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.
ACS Catalysis,
Journal Year:
2021,
Volume and Issue:
11(20), P. 12485 - 12509
Published: Sept. 27, 2021
Electrocatalytic
water
splitting
is
a
sustainable
way
to
produce
hydrogen
energy,
but
the
oxygen
evolution
reaction
(OER)
at
anode
has
sluggish
kinetics
and
low
energy
conversion
efficiency,
which
major
bottleneck
for
large-scale
production.
The
design
synthesis
of
robust
low-cost
OER
catalysts
are
crucial
OER.
NiCo-based
electrocatalysts
have
suitable
atomic
electronic
structures,
show
high
activity
stability
during
process.
Recently,
significant
progress
been
made
in
regulating
structure
composition
understanding
nature
catalysis,
especially
mechanism,
catalytic
active
sites,
structure–activity
relationship.
In
this
work,
we
summarized
discussed
latest
development
OER,
with
particular
emphasis
on
catalyst
synthesis,
strategies
boosting
performance,
catalysis
from
experimental
theoretical
perspectives.
some
descriptors,
relationships
based
unveiled.
Finally,
challenges
futuristic
outlooks
improving
performance
proposed,
hope
review
can
provide
guidance
more
efficient
electrocatalysts.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(24)
Published: March 11, 2022
Abstract
Multiple
relaxation
behaviors
are
promising
for
broad
frequency
band
and
strong
electromagnetic
wave
(EMW)
absorption
based
on
polarization‐controlled
(EM)
attenuation.
However,
rational
selection
of
materials
structure
manipulation
through
tunable
substitution
or
phase
control
challenging
toward
optimization
EMW
absorption.
Herein,
bi‐metallic
organic
frameworks
(B‐MOFs)
with
various
morphologies
employed
as
absorbers.
Remarkably,
the
polar
units
can
be
enhanced
by
introducing
Ni‐metal
nodes
into
Cu‐coordinated
MOFs,
rendering
B‐MOFs
self‐polarized
properties
consecutive
multifrequency
behaviors.
The
maximum
reflection
loss
acetylene
black
(ACET)
filled
NiCu‐MOFs
reach
–40.54
dB
together
a
wide
bandwidth
(<‐10
dB)
5.87
GHz
at
thickness
2.5
mm.
As
counterpart
Ni/Cu/C
derivatives,
significantly
increased
(6.93
GHz)
absorbing
polarization
characteristics
also
maintained
in
bimetal
coexisting
carbonized
architectures
prepared
calcination
CuNi‐MOFs.
This
work
demonstrates
that
performance
effective
multi‐metallic
frameworks‐based
architectures,
paves
novel
avenue
developing
broadband
Advanced Science,
Journal Year:
2021,
Volume and Issue:
8(22)
Published: Oct. 12, 2021
Abstract
Electron
density
modulation
is
of
great
importance
in
an
attempt
to
achieve
highly
active
electrocatalysts
for
the
oxygen
evolution
reaction
(OER).
Here,
successful
construction
CuO@CoOOH
p‐n
heterojunction
(i.e.,
p‐type
CuO
and
n‐type
CoOOH)
nanoarray
electrocatalyst
through
situ
anodic
oxidation
CuO@CoS
x
on
copper
foam
reported.
The
can
remarkably
modify
electronic
properties
space‐charge
region
facilitate
electron
transfer.
Moreover,
Raman
study
reveals
generation
SO
4
2−
from
CoS
oxidation,
cloud
distribution
functional
theory
calculation
suggest
that
surface‐adsorbed
OER
process
by
enhancing
adsorption
OH
−
.
positively
charged
CoOOH
significantly
enhance
activity.
As
a
result,
shows
enhanced
performance
with
low
overpotential
186
mV
afford
current
10
mA
cm
−2
preparation
large
scale
(14
×
25
2
)
sample
demonstrates
possibility
promoting
catalyst
industrial‐scale
production.
This
offers
new
insights
into
design
fabrication
non‐noble
metal‐based
as
effective
catalytic
materials
energy
storage
conversion.
