Chemical Synthesis,
Journal Year:
2024,
Volume and Issue:
4(3)
Published: July 8, 2024
Metal–organic
frameworks
(MOFs)
have
garnered
significant
attention
in
the
field
of
catalysis
due
to
their
unique
advantages
such
as
diverse
coordination
geometry,
variable
metal
nodes,
and
organic
linkers,
facilitating
precise
structural
compositional
control
for
achieving
programmable
catalytic
functionalities.
Although
inherent
microporous
structure
could
provide
excellent
shape
selectivity
during
catalysis,
it
typically
impedes
mass
transfer
process,
thereby
reducing
use
internal
active
sites
overall
efficiency.
Additionally,
employing
single
MOFs
catalysts
presents
challenges
complex
reactions
that
require
multifunctional
sites.
In
recent
years,
considerable
research
efforts
focused
on
designing
constructing
hierarchical
nanostructured
alleviate
substrate
diffusion
limitations
by
introducing
secondary
nanopores,
shortening
distances
via
construction
low-dimensional
nanoarchitectures,
integrating
distinct
with
suitable
functions.
This
review
provides
a
comprehensive
overview
design,
synthesis
methods,
formation
mechanisms
MOF-based
nanostructures
years.
Subsequently,
further
highlights
applications
thermal
electrocatalysis,
photocatalysis,
along
relationship
between
performances.
Finally,
an
outlook
potential
development
directions
hierarchically
structured
MOF
nanocatalysts.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(20)
Published: Feb. 20, 2023
Abstract
Constructing
MOF‐on‐MOF
heterojunction
with
elaborate
charge
transfer
mechanism
and
interface
is
a
promising
strategy
for
improving
the
photocatalytic
properties
of
MOFs.
Herein,
Step‐scheme
(S‐scheme)
MIL‐125‐NH
2
@CoFe
Prussian
blue
analogue
(PBA)
reported
first
time.
The
heterostructure
exhibits
sandwich‐like
morphology
hollow
CoFe
PBA
nanocages
selectively
assembled
on
top‐down
surfaces
nanocakes.
Experimental
findings
theoretical
simulation
results
reveal
formation
internal
electric
field
via
interfacial
TiOCo
bonds
at
heterojunction,
providing
driving
force
atomic
transportation
highway
accelerating
S‐scheme
enhancing
redox
performance.
Contributed
further
by
structures
increased
active
site
exposure,
designed
significantly
enhanced
activity
degradation
various
organic
pollutants.
This
study
provides
insights
toward
rational
design
semiconducting
MOF‐based
heterojunctions
improved
properties.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(23)
Published: March 29, 2023
Various
metal
ions
with
different
valence
states
(Mg2+
,
Al3+
Ca2+
Ti4+
Mn2+
Fe3+
Ni2+
Zn2+
Pb2+
Ba2+
Ce4+
)
are
successfully
confined
in
quasi-microcube
shaped
cobalt
benzimidazole
frameworks
using
a
space-confined
synthesis
strategy.
More
importantly,
series
of
derived
carbon
materials
that
confine
obtained
by
high-temperature
pyrolysis.
Interestingly,
the
exhibited
electric
double-layer
and
pseudocapacitance
properties
because
presence
various
states.
Moreover,
additional
within
may
create
new
phases,
which
can
accelerate
Na+
insertion/extraction
thus
increase
electrochemical
adsorption.
Density
functional
theory
results
showed
Ti
exhibit
enhanced
resulting
from
characteristic
anatase
crystalline
phases
TiO2
.
The
Ti-containing
have
an
impressive
desalination
capacity
(62.8
mg
g-1
capacitive
deionization
(CDI)
applications
high
cycling
stability.
This
work
provides
facile
synthetic
strategy
for
confinement
metal-organic
supports
further
development
seawater
CDI.
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
16(5), P. 1815 - 1820
Published: Jan. 1, 2023
Metal–organic
framework
(MOF)
derivatives,
such
as
pyrolytic
carbons,
metal-containing
and
MOF-based
hybrids,
have
been
designed
to
replace
conventionally
used
carbon
materials
for
promoting
capacitive
deionization
performance.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(7), P. 2528 - 2543
Published: Jan. 1, 2023
Self-assembly
of
colloidal
particles
into
ordered
superstructures
enables
the
development
novel
advanced
materials
for
diverse
applications
such
as
photonics,
electronics,
sensing,
energy
conversion,
storage,
diagnosis,
drug
or
gene
delivery,
and
catalysis.
Recently,
polyhedral
metal-organic
framework
(MOF)
have
been
proposed
promising
to
form
superstructures,
based
on
their
stability,
size-tunability,
rich
shapes,
porosity
multifunctionality.
In
this
review,
we
present
a
comprehensive
overview
strategies
self-assembly
MOF
different
dimensionalities,
highlighting
some
properties
applications,
sharing
thoughts
particles.
Small,
Journal Year:
2023,
Volume and Issue:
19(25)
Published: March 18, 2023
Abstract
Organic–inorganic
hybrid
perovskite
solar
cells
(PSCs)
are
among
the
most
promising
candidates
for
next
generation
of
photovoltaic
devices
because
significant
increase
in
their
power
conversion
efficiency
(PCE)
from
less
than
10%
to
25.7%
past
decade.
The
metal‐organic
framework
(MOF)
materials
owing
unique
properties,
such
as
large
specific
surface
area,
abundant
binding
sites,
adjustable
nanostructures,
and
synergistic
effects,
used
additives
or
functional
layers
enhance
device
performance
long‐term
stability
PSCs.
This
review
focuses
on
recent
advancements
applications
MOFs
as/in
different
performance,
impact,
advantages
MOF
integrated
into
absorber,
electron
transport
layer,
hole
interfacial
layer
reviewed.
In
addition,
applicability
mitigate
leakage
Pb
2+
halide
perovskites
corresponding
is
discussed.
concludes
with
perspectives
further
research
directions
employing
Small,
Journal Year:
2023,
Volume and Issue:
20(1)
Published: Aug. 29, 2023
Abstract
2D
metal‐organic
frameworks‐based
(2D
MOF‐related)
materials
benefit
from
variable
topological
structures,
plentiful
open
active
sites,
and
high
specific
surface
areas,
demonstrating
promising
applications
in
gas
storage,
adsorption
separation,
energy
conversion,
other
domains.
In
recent
years,
researchers
have
innovatively
designed
multiple
strategies
to
avoid
the
adverse
effects
of
conventional
methods
on
synthesis
high‐quality
MOFs.
This
review
focuses
latest
advances
creative
techniques
for
MOF‐related
both
top‐down
bottom‐up
perspectives.
Subsequently,
are
categorized
summarized
synthesizing
composites
their
derivatives.
Finally,
current
challenges
highlighted
faced
by
some
targeted
recommendations
put
forward
inspire
investigate
more
effective
methods.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(1)
Published: Nov. 28, 2023
Abstract
The
field
of
metal‐organic
frameworks
(MOFs)
has
progressed
beyond
the
design
and
exploration
powdery
single‐crystalline
materials.
A
current
challenge
is
fabrication
organized
superstructures
that
can
harness
directional
properties
individual
constituent
MOF
crystals.
To
date,
progress
in
methods
polycrystalline
led
to
close‐packed
structures
with
defined
crystalline
orientation.
By
controlling
orientation,
pore
channels
crystals
be
aligned
along
specific
directions:
these
systems
possess
anisotropic
including
enhanced
diffusion
directions,
preferential
orientation
guest
species,
protection
functional
guests.
In
this
perspective,
we
discuss
status
research
oriented
focusing
on
directions
Three
are
examined
detail:
assembly
from
colloidal
solutions,
use
external
fields
for
alignment
particles,
heteroepitaxial
ceramic‐to‐MOF
growth.
This
perspective
aims
at
promoting
inspiring
development
new
protocols
preparation
channels,
enable
advanced
MOF‐based
devices
properties.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(5), P. 4308 - 4319
Published: Jan. 23, 2024
The
intrinsic
roadblocks
for
designing
promising
Pt-based
oxygen
reduction
reaction
(ORR)
catalysts
emanate
from
the
strong
scaling
relationship
and
activity–stability–cost
trade-offs.
Here,
a
carbon-supported
Pt
nanoparticle
Mn
single
atom
(PtNP–MnSA/C)
as
in
situ
constructed
PtNP–MnSA
pairs
are
demonstrated
to
be
an
efficient
catalyst
circumvent
above
seesaws
with
only
∼4
wt
%
loadings.
Experimental
theoretical
investigations
suggest
that
MnSA
functions
not
"assist"
sites
cooperatively
facilitate
dissociation
of
O2
due
electronic
polarization,
affording
dissociative
pathway
reduced
H2O2
production,
but
also
structure
"modulator"
downshift
d-band
center
sites,
alleviating
overbinding
oxygen-containing
intermediates.
More
importantly,
serves
"stabilizer"
endow
PtNP–MnSA/C
excellent
structural
stability
low
Fenton-like
reactivity,
resisting
fast
demetalation
metal
sites.
As
result,
PtNPs–MnSA/C
shows
ORR
performance
half-wave
potential
0.93
V
vs
reversible
hydrogen
electrode
high
mass
activity
1.77
A/mgPt
at
0.9
acid
media,
which
is
19
times
higher
than
commercial
Pt/C
declines
by
5%
after
80,000
cycles.
Specifically,
reaches
power
density
1214
mW/cm2
2.87
A/cm2
H2–O2
fuel
cell.