Chemistry of Materials,
Journal Year:
2024,
Volume and Issue:
36(17), P. 8300 - 8310
Published: Aug. 23, 2024
To
enable
the
design
and
manufacturing
of
hierarchical
nanomaterial
architectures,
there
is
a
need
for
synthesis
processing
methods
that
can
tunable
geometric
control
at
nanoscale
while
maintaining
conformality
on
complex
3-D
templates.
In
this
study,
we
explore
programmable
vertically
oriented
Zn–Al
layered
double
hydroxide
(LDH)
nanosheet
arrays
using
atomic
layer
deposition
(ALD)
to
deposit
seed
Al2O3,
which
subsequently
consumed
converted
into
LDH
phase
under
hydrothermal
growth
conditions.
We
demonstrate
over
spacing
length
nanosheets
by
varying
thickness
initial
ALD
with
subnanometer
precision.
This
be
viewed
as
titration
reaction,
where
Al
acts
limiting
reagent
during
nanosheets.
Elemental
mapping
demonstrates
dynamic
evolution
resulting
morphology,
driven
surface
diffusion
nucleation
processes.
The
conformal
nature
allows
variety
nonplanar
substrate
geometries,
including
microposts,
paper
fibers,
porous
ceramic
supports.
illustrates
power
bottom-up
nanoarchitectures
geometries
controlling
in
subsequent
solution
reactions.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(16), P. 12382 - 12401
Published: Jan. 1, 2025
The
combination
of
the
mutually
beneficial
characteristics
polymer
and
ALD
technique
allows
for
creation
a
more
critical
role
in
effort
to
develop
high-performance
lithium-ion
batteries.
Crystal Growth & Design,
Journal Year:
2024,
Volume and Issue:
24(5), P. 1865 - 1879
Published: Jan. 4, 2024
Two-dimensional
(2D)
transition
metal
sulfides
(TMDs)
semiconductors,
represented
by
MoS2,
are
regarded
as
promising
candidates
to
advance
Moore's
law
in
the
postsilicon
semiconductor
era,
they
possess
advantages
of
high
carrier
mobility,
switching
ratios,
tunable
bandgap,
and
atomic-level
thickness,
well
combining
with
good
mechanical
properties.
The
exploration
high-quality
large-area
2D
materials
is
crucial
for
investigating
new
physical
phenomena
further
extending
their
applications
microelectronics
optoelectronics.
Among
techniques
producing
materials,
atomic
layer
deposition
(ALD)
stands
out
a
self-limiting
surface
chemical
reaction-based
method.
It
offers
more
terms
step
coverage,
wafer
size
uniformity,
controllable
stoichiometric
ratio,
which
expected
overcome
bottleneck
utilization
optoelectronic
integrated
devices
future
large-scale
applications.
In
this
paper,
we
provide
an
overview
structure
properties
TMDs,
then
focus
on
latest
progress
ALD-based
preparation
TMD
thin
films.
Key
factors
influencing
film
quality
discussed,
conclude
discussing
potential
development
trends
field.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(12), P. 2802 - 2802
Published: June 12, 2024
Solid-phase
microextraction
(SPME)
has
been
widely
proposed
for
the
extraction,
clean-up,
and
preconcentration
of
analytes
environmental
concern.
Enrichment
capabilities,
efficiency,
sample
throughput,
selectivity
in
extracting
target
compounds
greatly
depend
on
materials
used
as
SPME
coatings.
Supramolecular
have
emerged
promising
porous
coatings
to
be
extraction
due
their
unique
selectivity,
three-dimensional
framework,
flexible
design,
possibility
promote
interaction
between
coating
by
means
multiple
oriented
functional
groups.
The
present
review
will
cover
state
art
last
5
years
related
based
metal
organic
frameworks
(MOFs),
covalent
(COFs),
supramolecular
macrocycles
applications.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(21)
Published: July 1, 2024
Abstract
This
study
investigates
the
integration
of
ZnO
nanoparticles
into
MIL‐100(Fe)
framework
using
atomic
layer
deposition
(ALD)
at
atmospheric
pressure,
varying
ALD
cycles
from
0.5
to
2.
The
goal
is
enhance
photocatalytic
efficiency
in
water
splitting
under
ultraviolet
light.
Among
composites,
ZnO/MIL‐100(Fe)
synthesized
with
a
1‐cycle
process
stands
out,
demonstrating
superior
hydrogen
evolution
rates
(8465
μmol
g
−1
h
)
and
improved
durability,
surpassing
base
repeated
(PWS)
trials.
Comprehensive
characterization
various
analytical
techniques,
including
BET
analysis,
DRS,
EDS,
SEM,
TEM,
XRD,
FT‐IR,
Raman,
PL,
sheds
light
on
structural,
chemical,
optical
properties
MIL‐100(Fe)/ZnO
materials,
confirming
successful
within
structure.
Furthermore,
enhancement
activity
associated
increased
absorption
intensity
reduced
trap
sites,
implying
charge
carrier
dynamics
separation.
inclusion
not
only
bandgap
but
also
influences
photoluminescence
characteristics
significantly,
leading
reduction
non‐radiative
recombination
enhancing
availability
photogenerated
electrons
for
reactions.
Specifically,
observed
composites
indicates
higher
defect
density,
which
corresponds
more
active
sites
photocatalysis.
Chemistry of Materials,
Journal Year:
2024,
Volume and Issue:
36(17), P. 8300 - 8310
Published: Aug. 23, 2024
To
enable
the
design
and
manufacturing
of
hierarchical
nanomaterial
architectures,
there
is
a
need
for
synthesis
processing
methods
that
can
tunable
geometric
control
at
nanoscale
while
maintaining
conformality
on
complex
3-D
templates.
In
this
study,
we
explore
programmable
vertically
oriented
Zn–Al
layered
double
hydroxide
(LDH)
nanosheet
arrays
using
atomic
layer
deposition
(ALD)
to
deposit
seed
Al2O3,
which
subsequently
consumed
converted
into
LDH
phase
under
hydrothermal
growth
conditions.
We
demonstrate
over
spacing
length
nanosheets
by
varying
thickness
initial
ALD
with
subnanometer
precision.
This
be
viewed
as
titration
reaction,
where
Al
acts
limiting
reagent
during
nanosheets.
Elemental
mapping
demonstrates
dynamic
evolution
resulting
morphology,
driven
surface
diffusion
nucleation
processes.
The
conformal
nature
allows
variety
nonplanar
substrate
geometries,
including
microposts,
paper
fibers,
porous
ceramic
supports.
illustrates
power
bottom-up
nanoarchitectures
geometries
controlling
in
subsequent
solution
reactions.
