Small,
Journal Year:
2024,
Volume and Issue:
20(32)
Published: March 19, 2024
Abstract
Carbon
fiber
(CF)
is
a
potential
microwave
absorption
(MA)
material
due
to
the
strong
dielectric
loss.
Nevertheless,
owing
high
conductivity,
poor
impedance
matching
of
carbon‐based
materials
results
in
limited
MA
performance.
How
solve
this
problem
and
achieve
excellent
performance
remains
principal
challenge.
Herein,
taking
full
advantage
CF
bimetallic
metal–organic
frameworks
(MOF)
derivatives
layer,
an
absorber
based
on
micron‐scale
1D
NiCoMOF
(CF@NiCoMOF‐800)
developed.
After
adjusting
oxygen
vacancies
MOF,
resultant
presented
properties
including
minimum
reflection
loss
(RL
min
)
−80.63
dB
wide
effective
bandwidth
(EAB)
8.01
GHz
when
its
mass
percent
only
5
wt.%
thickness
2.59
mm.
Simultaneously,
mechanical
epoxy
resin
(EP)‐based
coating
with
are
effectively
improved.
The
hardness
(H),
elastic
modulus
(E),
bending
strength,
compressive
strength
CF@NiCoMOF‐800/EP
334
MPa,
5.56
GPa,
82.2
135.8
which
38%,
15%,
106%
53%
higher
than
EP
coating.
This
work
provides
promising
solution
for
carbon
achieving
properties.
Small,
Journal Year:
2024,
Volume and Issue:
20(47)
Published: Aug. 16, 2024
Abstract
Metal‐organic
frameworks
(MOFs)
are
a
new
variety
of
solid
crystalline
porous
functional
materials.
As
an
extension
inorganic
materials,
it
has
made
important
progress
in
preparation
and
application.
MOFs
widely
used
various
fields
such
as
gas
adsorption
storage,
drug
delivery,
sensing,
biological
imaging
due
to
their
high
specific
surface
area,
porosity,
adjustable
pore
size,
abundant
active
sites,
modification
by
introducing
groups.
In
this
paper,
the
types
classified,
synthesis
methods
mechanisms
materials
summarized.
Finally,
application
prospects
challenges
metal‐organic
framework
biomedical
field
discussed,
hoping
promote
multidisciplinary
fields.
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Metal–organic
frameworks
(MOFs)
are
promising
materials
for
hydrogen
(H
2
)
storage
due
to
their
versatile
structures,
high
surface
areas
and
substantial
pore
volumes.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(25), P. 32713 - 32726
Published: June 11, 2024
Metal-organic
frameworks
(MOFs)
have
attracted
attention
due
to
their
designable
structures.
However,
recently
reported
MOF
microwave-absorbing
materials
(MAMs)
are
dominated
by
powders.
It
remains
a
challenge
design
MOF/carbon
nanotube
(CNT)
composite
structures
that
combine
the
mechanical
properties
of
self-supporting
flexibility
with
excellent
microwave
absorption.
This
work
involves
hydrothermal
approach
grow
Ni-MOF
different
microstructures
in
situ
on
CNT
monofilament
adjusting
molar
ratio
nickel
ions
organic
ligands.
Subsequently,
an
ultraflexible
Ni-MOF/CNT
buckypaper
(BP)
is
obtained
directional
gas
pressure
filtration
technology.
The
BP
porous
skeleton
and
unique
structure
provide
effective
impedance
matching.
CNTs
contribute
conduction
loss,
cross-scale
heterogeneous
interface
generated
provides
rich
interfacial
polarization
complicates
propagation
path.
All
factors
together
give
absorption
capacity.
minimum
reflection
losses
BPs
decorated
granular-,
hollow
prism-,
prism-shaped
Ni-MOFs
reach
-50.8,
-57.8,
-43.3
dB,
respectively.
corresponding
bandwidths
4.5,
6.3,
4.8
GHz,
Furthermore,
show
remarkable
as
they
can
be
wound
hundreds
times
around
glass
rod
diameter
4
mm
without
structural
damage.
presents
new
concept
for
creating
self-supported
MOF-based
MAMs
hierarchical
interpenetrating
structures,
potential
application
advantages
field
flexible
electronics.
