ACS symposium series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 145 - 164
Published: Nov. 4, 2024
The
harnessing
of
solar
energy
is
one
the
most
developed
sustainable
technologies
since
it
allows
us
to
use
abundant
power
sun
meet
our
needs
and
mitigate
climate
change.
Photocatalytic
Fuel
Cells
have
potential
address
issues
water
pollution
scarcity
simultaneously.
These
cells
can
extract
chemical
from
organic
pollutants
without
external
bias.
purpose
this
chapter
provide
information
on
reactor
designs,
sulfide-based
electrode
materials,
their
properties
for
efficient
photocatalytic
fuel
cells.
Single-chamber
dual-chamber
systems
which
are
considered
be
explored
designs
been
discussed.
Furthermore,
importance
materials
advantages
binary
ternary
sulfides
in
applications
elaborated.
effect
various
reaction
conditions
material
properties,
affect
activity
overall
efficacy
cell
system
also
explained.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(5), P. 2745 - 2755
Published: Jan. 19, 2024
Hematite
(α-Fe2O3)
photoanode
is
a
promising
candidate
for
efficient
PEC
solar
energy
conversion.
However,
the
serious
charge
recombination
together
with
sluggish
water
oxidation
kinetics
of
α-Fe2O3
still
restricts
its
practical
application
in
renewable
systems.
In
this
work,
CoOOH/α-Fe2O3/SnO2
was
fabricated,
which
ultrathin
SnO2
underlayer
deposited
on
fluorine-doped
tin
oxide
(FTO)
substrate,
nanorod
array
absorber
layer,
and
CoOOH
nanosheet
surface
modifier,
respectively.
The
resulting
exhibited
excellent
splitting
high
photocurrent
density
2.05
mA
cm–2
at
1.23
V
vs
RHE
alkaline
electrolyte,
ca.
3.25
times
that
bare
α-Fe2O3.
characterizations
demonstrated
not
only
could
block
hole
transport
from
to
FTO
substrate
but
also
efficiently
enhance
light-harvesting
property
reduce
states
by
controlling
growth
process
α-Fe2O3,
while
overlayer
as
cocatalysts
rapidly
extract
photogenerated
holes
provide
catalytic
active
sites
oxidation.
Benefiting
synergistic
effects
CoOOH,
efficiency
overpotential
are
obviously
decreased,
boosted
rational
design
simple
fabrication
strategy
display
great
potentials
be
used
other
systems
efficiency.
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 2642 - 2652
Published: March 21, 2024
Construction
of
a
van
der
Waals
(vdW)
heterojunction
is
promising
approach
with
effective
separation
charge
carriers
for
intensified
solar-to-hydrogen
(STH)
conversion
efficiency.
A
trilayer
MoS2/ZnO/WS2
two
different
configurations
constructed
and
their
electronic
photocatalytic
properties
are
investigated
in
detail.
The
exhibited
type-II
band
alignment,
where
the
ZnO
monolayer
placed
to
valence
maxima
(VBM)
position
MoS2
contributed
at
conduction
minima
(CBM)
heterojunction.
In
addition,
showed
high
electron
mobility
454.12
cm2
V–1
s–1
optical
absorption
intensity
8.54
×
105
cm–1
visible
region,
which
much
more
significant
than
individual
monolayers.
Interestingly,
maximum
STH
efficiency
16.83%,
higher
MoS2,
ZnO,
WS2
monolayers
MoS2/ZnO
MoS2/WS2
heterostructures.
S
top
acts
as
brilliant
adsorption
site
hydrogen
evolution
reaction
(HER).
theoretical
overpotential
value
oxygen
(OER)
1.45
eV,
smaller
that
monolayer.
present
study
suggests
construction
vdW
vertical
stacking
significantly
enhances
activity
carrier
mobility,
efficiency,
region
overall
water-splitting
applications.
