Applied Surface Science,
Journal Year:
2023,
Volume and Issue:
641, P. 158505 - 158505
Published: Sept. 18, 2023
The
utilization
of
fossil
fuels
to
meet
ever-increasing
energy
demands
is
causing
a
significant
threat
the
Earth's
climate
and
its
inhabitants.
To
address
this
issue,
photoelectrochemical
(PEC)
water
splitting
has
emerged
as
promising
solution
produce
oxygen
(O2)
hydrogen
(H2)
in
cost-effective,
environmentally
friendly,
clean,
renewable
manner.
In
study,
we
present
development
cost-effective
Cu3Se2
S-doped
thin
films
on
Fluorine-doped
Tin
Oxide
(FTO)
substrates
using
chemical
bath
deposition
(CBD)
process
enhance
efficiency
PEC
oxidation
oxygen.
X-Ray
Diffraction
(XRD)
pattern
confirms
presence
single-phase
tetragonal
crystal
structure
with
noticeable
shift
characteristic
(2
1
1)
reflection
towards
higher
2θ
value,
from
38.1°
38.4°,
indicating
successful
doping
S
films.
further
validate
lattice,
X-ray
photoelectron
spectroscopy
(XPS),
dispersive
(EDX),
Fourier
transform
infrared
(FTIR),
Raman
Spectroscopy
were
employed.
TEM
reveals
granular
an
average
particle
size
7–8
nm,
which
consistent
crystallite
determined
by
XRD.
Furthermore,
valence
band
conduction
edge
positions
are
found
be
1.56
−0.57
eV,
respectively.
increased
gap
Cu3Se2,
1.97
2.15
thus
confirming
bending
upon
doping.
specific
surface
areas
(SSA)
pristine
5.03
111.48
m2g−1,
respectively,
showing
twenty-two-fold
increase
performance
materials
was
evaluated
through
chopped
chronoamperometry
(CA),
linear
sweep
voltammetry
(LSV),
electrochemical
impedance
(EIS),
Mott-Schottky
(M-S)
analysis.
prepared
under
optimum
conditions,
exhibited
photocurrent
density
difference
880
µA
cm−2,
6
times
greater
than
for
film.
results
indicate
negative
slope,
implying
p-type
conductivity,
lower
flat
potential
value
0.33
V
vs.
RHE.
Our
approach
provides
green
fabricate
producing
CBD.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(3), P. 1552 - 1591
Published: Jan. 1, 2024
This
review
evaluates
state-of-the-art
advances
in
electrocatalytic
and
photo(electro)catalytic
urea
oxidation
from
fundamentals
materials
to
energy
environmental
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(21)
Published: Feb. 11, 2024
Abstract
Photoelectrochemical
(PEC)
catalysis
provides
the
most
promising
avenue
for
producing
value‐added
chemicals
and
consumables
from
renewable
precursors.
Over
last
decades,
PEC
catalysis,
including
reduction
of
feedstock,
oxidation
organics,
activation
functionalization
C─C
C─H
bonds,
are
extensively
investigated,
opening
new
opportunities
employing
technology
in
upgrading
readily
available
resources.
However,
several
challenges
still
remain
unsolved,
hindering
commercialization
process.
This
review
offers
an
overview
targeted
at
synthesis
high‐value
sustainable
First,
fundamentals
evaluating
reactions
context
product
both
anode
cathode
recalled.
Then,
common
photoelectrode
fabrication
methods
that
have
been
employed
to
produce
thin‐film
photoelectrodes
highlighted.
Next,
advancements
systematically
reviewed
discussed
conversion
various
feedstocks
highly
valued
chemicals.
Finally,
prospects
field
presented.
aims
facilitating
further
development
precursors
products
other
pharmaceuticals.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(11), P. 8343 - 8352
Published: May 14, 2024
Solar-driven
biomass
upgrading
coupled
with
H2
generation
is
promising
for
achieving
carbon
neutrality.
However,
identification
of
the
active
sites
simultaneous
photocatalytic
redox
reactions
remains
elusive
at
atomic
level.
Herein,
through
rational
construction
atomically
dispersed
Ni
on
ZnIn2S4
nanosheets
(Ni1/ZIS),
we
decipher
reactive
that
enable
high-performance
5-hydroxymethylfurfural
(HMF)
oxidation
evolution.
Under
visible-light
irradiation,
Ni1/ZIS
greatly
outperforms
its
pristine
ZIS
counterpart
and
can
deliver
high
selectivity
(>97%)
2,5-diformylfuran
(DFF),
along
high-activity
DFF
production
(394
μmol
g–1
h–1)
evolution
(342.2
in
a
near
stoichiometric
ratio.
Combined
detailed
experiments
theoretical
calculations
uncover
species
act
as
HMF
oxidation,
while
S
are
favored
This
work
provides
new
insights
into
development
artificial
photosynthesis
value-added
chemicals
from
via
sites.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(46)
Published: June 20, 2024
Abstract
Photoelectrochemical
(PEC)
cells
are
regarded
as
a
promising
approach
to
convert
sunlight
chemical
fuels,
whereas
the
serious
photo‐induced
charge
recombination
of
semiconductor
photoelectrode
hinders
its
solar
conversion
efficiency.
Over
past
few
decades,
designing
and
constructing
heterojunction
photoelectrodes
via
thermodynamically
favorable
transfer
have
been
proven
be
effective
in
boosting
separation.
However,
conventional
construction
strategy
generally
introduces
incompatible,
nonconformal,
or
defective
interfaces,
leaving
considerable
room
improve
efficiency
photoelectrodes.
To
compensate
for
unsatisfied
efficiency,
some
novel
strategies,
such
grain
boundary
engineering,
band
gap
field‐effected
etc.,
adopted
provide
additional
driving
force,
which
significantly
improves
In
this
review,
these
strategies
discussed
beyond
construction,
prospects
development
applications
photoanodes
also
proposed.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(25)
Published: Feb. 9, 2024
Abstract
It
is
expected
that
the
activity
of
photocatalysts
can
remain
same
or
decrease
as
little
possible
in
photocatalysis
reaction.
Herein,
for
first
time,
a
self‐accelerating
H
2
production
noble‐metal‐free
Cu
O/TpPa‐2‐COF
photocatalyst
reported.
shows
beginning
rate
4.41
mmol
h
−1
g
under
visible
light
illuminance,
while
kept
increasing
to
27.27
after
25
reaction,
which
6.2
times
higher
than
and
reaches
record
high.
confirmed
part
O
situ
transformed
0
photocatalytic
acting
cocatalyst
promotes
separation
photogenerated
charge
carriers.
Further
density
functional
theory
calculations
demonstrate
Schottky
barrier
height
Cu‐Cu
(111)
interface
much
smaller
Pt‐Cu
(111),
supporting
its
more
efficient
effect
with
Pt
cocatalyst.
Materials,
Journal Year:
2025,
Volume and Issue:
18(4), P. 768 - 768
Published: Feb. 10, 2025
This
review
article
provides
a
comprehensive
overview
of
the
pivotal
role
that
nanomaterials,
particularly
graphene
and
its
derivatives,
play
in
advancing
hydrogen
energy
technologies,
with
focus
on
storage,
production,
transport.
As
quest
for
sustainable
solutions
intensifies,
use
nanoscale
materials
to
store
solid
form
emerges
as
promising
strategy
toward
mitigate
challenges
related
traditional
storage
methods.
We
begin
by
summarizing
standard
methods
producing
modified
derivatives
at
their
impact
structural
characteristics
properties.
The
highlights
recent
advancements
capacities
achieved
through
innovative
nanocomposite
architectures,
example,
multi-level
porous
structures
containing
embedded
nickel
particles
dimensions.
discussion
covers
distinctive
these
expansive
surface
area
spillover
effect,
which
enhance
effectiveness
applications,
including
supercapacitors
batteries.
In
addition
capabilities,
this
explores
nanomaterials
efficient
catalysts
evolution
reaction
(HER),
emphasizing
potential
metal
oxides
other
composites
boost
production.
integration
transport
systems
is
also
examined,
showcasing
innovations
safety
efficiency.
we
move
economy,
underscores
urgent
need
continued
research
aimed
optimizing
existing
developing
novel
nanostructured
systems.
Addressing
primary
future
directions,
aims
serve
roadmap
enable
scientists
industry
experts
maximize
capabilities
transforming
hydrogen-based
systems,
thus
contributing
significantly
global
sustainability
efforts.