Asia-Pacific Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
19(5)
Published: June 30, 2024
Abstract
This
study
investigates
the
environmentally
friendly
synthesis
of
ZrO
2
‐NdO
mixed
nanomaterial
using
green
reducing
and
capping
agents
derived
from
plant
Amaranthus
viridis
.
X‐ray
diffraction
(XRD)
analysis
confirmed
successful
nanomaterial,
revealing
an
optical
band
gap
2.5
eV.
The
morphology
was
characterized
by
spherical‐shaped
particles
with
average
size
ranging
66
to
77
nm.
synthesized
evaluated
for
its
potential
application
as
electrode
material
in
energy
devices,
specifically
pseudocapacitors
water
splitting
studies.
Electrochemical
performance
assessed
cyclic
voltammetry
(CV)
galvanostatic
charge–discharge
(GCD)
techniques.
Notably,
a
specific
capacitance
573.5
F/g
achieved
through
CV
at
scan
rate
mV/s.
Fabricated
electrocatalyst
further
analyzed
hydrogen
evolution
reaction
(HER)
oxygen
(OER),
results
showed
better
over
value
164
mV
HER
stability
endorsed
large‐scale
commercialization
possibility
ZrO‐NdO‐based
material.
Energies,
Journal Year:
2025,
Volume and Issue:
18(7), P. 1603 - 1603
Published: March 23, 2025
Hydrogen
production
via
water
splitting
is
a
crucial
strategy
for
addressing
the
global
energy
crisis
and
promoting
sustainable
solutions.
This
review
systematically
examines
water-splitting
mechanisms,
with
focus
on
photocatalytic
electrochemical
methods.
It
provides
in-depth
discussions
charge
transfer,
reaction
kinetics,
key
processes
such
as
oxygen
evolution
(OER)
hydrogen
(HER).
Various
electrode
synthesis
techniques,
including
hydrothermal
methods,
chemical
vapor
deposition
(CVD),
pulsed
laser
(PLD),
radio
frequency
sputtering
(RF),
are
reviewed
their
advantages
limitations.
The
role
of
carbon-based
materials
graphene,
biochar,
graphitic
carbon
nitride
(g-C3N4)
in
photoelectrochemical
(PEC)
also
highlighted.
Their
exceptional
conductivity,
tunable
band
structures,
surface
functionalities
contribute
to
efficient
separation
enhanced
light
absorption.
Further,
advancements
heterojunctions,
doped
systems,
hybrid
composites
explored
ability
improve
PEC
performance
by
minimizing
recombination,
optimizing
electronic
increasing
active
sites
reactions.
Key
challenges,
material
stability,
cost,
scalability,
solar
spectrum
utilization,
critically
analyzed,
along
emerging
strategies
novel
approaches
development.
By
integrating
materials,
this
comprehensive
perspective
production,
bridging
previously
isolated
research
domains.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(52)
Published: Aug. 20, 2024
Abstract
Electrochemical
water
splitting
stands
out
as
a
highly
effective
and
environment‐friendly
strategy
for
generating
pure
hydrogen.
However,
the
expensive
catalyst
required,
low
efficiency
of
electrolysis,
are
still
concern.
Herein,
novel
Rh–CoSe
2
/CoSeO
3
nanocubes
heterostructure
is
designed
with
successful
robust
coupling
between
CoSe
CoSeO
,
employed
bifunctional
electrocatalyst
system.
The
interaction
enhances
metal–substrate
bonding
generates
anchor
sites
intermediate
species,
which
increases
electrocatalytic
mass
transport
kinetics,
offers
exceptional
stability.
water‐splitting
device
demonstrates
remarkable
performance,
voltage
1.62
V
at
current
density
20
mA
cm
−2
long‐lasting
durability
‐100
h.
This
study
opens
new
avenue
toward
creation
extremely
catalysts
to
be
used
an
industrial
scale
allow
alkaline
other
energy
conversion
devices.
promising
prospects
advancing
sustainable
technologies
positively
impacting
clean
future.
