Nanoscale,
Год журнала:
2021,
Номер
13(7), С. 3911 - 3936
Опубликована: Янв. 1, 2021
Ultrathin
two-dimensional
metal-organic
frameworks
(2D
MOFs)
have
recently
attracted
extensive
interest
in
various
catalytic
fields
(e.g.,
electrocatalysis,
photocatalysis,
thermocatalysis)
due
to
their
ultrathin
thickness,
large
surface
area,
abundant
accessible
unsaturated
active
sites
and
tunable
properties.
Besides
tuning
the
intrinsic
properties
of
pristine
2D
MOFs
by
changing
metal
nodes
organic
ligands,
one
hot
research
trends
is
develop
MOF
hybrids
MOF-derived
materials
with
higher
stability
conductivity
order
further
increase
activity
durability.
Here,
synthesis
nanosheets
briefly
summarized
discussed.
More
attention
focused
on
summaries
discussions
about
applications
these
MOFs,
derived
as
electrocatalysts,
photocatalysts
thermocatalysts.
The
superior
performance
MOF-based
catalysts
compared
3D
counterparts
photocatalysis
thermocatalysis
are
highlighted.
enhanced
activities
derivatives
come
from
sites,
a
high
density
nodes,
microenvironments
around
MOFs.
Views
regarding
current
future
challenges
field,
new
advances
science
technology
meet
challenges,
also
presented.
Finally,
conclusions
outlooks
this
field
provided.
Angewandte Chemie International Edition,
Год журнала:
2019,
Номер
59(12), С. 4634 - 4650
Опубликована: Сен. 17, 2019
Abstract
In
view
of
the
clean
and
sustainable
energy,
metal–organic
frameworks
(MOFs)
based
materials,
including
pristine
MOFs,
MOF
composites,
their
derivatives
are
emerging
as
unique
electrocatalysts
for
oxygen
reduction
reaction
(ORR).
Thanks
to
tunable
compositions
diverse
structures,
efficient
MOF‐based
materials
provide
new
opportunities
accelerate
sluggish
ORR
at
cathode
in
fuel
cells
metal–air
batteries.
This
Minireview
first
provides
some
introduction
followed
by
classification
towards
ORR.
Recent
breakthroughs
engineering
highlighted
with
an
emphasis
on
synthesis
strategy,
component,
morphology,
structure,
electrocatalytic
performance,
mechanism.
Finally,
current
challenges
future
perspectives
also
discussed.
Chemical Society Reviews,
Год журнала:
2021,
Номер
50(4), С. 2663 - 2695
Опубликована: Янв. 1, 2021
This
review
summarizes
the
recent
progress
on
MOFs
and
their
derivatives
used
for
OER
electrocatalysis
in
terms
of
morphology,
composition
structure–performance
relationship.
Here,
an
integrated
cascade
nanozyme
with
a
formulation
of
Pt@PCN222-Mn
is
developed
to
eliminate
excessive
reactive
oxygen
species
(ROS).
This
mimics
superoxide
dismutase
by
incorporation
Mn-[5,10,15,20-tetrakis(4-carboxyphenyl)porphyrinato]-based
metal-organic
framework
compound
capable
transforming
radicals
hydrogen
peroxide.
The
second
mimicked
functionality
that
catalase
Pt
nanoparticles,
which
catalyze
peroxide
disproportionation
water
and
oxygen.
Both
in
vitro
vivo
experimental
measurements
reveal
the
synergistic
ROS-scavenging
capacity
such
nanozyme.
Two
forms
inflammatory
bowel
disease
(IBD;
i.e.,
ulcerative
colitis
Crohn's
disease)
can
be
effectively
relieved
treatment
study
not
only
provides
new
method
for
constructing
enzyme-like
systems
but
also
illustrates
their
efficient
therapeutic
promise
IBDs.
Nature Communications,
Год журнала:
2020,
Номер
11(1)
Опубликована: Июнь 5, 2020
Abstract
Single-atom
catalysts
(SACs)
have
sparked
broad
interest
recently
while
the
low
metal
loading
poses
a
big
challenge
for
further
applications.
Herein,
dual
protection
strategy
has
been
developed
to
give
high-content
SACs
by
nanocasting
SiO
2
into
porphyrinic
metal–organic
frameworks
(MOFs).
The
pyrolysis
of
@MOF
composite
affords
single-atom
Fe
implanted
N-doped
porous
carbon
(Fe
SA
–N–C)
with
high
(3.46
wt%).
spatial
isolation
atoms
centered
in
porphyrin
linkers
MOF
sets
first
protective
barrier
inhibit
agglomeration
during
pyrolysis.
provides
additional
creating
thermally
stable
FeN
4
/SiO
interfaces.
Thanks
high-density
sites,
–N–C
demonstrates
excellent
oxygen
reduction
performance
both
alkaline
and
acidic
medias.
Meanwhile,
also
exhibits
encouraging
proton
exchange
membrane
fuel
cell,
demonstrating
great
potential
practical
application.
More
far-reaching,
this
work
grants
general
synthetic
methodology
toward
(such
as
,
Co
Ni
).
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(37)
Опубликована: Июнь 26, 2021
Abstract
Photocatalysis
is
considered
to
be
a
green
and
environment‐friendly
technology
since
it
can
convert
solar
energy
into
other
types
of
chemical
energies.
Over
the
past
several
years,
metal‐organic
frameworks
(MOFs)‐based
photocatalysts
have
received
remarkable
research
interest
due
their
unique
morphology,
high
photocatalytic
performance,
good
stability,
easy
synthesis,
low
cost.
In
this
review,
synthetic
strategies
developing
MOFs‐based
are
first
introduced.
Second,
recent
progress
in
fabrication
various
MOFs
composites
summarized.
Third,
different
applications
including
hydrogen
evolution
reaction,
oxygen
overall
water
splitting,
nitrogen
reduction
carbon
dioxide
reaction
as
well
photodegradation
organic
pollutants
summed
up.
Finally,
challenges
some
suggestions
for
future
development
MOFs‐
composites‐based
also
highlighted.
It
expected
that
report
will
help
researchers
systematically
devise
develop
highly
efficient
based
on
composites.