ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(8), P. 3406 - 3413
Published: April 9, 2024
The
incorporation
of
metal–organic
frameworks
onto
conductive
substrates
demonstrates
considerable
potential
in
applications
related
to
the
hydrogen
evolution
reaction.
In
this
work,
we
present
a
streamlined
synthesis
approach
involving
atomic
layer
deposition
pretreatment
facilitate
controlled
growth
Cu-BDC
particles
on
Nafion
film.
This
methodology
preserves
substantial
loading
with
hierarchically
porous
structure,
accompanied
by
notable
surface
area
547
m2
g–1.
composite
is
subsequently
utilized
as
an
electrocatalyst
for
generation
alkane
electrolyte.
structural
advances
result
superior
electrochemical
production
efficiency
low
overpotential
84
mV
and
Tafel
slope
58
dec–1
1.0
M
NaOH.
Notably,
showed
good
cycling
performance
during
18
h
test
2000
cycles.
research
introduces
design
catalyst
electrode
promising
implications
industry.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(6), P. 5791 - 5801
Published: March 6, 2024
Rational
design
and
structural
engineering
of
the
electrode
material
are
essential
for
high-performance
supercapacitors.
In
this
study,
we
have
designed
a
ternary
nanocomposite
NiFex/MM100–x,
integrating
NiFe-LDH,
MoS2,
MXene
through
two-step
process,
solvothermal
followed
by
incipient
wet
impregnation
method.
The
high
capacity
NiFe-LDH
exceptional
electrical
conductivity
MoS2
make
NiFex/MM100–x
composite
potential
battery-type
supercapacitor.
NiFe60/MM40
exhibited
remarkable
specific
349.49
mAh
g–1
at
1
A
g–1.
hybrid
supercapacitor
device
(NiFe60/MM40//MM)
was
constructed,
assembling
as
positive
MM
negative
counterpart,
which
delivered
superior
power
density
800
W
kg–1
an
energy
58.66
Wh
kg–1.
NiFe60/MM40//MM
revealed
outstanding
cyclic
stability
retaining
84%
initial
even
after
enduring
5000
cycles
10
above
results
explored
2D
layered
materials
in
storage
applications.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(8), P. 10078 - 10092
Published: Feb. 20, 2024
Hydrogen
shows
great
promise
as
a
carbon-neutral
energy
carrier
that
can
significantly
mitigate
global
challenges,
offering
sustainable
solution.
Exploring
catalysts
are
highly
efficient,
cost-effective,
and
stable
for
the
hydrogen
evolution
reaction
(HER)
holds
crucial
importance.
For
this,
metal–organic
framework
(MOF)
materials
have
demonstrated
extensive
applicability
either
heterogeneous
catalyst
or
precursor.
Herein,
nanostructured
interface
between
NiMo/CuO@C
derived
from
Cu-MOF
was
designed
developed
on
nickel
foam
(NF)
competent
HER
electrocatalyst
in
alkaline
media.
The
exhibited
low
overpotential
of
85
mV
at
10
mA
cm–2
rivals
Pt/C
(83
@
cm–2).
Moreover,
catalyst's
durability
measured
through
chronopotentiometry
constant
current
density
−30,
−100,
−200
50
h
each
1.0
M
KOH.
Such
enhanced
electrocatalytic
performance
could
be
ascribed
to
presence
conductive
C
Cu
species,
facilitated
electron
transfer
components
because
interface,
abundant
active
sites
result
multiple
oxidation
states.
existence
an
ionized
oxygen
vacancy
(Ov)
signal
confirmed
all
heat-treated
samples
paramagnetic
resonance
(EPR)
analysis.
This
revelation
sheds
light
entrapment
electrons
various
environments,
primarily
associated
with
underlying
defect
structures,
particularly
vacancies.
These
trapped
play
role
augmenting
conductivity,
thereby
contributing
elevated
performance.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(14), P. 16334 - 16345
Published: March 26, 2024
The
growing
concerns
about
environmental
pollution,
particularly
water
are
causing
an
increasing
alarm
in
modern
society.
One
promising
approach
to
address
this
issue
involves
engineering
existing
materials
enhance
their
effectiveness.
A
one-step
solvothermal
reconstruction
was
used
build
eco-friendly
two-dimensional
(2D)
AlNiZn-LDH/BDC
MOF
composite.
characterizations
confirm
the
formation
of
a
metal–organic
framework
(MOF)
at
layered
double
hydroxide
(LDH)
surface.
resulting
synthesized
material,
2D
MOF,
demonstrated
remarkable
efficacy
decontaminating
methylene
blue
(MB),
model
cationic
dye
found
systems.
removal
performance
significantly
higher
than
that
pristine
AlNiZn-LDH.
This
improvement
shows
potential
increase
adsorption
capabilities
nanoporous
LDH
by
incorporating
organic
ligands
and
integrating
meso-/microporosity
through
on
surfaces.
Furthermore,
kinetic,
isothermal,
thermodynamic
studies
elucidated
behavior
composite
material.
results
showed
excellent
efficiency
(92.27%)
10
ppm
MB
aqueous
solution
as
compared
LDH.
Additionally,
as-synthesized
adsorbent
could
be
regenerated
for
six
successive
cycles.
method
holds
promise
synthesis
novel
highly
effective
combat
laying
groundwork
advancements
diverse
applications.
