Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 19, 2025
Abstract
The
excessive
CO
2
emissions
from
human
activities
severely
impact
the
natural
environment
and
ecosystems.
Among
various
technologies
available,
electrocatalytic
reduction
is
regarded
as
one
of
most
promising
routes
due
to
its
exceptional
environmental
friendliness
sustainability.
Covalent
organic
frameworks
(COFs)
are
crystalline,
porous
networks
that
formed
through
thermodynamically
controlled
reversible
covalent
polymerization
linkers
via
bonding.
These
materials
exhibit
high
porosity,
large
surface
area,
excellent
chemical
thermal
stability,
sustainability,
electron
transfer
efficiency,
functionalization
capabilities,
making
them
particularly
effective
in
reduction.
First,
this
review
briefly
introduces
fundamental
principles
electrocatalysis
mechanism
Next,
it
discusses
composition,
structure,
synthesis
methods
COF‐based
materials,
well
their
applications
Furthermore,
reviews
research
progress
field
perspective
different
types
catalysts.
Finally,
light
current
status,
development
prospects
catalysts
explored,
providing
a
reference
for
more
efficient
stable
COF
electrocatalysts
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(5), P. 2007 - 2049
Published: April 17, 2024
Hydrogen
peroxide
(H2O2),
a
valuable
chemical,
is
widely
used
as
powerful
oxidizing
agent
in
chemical
synthesis,
pharmaceuticals,
medical
disinfection,
and
environmental
treatment
industries.
Currently,
over
95%
of
H2O2
produced
industrially
using
the
anthraquinone
process,
which
associated
with
its
high
energy
consumption
hazardous
byproducts.
Therefore,
photochemical
synthesis
from
water
oxygen
covalent
organic
framework
based
photocatalysts
have
attracted
considerable
attention.
This
review
aims
to
outline
recent
achievements,
challenges
future
prospects
COFs
heterogeneous
for
sustainable
generation.
We
summarize
chronological
development
COFs,
different
mechanisms
involved,
detailed
experiments
quantification
methods
photocatalytic
The
puts
forward
an
outlook,
highlighting
advantages
limitations
anticipate
that
this
will
provide
insight
into
current
progress
inspire
next-generation
production.
The Innovation,
Journal Year:
2025,
Volume and Issue:
6(2), P. 100778 - 100778
Published: Jan. 18, 2025
Traditional
fossil
fuels
significantly
contribute
to
energy
supply,
economic
development,
and
advancements
in
science
technology.
However,
prolonged
extensive
use
of
has
resulted
increasingly
severe
environmental
pollution.
Consequently,
it
is
imperative
develop
new,
clean,
pollution-free
sources
with
high
density
versatility
as
substitutes
for
conventional
fuels,
although
this
remains
a
considerable
challenge.
Simultaneously,
addressing
water
pollution
critical
concern.
The
design,
optimization
functional
nanomaterials
are
pivotal
advancing
new
solutions
pollutant
remediation.
Emerging
porous
framework
materials
such
metal-organic
frameworks
(MOFs)
covalent
organic
(COFs),
recognized
exemplary
crystalline
materials,
exhibit
potential
applications
due
their
specific
surface
area,
adjustable
pore
sizes
structures,
permanent
porosity,
customizable
functionalities.
This
work
provides
comprehensive
systematic
review
the
MOFs,
COFs,
derivatives
emerging
technologies,
including
oxygen
reduction
reaction,
evolution
hydrogen
lithium-ion
batteries,
remediation
carbon
dioxide
reaction
management.
In
addition,
strategies
performance
adjustment
structure-effect
relationships
these
explored.
Interaction
mechanisms
summarized
based
on
experimental
discussions,
theoretical
calculations,
advanced
spectroscopy
analyses.
challenges,
future
prospects,
opportunities
tailoring
presented.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(31)
Published: May 14, 2024
Hydrazone-linked
covalent
organic
frameworks
(COFs)
with
structural
flexibility,
heteroatomic
sites,
post-modification
ability
and
high
hydrolytic
stability
have
attracted
great
attention
from
scientific
community.
COFs,
as
a
subclass
of
Schiff-base
was
firstly
reported
in
2011
by
Yaghi's
group
later
witnessed
prosperous
development
various
aspects.
Their
adjustable
structures,
precise
pore
channels
plentiful
sites
hydrazone-linked
structures
possess
much
potential
diverse
applications,
for
example,
adsorption/separation,
chemical
sensing,
catalysis
energy
storage,
etc.
Up
to
date,
the
systematic
reviews
about
COFs
are
still
rare.
Therefore,
this
review,
we
will
summarize
their
preparation
methods,
characteristics
related
discuss
opportunity
or
challenge
COFs.
We
hope
review
could
provide
new
insights
exploring
more
appealing
functions
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 13, 2024
Abstract
The
electrochemical
reduction
of
CO
2
(CO
RR)
mainly
occurs
at
the
three‐phase
interface,
and
properties
an
interface
can
directly
affect
RR
pathway.
Cu‐based
materials
produce
considerable
amounts
alcohols
hydrocarbons,
but
it
is
hard
to
precisely
regulate
reaction
obtain
specific
target
products.
Herein,
Cu
surface
through
a
facile
strategy
ionic
liquid
modification
are
successfully
adjusted.
According
theoretical
calculations
in
situ
Raman
FTIR
spectra
characterizations,
revealed
that
introduction
liquids
(e.g.,
[Bmim][PF
6
])
control
energy
barriers
distribution
density
key
intermediates
on
thus
totally
change
pathway
electroreduction.
Consequently,
dominant
products
from
catalyst
will
be
dramatically
switched
between
C
H
4
with
71.1%
Faraday
efficiency
(FE)
CH
67.2%
FE.
It
rarely
seen
previous
reports
fundamentally
changed
simple
modifications.
This
work
offers
straightforward
approach
tune
interfacial
understand
mechanisms
various
electrocatalytic
reactions.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(38)
Published: Aug. 3, 2024
Abstract
Multinuclear
metal
clusters
are
ideal
candidates
to
catalyze
small
molecule
activation
reactions
involving
the
transfer
of
multiple
electrons.
However,
synthesizing
active
is
a
big
challenge.
Herein,
on
constructing
an
unparalleled
Co
4
(SO
)
cluster
within
porphyrin‐based
metal–organic
frameworks
(MOFs)
and
electrocatalytic
features
such
for
oxygen
evolution
reaction
(OER)
reduction
(ORR)
reported.
The
II
sulfate
complexes
tetrakis(4‐pyridyl)porphyrin
under
solvothermal
conditions
afforded
‐M‐MOFs
(M═Co,
Cu,
Zn).
Crystallographic
studies
revealed
that
these
have
same
framework
structure,
having
connected
by
metalloporphyrin
units
through
Co─N
pyridyl
bonds.
In
cluster,
four
ions
chemically
symmetrically
equivalent
each
coordinated
with
O
atoms
give
distorted
cube‐like
structure.
Electrocatalytic
showed
all
OER
ORR.
Importantly,
regulating
activity
units,
it
confirmed
electrocatalysis.
With
use
porphyrins
as
connecting
‐Co‐MOF
displays
highest
in
this
series
MOFs
showing
10
mA
cm
−2
current
density
at
357
mV
overpotential
ORR
half‐wave
potential
0.83
V
versus
reversible
hydrogen
electrode
(RHE).
Theoretical
synergistic
effect
two
proximal
facilitating
formation
O─O
This
work
fundamental
significance
present
construction
structures
electrocatalysis
demonstrate
cooperation
between
during
bond
process.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(27)
Published: April 25, 2024
Abstract
Energy‐saving
and
value‐added
management
in
advanced
catalysis
is
highly
desirable
but
challenged
by
the
limitations
of
multifunctional
catalysts
catalytic
modules.
Herein,
an
azo‐linked
phthalocyanine‐porphyrin
covalent
organic
framework
(COF)
with
ultrathin
layered
nanostructure
grown
on
carbon
nanotubes
(NiPc‐azo‐H2Pp@CNTs)
has
been
designed
synthesized,
which
can
serve
as
a
active
stable
bifunctional
heterojunction
electrocatalyst
for
selective
paired‐electrosynthesis
through
coupling
anodic
iodide
oxidation
reaction
cathodic
CO
2
conversion.
Particularly,
inbuilt
local
microenvironment
conferred
dihydroporphyrin
moieties
COF
act
proton
reservoir
to
promote
relay
at
interface
during
electrocatalytic
process.
Moreover,
cascade
construction
dual
electrocatalytic/organocatalytic
modules,
cathode‐generated
be
further
converted
dimethyl
carbonate
yield
6.21
mmol
L
−1
h
,
while
anode‐produced
iodine
derived
into
iodoform
hundred‐milligram
scale.
It
worth
noting
that
synthesis
mediated
paired‐electrolysis
using
distinctive
high‐powered
electrocatalysts
will
help
advance
sustainable
development
industrial
intelligent
manufacturing.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(47)
Published: Aug. 15, 2024
Abstract
Improving
proton
transfer
is
vital
for
electrocatalysis
with
porous
materials.
Although
several
strategies
are
reported
to
assist
in
channels,
few
studies
dedicated
improving
at
the
local
environments
of
active
sites
Herein,
we
report
on
new
Co‐corrole‐based
organic
polymers
(POPs)
improved
electrocatalytic
oxygen
reduction
reaction
(ORR)
and
evolution
(OER).
By
tuning
pore
sizes
installing
relays
Co
corrole
sites,
designed
synthesized
POP‐2‐OH
both
channels
sites.
This
POP
shows
remarkable
activity
ORR
E
1/2
=0.91
V
vs
RHE
OER
η
10
=255
mV.
Therefore,
this
work
significant
present
a
strategy
improve
site
materials
highlight
key
role
such
structural
functionalization
boosting
electrocatalysis.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 7, 2025
Abstract
The
narrow
resonance
width
of
magnetic
alloys
limits
their
application
as
wide
frequency
electromagnetic
wave
absorbers
within
the
gigahertz
range.
To
address
this
issue,
study
proposes
engineering
homogeneous
interfaces
and
enhancing
anisotropy
through
Sm
doping
in
FeCo
alloy,
thereby
giving
rise
to
a
broadened
an
increased
loss.
results
show
that
Sm‐doping
produces
abundant
grain
boundaries
strengthening
charge
transfer
(0.16
ev)
moment
(0.34
µ
B
),
which
ultimately
heightens
interfacial
exchange
coupling
coefficient
by
six
times.
Furthermore,
magnetocrystalline
constant
rises
from
4.1
×
10
5
3.0
10⁶
J
m
−
3
,
stress
expands
four
fold,
owing
induced
4f
electron
spin‐orbit
lattice
distortion.
Consequently,
natural
are
elevated
10.4
6.4
GHz,
separately.
Eventually,
with
loss
angle
above
0.5
over
7–14
GHz
present
ultra‐wide
absorption.
This
work
provides
new
approach
homointerface
improve
absorption
alloys.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(16), P. 9486 - 9493
Published: Jan. 1, 2024
A
cobalt
polyphthalocyanine
framework
coated
by
polyaniline
shows
excellent
oxygen-resistant
CO
2
electroreduction
performance
with
high
selectivity
of
up
to
87.4%
and
an
industry-level
j
−270
mA
cm
−2
under
5%
O
feed
gas
in
acidic
media.
Materials Today Catalysis,
Journal Year:
2024,
Volume and Issue:
5, P. 100050 - 100050
Published: April 21, 2024
The
highly
active
and
selective
oxygen
reduction
reaction
(ORR)
is
vital
to
promote
the
performance
of
advanced
energy
conversion
systems,
such
as
fuel
cells
other
electrochemical
devices.
Porous
framework
materials
have
capability
combine
catalytic
units
with
their
porous
characteristics,
making
them
promising
catalysts.
However,
due
difficulty
in
designing
synthesizing
units,
pore
size
modulation
primarily
achieved
by
altering
linkers.
We
herein
report
design
synthesis
three
cobalt-corrole-based
organic
polymers
(Co-POP-1,
Co-POP-2
Co-POP-3)
different
sizes,
which
were
obtained
extending
5,15-meso
substituents
Co
corroles.
Compared
Co-POP-1
Co-POP-2,
Co-POP-3
has
largest
size.
Benefiting
from
enhanced
mass
transfer
exposed
sites,
displayed
remarkably
boosted
activity
for
four-electron/four-proton
(4e−/4H+)
ORR
a
half-wave
potential
E1/2
=
0.89
V
versus
reversible
hydrogen
electrode
(RHE)
0.1
M
KOH
solutions.
This
work
not
only
presents
polymer
catalyst
high
selectivity
but
also
provides
new
strategy
moderate
materials.