Environmental Science & Technology,
Год журнала:
2024,
Номер
58(44), С. 19797 - 19806
Опубликована: Окт. 21, 2024
In
recent
years,
multifarious
new
materials
have
been
developed
for
environmental
governance.
Thereinto,
metal
organic
framework
(MOF)-based
catalysts
widely
employed
heterogeneous
catalysis
because
of
their
high
porosity
to
confine
noble
particles
faraway
from
aggregation.
However,
the
potential
reactions
between
residual
species
material
synthesis
process
and
target
pollutants,
which
could
form
highly
toxic
byproducts,
are
often
neglected.
Herein,
we
took
used
Zr-MOF,
UiO-66,
with
thermal
stability
supported
Pd
as
example
investigate
how
in
involved
aromatic
volatile
compounds
(VOCs)
degradation
reaction.
The
results
showed
that
Cl
originated
ZrCl
eScience,
Год журнала:
2023,
Номер
4(2), С. 100208 - 100208
Опубликована: Ноя. 3, 2023
Present
photocatalysts
for
the
synchronous
cleanup
of
pharmaceuticals
and
heavy
metals
have
several
drawbacks,
including
inadequate
reactive
sites,
inefficient
electron–hole
disassociation,
insufficient
oxidation
reduction
power.
In
this
research,
we
sought
to
address
these
issues
by
using
a
facile
solvothermal-photoreduction
route
develop
an
innovative
plasmonic
S-scheme
heterojunction,
Au/MIL-101(Fe)/BiOBr.
The
screened-out
Au/MIL-101(Fe)/BiOBr
(AMB-2)
works
in
durable
high-performance
manner
both
Cr(VI)
norfloxacin
(NOR)
eradication
under
visible
light,
manifesting
up
53.3
2
times
greater
NOR
abatement
rates,
respectively,
than
BiOBr.
Remarkably,
AMB-2's
ability
remove
Cr(VI)-NOR
co-existence
system
is
appreciably
better
sole-Cr(VI)
environment;
synergy
among
Cr(VI),
NOR,
AMB-2
results
utilization
photo-induced
carriers,
yielding
desirable
capacity
decontaminating
synchronously.
integration
MOF-based
heterojunctions
effect
contributes
markedly
reinforced
photocatalytic
increasing
number
active
augmenting
visible-light
absorbance,
boosting
efficient
disassociation
redistribution
powerful
photo-carriers,
elevating
generation
substances.
We
provide
details
mechanism,
decomposition
process,
bio-toxicity
intermediates.
This
synergistic
strategy
modifying
with
noble
metal
opens
new
horizons
devising
excellent
photosystems
environment
purification.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(22), С. 7949 - 8004
Опубликована: Янв. 1, 2023
Photocatalytic
organic
reactions,
harvesting
solar
energy
to
produce
high
value-added
chemicals,
have
attracted
increasing
attention
as
a
sustainable
approach
address
the
global
crisis
and
environmental
issues.
Reticular
framework
materials,
including
metal-organic
frameworks
(MOFs)
covalent
(COFs),
are
widely
considered
promising
candidates
for
photocatalysis
owing
their
crystallinity,
tailorable
pore
environment
extensive
structural
diversity.
Although
design
synthesis
of
MOFs
COFs
been
intensively
developed
in
last
20
years,
applications
photocatalytic
transformations
still
preliminary
stage,
making
systematic
summary
necessary.
Thus,
this
review
aims
provide
comprehensive
understanding
useful
guidelines
exploration
suitable
MOF
COF
photocatalysts
towards
appropriate
reactions.
The
commonly
used
reactions
categorized
facilitate
identification
reaction
types.
From
practical
viewpoint,
fundamentals
experimental
design,
active
species,
performance
evaluation
external
conditions,
discussed
detail
easy
experimentation.
Furthermore,
latest
advances
COFs,
composites,
comprehensively
summarized
according
actual
sites,
together
with
discussion
structure-property
relationship.
We
believe
that
study
will
be
helpful
researchers
novel
reticular
various
synthetic
applications.
Nano Letters,
Год журнала:
2023,
Номер
23(5), С. 1726 - 1734
Опубликована: Фев. 16, 2023
Zn
metal
has
received
immense
interest
as
a
promising
anode
of
rechargeable
aqueous
batteries
for
grid-scale
energy
storage.
Nevertheless,
the
uncontrollable
dendrite
growth
and
surface
parasitic
reactions
greatly
retard
its
practical
implementation.
Herein,
we
demonstrate
seamless
multifunctional
metal-organic
framework
(MOF)
interphase
building
corrosion-free
dendrite-free
anodes.
The
on-site
coordinated
MOF
with
3D
open
structure
could
function
highly
zincophilic
mediator
ion
sifter
that
synergistically
induces
fast
uniform
nucleation/deposition.
In
addition,
corrosion
hydrogen
evolution
are
significantly
suppressed
by
interface
shielding
interphase.
An
ultrastable
plating/stripping
is
achieved
elevated
Coulombic
efficiency
99.2%
over
1000
cycles
prolonged
lifetime
1100
h
at
10
mA
cm-2
high
cumulative
plated
capacity
5.5
Ah
cm-2.
Moreover,
modified
assures
MnO2-based
full
cells
superior
rate
cycling
performance.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(19), С. 11149 - 11175
Опубликована: Янв. 1, 2024
The
current
review
discusses
on
vanadium-
and
manganese-based
metal–organic
frameworks
their
derivatives
for
energy
storage
conversion
applications
along
with
the
potential
future
advancements
in
these
fields.
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(34), С. 18931 - 18938
Опубликована: Авг. 17, 2023
Interfacial
charge
transfer
on
the
surface
of
heterogeneous
photocatalysts
dictates
efficiency
reactive
oxygen
species
(ROS)
generation
and
therefore
aerobic
oxidation
reactions.
Reticular
chemistry
in
metal-organic
frameworks
(MOFs)
allows
for
rational
design
donor-acceptor
pairs
to
optimize
interfacial
charge-transfer
kinetics.
Herein,
we
report
a
series
isostructural
fcu-topology
Ni8-MOFs
(termed
JNU-212,
JNU-213,
JNU-214,
JNU-215)
with
linearly
bridged
bipyrazoles
as
organic
linkers.
These
crystalline
can
maintain
their
structural
integrity
7
M
NaOH
at
100
°C
24
h.
Experimental
studies
reveal
that
linker
engineering
by
tuning
electron-accepting
capacity
pyrazole-bridging
units
renders
these
significantly
improved
separation
under
visible-light
irradiation.
Among
them,
one
containing
benzoselenadiazole
unit
(JNU-214)
exhibits
best
photocatalytic
performance
benzylamines
conversion
rate
99%
Recycling
experiments
were
carried
out
confirm
stability
reusability
JNU-214
robust
catalyst.
Significantly,
systematic
modulation
bridging
donor-acceptor-donor
MOFs
provides
new
pathway
develop
viable
noble-metal-free
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(36)
Опубликована: Июль 12, 2023
Photocatalytic
synthesis
of
hydrogen
peroxide
(H2
O2
)
is
a
potential
clean
method,
but
the
long
distance
between
oxidation
and
reduction
sites
in
photocatalysts
hinders
rapid
transfer
photogenerated
charges,
limiting
improvement
its
performance.
Here,
metal-organic
cage
photocatalyst,
Co14
(L-CH3
)24
,
constructed
by
directly
coordinating
metal
(Co
sites)
used
for
reaction
(ORR)
with
non-metallic
(imidazole
ligands)
H2
O
(WOR),
which
shortens
transport
path
electrons
holes,
improves
efficiency
charges
activity
photocatalyst.
Therefore,
it
can
be
as
an
efficient
photocatalyst
rate
high
146.6
μmol
g-1
h-1
production
under
-saturated
pure
water
without
sacrificial
agents.
Significantly,
combination
photocatalytic
experiments
theoretical
calculations
proves
that
functionalized
modification
ligands
more
conducive
to
adsorbing
key
intermediates
(*OH
WOR
*HOOH
ORR),
resulting
better
This
work
proposed
new
catalytic
strategy
first
time;
i.e.,
build
synergistic
metal-nonmetal
active
site
crystalline
catalyst
use
host-guest
chemistry
inherent
(MOC)to
increase
contact
substrate
catalytically
site,
finally
achieve
synthesis.