ACS electrochemistry.,
Journal Year:
2025,
Volume and Issue:
1(3), P. 407 - 418
Published: Jan. 2, 2025
Remarkable
oxygen
reduction
reaction
(ORR)
electrocatalysts
have
been
prepared
by
assembling
bimetallic
CoFe
nanoparticles
on
hierarchically
meso-macroporous
N-doped
carbon
nanospheres.
Metal–nitrogen–carbon
catalysts
are
emerging
as
promising
alternatives
to
Pt/C
for
ORR;
however,
their
performance
is
limited
the
low
density
and
accessibility
of
active
metal
sites.
The
present
structured
provides
abundant
exposed
sites
species.
nanoparticles,
in
turn,
significantly
increase
total
catalytic
ORR.
Consequently,
optimized
embedded
(CoFe@MesoMacroNC)
deliver
superior
ORR
activities
both
alkali
acidic
media,
achieving
half-wave
potentials
0.943
V
vs
RHE
0.811
RHE,
respectively.
In
addition,
when
CoFe@MesoMacroNC
used
a
Zn–air
battery,
it
shows
higher
power
155
mW
cm–2
compared
with
that
commercial
(137
cm–2)
well
better
stability.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(27)
Published: April 17, 2024
Abstract
Ordered
pore
engineering
that
embeds
uniform
pores
with
periodic
alignment
in
electrocatalysts
opens
up
a
new
avenue
for
achieving
further
performance
promotion.
Hierarchically
ordered
porous
metal–organic
frameworks
(HOP‐MOFs)
possessing
multilevel
distribution
are
the
promising
precursors
exploration
of
electrocatalysts,
while
scalable
acquisition
HOP‐MOFs
editable
components
and
adjustable
size
regimes
is
critical.
This
review
presents
recent
progress
on
hierarchically
MOF‐based
materials
enhanced
electrocatalysis.
The
synthetic
strategies
different
regimes,
including
self‐assembly
guided
by
reticular
chemistry,
surfactant,
nanoemulsion,
nanocasting,
first
introduced.
Then
applications
as
exploring
summarized,
selecting
representatives
to
highlight
boosted
performance.
Especially,
intensification
molecule
ion
transport
integrated
optimized
electron
transfer
site
exposure
over
derivatives
emphasized
clarify
directional
integration
effect
endowed
engineering.
Finally,
remaining
scientific
challenges
an
outlook
this
field
proposed.
It
hoped
will
guide
nanocatalysts
boosting
catalytic
promoting
practical
applications.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(9), P. 10451 - 10465
Published: April 25, 2024
The
continuous
rise
in
atmospheric
CO2
concentration,
overconsumption
of
energy
resources,
and
release
extraordinary
organic
pollutants
are
challenging
issues
the
modern
era.
Catalytic
technology
offers
a
promising
solution
to
tackle
these
environmental
challenges
parallel
by
facilitating
highly
effective
sustainable
processes.
Herein,
we
report
fabrication
series
different
nature
polyarylimide
(PAI)-based
covalent–organic
frameworks
(COFs)
via
polycondensation
reaction
altering
linkers,
solvents,
other
experimental
conditions.
To
optimize
their
catalytic
performance,
resultant
PAI-COFs
were
further
decorated
with
metal–organic
(ZIF-67).
decoration
COF4
ZIF-67
led
adjusted
bandgaps,
created
an
active
site,
enhanced
charge
separation
migration
photoexcited
electron–hole
(e–h)
pairs,
extended
light
absorption
visible
region,
also
facilitated
transferring
electrons
between
COFs
MOFs
photoelectron
modulation
approach.
Based
on
our
findings,
it
is
confirmed
that
(MOFs)
optimal
catalysts
compared
(COF1,
COF2,
COF3)
(ZIF-8).
Interestingly,
pristine
COF4,
5ZIF-67/COF4
nanohybrid
revealed
∼8-fold
∼5.3-fold
for
conversion,
direct
capturing,
photoelectrochemical
conversion
faradaic
efficiency
50%.
Likewise,
as-fabricated
catalyst
exhibits
exceptional
activities
photocatalytic
hydrogen
production
pollutant
oxidation.
Ultimately,
this
work
will
provide
roadmap
design
COF-based
nanohybrids
applications.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(34), P. 22829 - 22854
Published: Aug. 17, 2024
Porous
materials,
characterized
by
their
controllable
pore
size,
high
specific
surface
area,
and
controlled
space
functionality,
have
become
cross-scale
structures
with
microenvironment
effects
multiple
functions
gained
tremendous
attention
in
the
fields
of
catalysis,
energy
storage,
biomedicine.
They
evolved
from
initial
nanopores
to
multiscale
pore-cavity
designs
yolk-shell,
multishells,
or
asymmetric
structures,
such
as
bottle-shaped,
multichambered,
branching
architectures.
Various
synthesis
strategies
been
developed
for
interfacial
engineering
porous
including
bottom-up
approaches
using
liquid-liquid
liquid-solid
interfaces
"templating"
top-down
toward
chemical
tailoring
polymers
different
cross-linking
degrees,
well
interface
transformation
Oswald
ripening,
Kirkendall
effect,
atomic
diffusion
rearrangement
methods.
These
techniques
permit
design
functional
materials
diverse
effects,
size
enrichment
isolation
synergistic
local
field
enhancement
enhanced
applications.
In
this
review,
we
delve
into
interfacial-oriented
advanced
effects.
We
also
discuss
recent
progress
applications
these
collaborative
structure-activity
relationships
areas
electrochemical
conversion,
Finally,
outline
persisting
obstacles
prospective
avenues
terms
functionalization
engineering.
The
perspectives
proposed
paper
may
contribute
promote
wider
various
interdisciplinary
within
confined
dimensions
structures.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(19)
Published: Jan. 14, 2024
Abstract
The
introduction
of
enlarged
and
interconnected
nanochannels
into
metal–organic
frameworks
(MOFs)
overcome
their
micropore
size
restriction,
enhances
mass
transportation,
improves
the
accessibility
anchored
metal
clusters.
Herein,
foamed
Ce‐MOF
single
crystals
(F‐Ce‐MOF‐SC‐x)
designed
from
a
multiscale
co‐assembly
is
reported
in
presence
copolymer
template
1,3,5‐trimethylbenzene
as
structural
regulator.
resultant
F‐Ce‐MOF‐SC‐x
possessed
well‐defined
microporous
tandem‐ordered
meso‐macroporous
foams
with
superior
connectivity
versatile
Ce‐defective
unsaturated
sites
(Ce‐DUS).
applied
stable
carrier
for
anchoring
polytertiary
amines
(PA)
via
coordination
interactions
Ce‐DUS.
Owing
to
ability
PA
recognize
SO
2
,
F‐Ce‐MOF‐SC‐x@yPA
delivers
exceptional
performance
terms
high‐temperature
reversible
adsorption
separation
including
remarkable
capacity
spectacular
selectivity
/CO
/N
an
ultrafast
equilibrium
rate,
stability
50
cycles.
These
characteristics
are
outstanding
among
those
MOFs
many
adsorbents.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(32)
Published: May 30, 2024
Uniquely
functional
nanocomplexes
with
rich
coordination
environments
are
critical
in
energy
storage.
However,
the
construction
of
structurally
versatile
remains
challenging.
In
this
study,
a
nickel-based
complex
structural
variations
is
designed
via
thermodynamic
modulation
using
dual-ligand
synthesis
strategy.
A
nanomaterial
(NiSA-SSA-160)
large
specific
surface
area
synthesized
around
competing
host
and
guest
molecules
that
differ
terms
chemical
properties
O
S
elements.
Concurrently,
environment
NiSA-SSA-160
investigated
X-ray
absorption
fine
structure
spectroscopy.
The
thiol
groups
synergistically
induced
an
electron-rich
Ni
structure,
thus
increasing
electron
density
central
atom.
electrochemical
performance
assembled
NiSA-SSA-160//Zn@CC
battery
shown
to
improve
significantly,
maximum
0.54
mWh
cm
ACS Nano,
Journal Year:
2023,
Volume and Issue:
18(1), P. 373 - 382
Published: Dec. 21, 2023
Improving
catalytic
performance
relies
heavily
on
the
rational
design
of
spatial
structure
electrocatalysts,
achieved
through
exposure
active
sites,
acceleration
charge/mass
transfer
rate,
and
confinement
reactants.
In
this
study,
we
have
fabricated
Co
nanoparticles
embedded
in
overhang
eave-like
hollow
N-doped
mesoporous
carbon
(Co@EMPC)
by
adjusting
thickness
polydopamine
(mPDA).
Thanks
to
abundance
short
channels
within
porous
tuned
electronic
properties
resulting
from
heterojunction
structures
between
metal
carbon,
prepared
Co@EMPC
provides
increased
accessibility
sites
enhanced
mass
charge
rates.
These
features
contribute
superior
oxygen
reduction
reaction
(ORR),
with
a
half-wave
potential
0.874
V
vs
RHE,
as
well
exceptional
durability
alkaline
media.
This
study
introduces
useful
approach
enhance
ORR
using
nanoreactors.
