Nanocomposites,
Journal Year:
2024,
Volume and Issue:
10(1), P. 138 - 158
Published: April 3, 2024
Nanoporous
graphene
own
high
surface
area
and
unique
structural
physical
properties
due
to
nano-sized
pores
in
nanosheet.
has
been
modified
by
the
introduction
of
functional
groups,
doping,
or
nanoparticle
modification
applied
for
nanocomposites.
The
overview
basically
highlights
design,
properties,
potential
functionalized
nanoporous
derived
nanocomposites
advanced
membranes
(desalination/gas/oil
separation),
thermal
management,
electrocatalysts,
micro-supercapacitors.
According
literature,
pore
size
neat
is
3–11
Å
hydroxyl
also
had
nanopore
<10
Å.
Functionalized
revealed
100%
salt
rejection,
while
89%
rejection
altered
properties.
Both
gas
permeance
∼103–105
GPU
towards
separation
CO2,
CH4,
N2,
etc.
Few
attempts
on
micro-supercapacitor
like
molybdenum
disulfide
resulted
volumetric
capacitance
55
F
cm−3
retention
82%.
Forthcoming
research
may
overcome
design/performance
challenges
leading
superior
features
large-scale
utilizations.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: May 16, 2024
Abstract
Phase
change
materials
(PCMs)
offer
a
promising
solution
to
address
the
challenges
posed
by
intermittency
and
fluctuations
in
solar
thermal
utilization.
However,
for
organic
solid–liquid
PCMs,
issues
such
as
leakage,
low
conductivity,
lack
of
efficient
solar-thermal
media,
flammability
have
constrained
their
broad
applications.
Herein,
we
present
an
innovative
class
versatile
composite
phase
(CPCMs)
developed
through
facile
environmentally
friendly
synthesis
approach,
leveraging
inherent
anisotropy
unidirectional
porosity
wood
aerogel
(nanowood)
support
polyethylene
glycol
(PEG).
The
modification
process
involves
incorporation
phytic
acid
(PA)
MXene
hybrid
structure
evaporation-induced
assembly
method,
which
could
impart
non-leaking
PEG
filling
while
concurrently
facilitating
conduction,
light
absorption,
flame-retardant.
Consequently,
as-prepared
wood-based
CPCMs
showcase
enhanced
conductivity
(0.82
W
m
−1
K
,
about
4.6
times
than
PEG)
well
high
latent
heat
135.5
kJ
kg
(91.5%
encapsulation)
with
durability
stability
throughout
at
least
200
heating
cooling
cycles,
featuring
dramatic
conversion
efficiency
up
98.58%.
In
addition,
synergistic
effect
MXene,
flame-retardant
performance
has
been
significantly
enhanced,
showing
self-extinguishing
behavior.
Moreover,
excellent
electromagnetic
shielding
44.45
dB
was
endowed
CPCMs,
relieving
contemporary
health
hazards
associated
waves.
Overall,
capitalize
on
exquisite
cell
transport
development
multifunctional
showcasing
operational
principle
proof-of-concept
prototype
system.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
Electromagnetic
interference
(EMI)
shielding
composites
with
both
thermal
response/management
functions
and
message
transfer/encryption
behavior
are
ideal
for
use
in
fields
such
as
aerospace,
construction
engineering,
military
equipment.
In
this
work,
a
self‐cross‐linking
supramolecular
solid–solid
phase
change
polyethylene
glycol
(ScPEG)
coating
is
prepared
based
on
multiple
hydrogen
bonds,
which
used
encapsulating
glass
fiber
fabric
(GFF)
modified
silver
nanowires
(AgNWs).
The
obtained
through
the
hydrolysis‐condensation
of
PEG
reactive
silanol
end
group.
Polyethylene
molecular
chains
can
store
release
heat
by
switching
between
crystalline
amorphous
state.
groups
form
networks
physical
cross‐linking
resulting
an
excellent
stability.
particular,
bonds
ScPEG
AgNW‐modified
GFF
(A‐GFF)
enhance
interfacial
interactions,
robust
structure
enables
efficient
stress
transfer.
ScPEG‐coated
A‐GFF
achieve
tensile
strength
up
to
191
MPa
tunable
EMI
effectiveness
(SE)
40
72
dB
depending
number
layers.
Moreover,
exhibits
flexible
response
characteristic,
outstanding
management
capability,
potential
encryption
behavior.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Sept. 26, 2024
Abstract
The
synthesis
of
carbon
supporter/nanoscale
high-entropy
alloys
(HEAs)
electromagnetic
response
composites
by
carbothermal
shock
method
has
been
identified
as
an
advanced
strategy
for
the
collaborative
competition
engineering
conductive/dielectric
genes.
Electron
migration
modes
within
HEAs
manipulated
electronegativity,
valence
electron
configurations
and
molar
proportions
constituent
elements
determine
steady
state
efficiency
equivalent
dipoles.
Herein,
enlightened
skin-like
effect,
a
reformative
using
carbonized
cellulose
paper
(CCP)
supporter
is
used
to
preserve
oxygen-containing
functional
groups
(O·)
fibers
(CCF).
Nucleation
construction
emblematic
shell-core
CCF/HEAs
heterointerfaces
are
inextricably
linked
metabolism
induced
O·.
Meanwhile,
mode
switchable
electron-rich
sites
promotes
orientation
polarization
anisotropic
By
virtue
reinforcement
strategy,
CCP/HEAs
composite
prepared
35%
ratio
Mn
element
(CCP/HEAs-Mn
2.15
)
achieves
efficient
wave
(EMW)
absorption
−
51.35
dB
at
ultra-thin
thickness
1.03
mm.
mechanisms
resulting
dielectric
properties
HEAs-based
EMW
absorbing
materials
elucidated
combining
theoretical
calculations
with
experimental
characterizations,
which
provide
bases
feasible
strategies
simulation
practical
application
devices
(e.g.,
ultra-wideband
bandpass
filter).
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(6), P. 2550 - 2550
Published: March 18, 2024
Additive
manufacturing
has
been
widely
used
in
various
industries,
including
the
healthcare
sector.
Over
last
few
decades,
AM
playing
an
important
role
medical
field
different
areas,
surgical
planning,
implants,
and
educational
activities.
For
applications,
can
help
surgeons
practice
plan
operation
until
they
are
confident
with
process.
This
to
reduce
operational
risk
time.
In
addition,
it
demonstrate
problem
other
colleagues.
also
produce
3D
models
teach
students
doctors
about
human
anatomy.
paper
aims
comprehensively
review
diverse
applications
of
additive
within
domains
planning
education.
By
focusing
on
multifaceted
roles
played
by
these
critical
a
contribution
growing
body
knowledge
that
underscores
transformative
potential
this
technology
shaping
future
practices
is
sought
be
made.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Aug. 15, 2024
Metal-organic
frameworks
(MOFs)
have
been
extensively
considered
as
one
of
the
most
promising
types
porous
and
crystalline
organic-inorganic
materials,
thanks
to
their
large
specific
surface
area,
high
porosity,
tailorable
structures
compositions,
diverse
functionalities,
well-controlled
pore/size
distribution.
However,
developed
MOFs
are
in
powder
forms,
which
still
some
technical
challenges,
including
abrasion,
dustiness,
low
packing
densities,
clogging,
mass/heat
transfer
limitation,
environmental
pollution,
mechanical
instability
during
process,
that
restrict
applicability
industrial
applications.
Therefore,
recent
years,
attention
has
focused
on
techniques
convert
MOF
powders
into
macroscopic
materials
like
beads,
membranes,
monoliths,
gel/sponges,
nanofibers
overcome
these
challenges.Three-dimensional
(3D)
printing
technology
achieved
much
interest
because
it
can
produce
many
high-resolution
with
complex
shapes
geometries
from
digital
models.
this
review
summarizes
combination
different
3D
strategies
MOF-based
for
fabricating
3D-printed
monoliths
applications,
emphasizing
water
treatment
gas
adsorption/separation
Herein,
various
fabrication
such
direct
ink
writing,
seed-assisted
in-situ
growth,
coordination
replication
solid
precursors,
matrix
incorporation,
selective
laser
sintering,
light
processing,
described
relevant
examples.
Finally,
future
directions
challenges
also
presented
better
plan
trajectories
shaping
improved
control
over
structure,
composition,
textural
properties
monoliths.
