogen
energy
production
encounters
challenges
arising
from
the
sluggish
kinetics
oxidation.
Motivated
by
synergistic
interplay
metal
sites
and
ligands
on
catalyst
surface,
we
utilized
photoelectric
deposition
technique
to
introduce
amorphous
nanothin
layers
cobalt–iron
double
hydroxide
(referred
as
CoFe-LDH)
onto
Fe-doped
surface.
Fe
dopants
lead
a
size
reduction
nanoparticles
while
enlarging
specific
surface
area
pore
volume,
thus
increasing
reaction
sites,
which
is
favorable
splitting.
unique
dual-layered
structure
CoFe-LDH
not
only
enhances
mobility
charge
carriers
but
also
addresses
defects
through
passivation.
Additionally,
it
optimizes
exposure
active
expedites
flow
carriers,
effectively
mitigating
recombination.
CoFe/Fe-BiVO4
photoanode
demonstrates
outstanding
photocatalytic
performance,
achieving
substantial
photocurrent
2.56
mA
cm–2
(at
1.23
V
vs
RHE)
an
impressive
incident
photon
current
conversion
efficiency
(IPCE)
52.1%
at
400
nm,
approximately
270%
increment
remarkable
2.2-fold
improvement
IPCE
compared
those
unmodified
sample.
In
addition,
transport
increases
16.8%
62.5%
RHE
after
modification
bilayer.
This
study
emphasizes
promising
results
employing
binary
polymetallic
co-catalysts
provides
strategic
pathway
improve
semiconductor-based
photoelectrodes
various
applications.
