The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
128(42), P. 18093 - 18101
Published: Oct. 14, 2024
In
this
work,
we
demonstrate
the
production
of
pure
and
doped
Sb2S3
thin
films
by
electrophoretic
deposition
(EPD).
The
consequences
silver
copper
doping
were
evaluated
measuring
films'
structural
optoelectrical
properties.
nanoparticles
(NPs)
first
synthesized
in
ethylene
glycol
stabilized
with
polyethylenimine
(PEI).
Doped
NPs
obtained
thanks
to
or
precursors
added
during
synthesis
process.
Orthorhombic
extra
AgSbS2
CuSbS2
phases
identified
XRD
after
thermal
treatment
at
300
°C
under
vacuum.
Metallic
Sb
impurities
also
found
for
275
°C.
UV–vis–NIR
spectroscopy
highlighted
optical
properties
amorphous
crystalline
as
well
variation
band
gaps
doping.
Photocurrent
measurement
showed
an
increase
conductivity
(by
3
dark
2
AM
1.5
illumination).
Adding
brought
a
slower
recombination
electron–hole
pairs
switching
light
off.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(10), P. 3604 - 3617
Published: Jan. 1, 2024
Large-scale
solar
hydrogen
production
is
enabled
by
the
treatment
of
perovskite
films
through
additive-added
antisolvent
bathing,
achieving
a
solar-to-hydrogen
efficiency
9.89%
and
an
outstanding
145.56
μmol
h
−1
cm
−2
.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 9, 2024
Abstract
Surface
reconstruction,
reorganizing
the
surface
atoms
or
structure,
is
a
promising
strategy
to
manipulate
materials'
electrical,
electrochemical,
and
catalytic
properties.
Herein,
rapid
reconstruction
of
indium
sulfide
(In
2
S
3
)
demonstrated
via
high‐temperature
flame
treatment
improve
its
charge
collection
The
process
selectively
transforms
In
into
diffusionless
O
layer
with
high
crystallinity.
Additionally,
it
controllably
generates
bulk
sulfur
vacancies
within
few
seconds,
leading
surface‐reconstructed
(sr‐In
).
When
using
those
sr‐In
as
photoanode
for
photoelectrochemical
water
splitting
devices,
these
dual
functions
/bulk
reduce
recombination
in
region,
thus
improving
photocurrent
density
stability.
With
optimized
demonstrates
significant
8.5
mA
cm
−2
at
1.23
V
versus
reversible
hydrogen
electrode
(RHE),
marking
2.5‐fold
increase
compared
pristine
(3.5
More
importantly,
exhibits
an
impressive
7.3
0.6
RHE
iodide
oxidation
reaction.
A
practical
scalable
also
showcased
treatment.
This
work
provides
new
insights
engineering
sulfide‐based
semiconductors,
making
breakthrough
developing
efficient
solar‐fuel
energy
devices.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(32)
Published: May 27, 2024
Abstract
Recently,
lead
halide
perovskites
have
emerged
as
promising
photoanode
materials
for
efficient
hydrogen
production.
However,
the
sluggish
kinetics
of
oxygen
evolution
reaction
(OER)
and
interfacial
defect‐mediated
charge
accumulation
inevitably
result
in
efficiency
loss
degradation
perovskite
photoanodes.
Herein,
a
defect‐passivated
electron
transport
layer‐based
combined
with
catalyst
layer
favorable
is
introduced
iodide
oxidation
bearing
small
thermodynamic
barrier
rapid
compared
to
OER
solar
fuel
generation.
The
resulting
revealed
saturated
photocurrent
density
22.4
mA
cm
−2
at
0.3
V
versus
reversible
electrode
(V
RHE
)
an
impressive
onset
potential
−0.2
well
durability
225
h
neutral
electrolyte.
In
addition,
unbiased
hydrogen‐production
device
comprising
Pt
coil
electrocatalyst
demonstrated,
achieving
remarkable
solar‐to‐chemical
conversion
11.45%
stable
operation
25
h.
Moreover,
wireless
artificial
leaf‐structured
realizing
solar‐driven
generation
natural
sea
water
under
outdoor
sunlight
presented.
Chemical Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 6, 2025
Since
its
inception,
photoelectrochemistry
has
sought
to
power
the
generation
of
fuels,
particularly
hydrogen,
using
energy
from
sunlight.
Efficient
and
durable
photoelectrodes,
however,
remain
elusive.
Here
we
review
current
state
art,
focusing
our
discussion
on
advances
in
photoelectrodes
made
past
decade.
We
open
by
briefly
discussing
fundamental
photoelectrochemical
concepts
implications
for
photoelectrode
function.
next
a
broad
range
semiconductor
broken
down
material
class
(oxides,
nitrides,
chalcogenides,
mature
photovoltaic
semiconductors),
identifying
intrinsic
properties
their
influence
performance.
then
identify
innovative
situ
operando
techniques
directly
probe
photoelectrode|electrolyte
interface,
enabling
direct
assessment
structure-property
relationships
catalytic
surfaces
active
reaction
environments.
close
considering
more
complex
fuel-forming
reactions
(carbon
dioxide
nitrogen
reduction,
as
well
alternative
oxidation
reactions),
where
product
selectivity
imposes
additional
criteria
electrochemical
driving
force
architecture.
By
contextualizing
recent
literature
within
framework,
seek
provide
direction
continued
progress
toward
achieving
efficient
stable
photoelectrodes.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(17), P. 21953 - 21964
Published: April 17, 2024
While
photoelectrochemical
(PEC)
cells
show
promise
for
solar-driven
green
hydrogen
production,
exploration
of
various
light-absorbing
multilayer
coatings
has
yet
to
significantly
enhance
their
generation
efficiency.
Acidic
conditions
can
the
evolution
reaction
(HER)
kinetics
and
reduce
overpotential
losses.
However,
prolonged
acidic
exposure
deactivates
noble
metal
electrocatalysts,
hindering
long-term
stability.
Progress
requires
addressing
catalyst
degradation
enable
stable,
efficient,
PEC
cells.
Here,
we
proposed
a
process
design
based
on
photoilluminated
redox
deposition
(PRoD)
approach.
We
use
this
grow
crystalline
Rh2P
nanoparticles
(NPs)
with
size
5–10
30
nm-thick
TiO2,
without
annealing.
Atomically
precise
control
was
performed
by
using
several
cyclic
voltammetry
cycles
coincident
light
irradiation
create
system
optimal
catalytic
activity.
The
optimized
photocathode,
composed
Rh2P/TiO2/Al–ZnO/Cu2O/Sb–Cu2O/ITO,
achieved
an
excellent
photocurrent
density
8.2
mA
cm–2
at
0
VRHE
durable
water-splitting
in
strong
solution.
Specifically,
Rh2P-loaded
photocathode
exhibited
5.3-fold
enhancement
mass
activity
compared
that
utilizing
just
Rh
catalyst.
Furthermore,
situ
scanning
transmission
electron
microscopy
(STEM)
observe
real-time
growth
NPs
liquid
cell.
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(23), P. 12097 - 12106
Published: May 30, 2024
Antimony
sulfide
(Sb2S3)
has
been
recognized
as
a
catalytic
material
for
splitting
water
by
solar
energy
because
of
its
suitable
narrow
band
gap,
high
absorption
coefficient,
and
abundance
elements.
However,
many
deep-level
defects
in
Sb2S3
result
significant
recombination
photoexcited
electron–hole
pairs,
weakening
photoelectrochemical
performance.
Here,
using
simple
hydrothermal
spin-coating
method,
we
fabricated
step-scheme
heterojunction
Sb2S3/α-Fe2O3
to
improve
the
performance
pure
Sb2S3.
Our
photoanode
photocurrent
density
1.18
mA/cm2
at
1.23
V
vs
reversible
hydrogen
electrode,
1.39
times
higher
than
that
(0.84
mA/cm2).
In
addition,
our
lower
onset
potential,
absorbance
intensity,
incident
photon-to-current
conversion
efficiency,
applied
bias
charge
transfer
resistance
compared
Based
on
ultraviolet
photoelectron
spectroscopy,
constructed
structure
explain
enhancement.
This
work
offers
promising
strategy
optimize
photoelectrodes
solar-driven
splitting.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(32)
Published: May 16, 2024
Abstract
Sb
2
S
3
has
been
extensively
used
as
light
absorber
for
photoelectrochemical
cell.
However,
its
p‐type
nature
may
result
in
the
formation
of
Schottky
junction
with
substrates,
thus
hindering
collection
photogenerated
holes.
Herein,
an
ultrathin
Cu
x
layer
is
successfully
engineered
bottom
first
time.
Capitalizing
on
impressive
electrical
properties
and
superior
optical
properties,
exhibits
a
high
work
function
4.90
eV,
which
causes
upward
band
bending
,
forming
hole‐transparent
structure
ohmic
contact.
The
transparency
enables
back‐illumination
/Cu
platform,
facilitating
integration
intricate
catalyst
layers
transformation.
When
modified
Pt
nanoparticles,
photocurrent
density
reaches
−5.38
mA
cm
−2
at
0
V
vs
.
RHE,
marking
fourfold
increase
compared
to
photocathode
without
layer.
introducing
molecular
hybrid
TC‐CoPc@carbon
black,
remarkable
average
−0.44
overpotential
obtained
CO
reduction
reaction,
while
less
than
−0.03
S.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(32)
Published: May 16, 2024
Abstract
Sb
2
S
3
has
been
extensively
used
as
light
absorber
for
photoelectrochemical
cell.
However,
its
p‐type
nature
may
result
in
the
formation
of
Schottky
junction
with
substrates,
thus
hindering
collection
photogenerated
holes.
Herein,
an
ultrathin
Cu
x
layer
is
successfully
engineered
bottom
first
time.
Capitalizing
on
impressive
electrical
properties
and
superior
optical
properties,
exhibits
a
high
work
function
4.90
eV,
which
causes
upward
band
bending
,
forming
hole‐transparent
structure
ohmic
contact.
The
transparency
enables
back‐illumination
/Cu
platform,
facilitating
integration
intricate
catalyst
layers
transformation.
When
modified
Pt
nanoparticles,
photocurrent
density
reaches
−5.38
mA
cm
−2
at
0
V
vs
.
RHE,
marking
fourfold
increase
compared
to
photocathode
without
layer.
introducing
molecular
hybrid
TC‐CoPc@carbon
black,
remarkable
average
−0.44
overpotential
obtained
CO
reduction
reaction,
while
less
than
−0.03
S.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
495, P. 153569 - 153569
Published: June 28, 2024
Conjugated
network
polymers
(CNPs)
have
gained
considerable
attention
as
heterogeneous
photocatalysts,
however,
their
limited
solubility
in
solvents
poses
a
significant
challenge
employing
CNPs
for
photoreactors.
Herein,
we
report
the
chemical
dissolution
of
aminic
to
enhance
solution
processability.
The
CNPs,
synthesized
via
Knoevenagel
polycondensation,
were
dissolved
into
corresponding
polymer
inks,
forming
thin
films
on
various
substrates
through
mild
heating.
Residual
functional
groups
CNP
surface
provided
latent
reactive
sites
liquid
amines,
facilitating
structural
disentanglement
and
without
hindering
π-conjugation.
resulting
FTO
electrodes
exhibited
broader
light
absorbance
>
2-fold
enhanced
photoresponse
compared
powder
films.
Photocatalytic
production
H2O2
using
large-area
film
(254.4
cm2)
demonstrated
sustained
activity
with
rate
0.21
mM
h−1
over
14
h
sacrificial
agents.
These
findings
lay
groundwork
applying
photocatalysts
chemical,
optical,
electronic
applications.