Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 16, 2025
Tubular
nanoreactors,
which
exhibit
a
distinctive
void-confinement
effect,
have
become
intriguing
for
their
prospective
applications
in
catalysis.
However,
rationally
constructing
these
structures
remains
formidable
challenge,
particularly
realizing
significantly
synergistic
catalytic
enhancement.
In
this
study,
we
present
reliable
template
polymerization-guided
synthetic
strategy,
creating
hollow
CoSn(OH)6
cubes
inside
polydopamine
(PDA)
nanotubes
(CoSn(OH)6@PDA
NTs).
This
sample
functions
as
potent
peroxymonosulfate
(PMS)
activator
toxic
contaminant
oxidation.
Diverse
reactive
oxygen
species
produced
within
the
enhance
efficiency.
The
exceptional
property
results
from
rich
active
sites
of
and
distinct
nanotubular
structure,
concentrates
reactants
benefits
mass
transfer
process.
research
opens
possibilities
developing
high-performance
robust
catalysts
with
spatial
confinement
effects,
advancing
water
treatment
technology.
Cell Reports Physical Science,
Год журнала:
2024,
Номер
5(5), С. 101966 - 101966
Опубликована: Май 1, 2024
Employing
Fenton
technology
for
efficiently
removing
pollutants
in
water
stands
as
a
significant
method.
Within
the
domain
of
traditional
techniques,
there
exist
both
homogeneous
and
heterogeneous
systems.
Homogeneous
systems
tackle
iron
sludge
concerns
through
incorporation
co-catalysts,
whereas
adeptly
manipulate
surface
microenvironments
adjust
active
sites,
enabling
pollutant
degradation
across
wide
range
pH.
Each
system
boasts
distinct
advantages
limitations.
This
perspective
critically
examines
existing
challenges
associated
solutions
reactions
comprehensive
analysis
typical
case
studies.
The
focus
is
on
evaluating
industrial
potential
these
systems,
forecasting
future
developmental
trends,
fostering
more
robust
sustainable
advancement
within
context
carbon
peaking
neutrality
goals.
Angewandte Chemie International Edition,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
Abstract
The
development
of
advanced
catalysts
frequently
employs
trial‐and‐error
methods
and
is
lack
highly
controlled
synthesis,
resulting
in
unsatisfactory
efficiency
performance.
Here
we
propose
a
data‐driven
prediction
coupled
with
precise
synthesis
strategy
to
accelerate
the
single‐atom
(SACs)
for
efficient
water
purification.
approach
enables
rapid
screening
high‐performance
SACs
from
43
metals‐N
4
structures
comprising
transition
main
group
metal
elements,
followed
by
validation
structural
modulation
improved
performance
through
controllable
hard‐template
method.
Impressively,
well‐designed
Fe‐SAC
high
loading
Fe‐pyridine‐N
sites
(~3.83
wt
%)
mesoporous
structure,
exhibits
ultra‐high
decontamination
(rate
constant
100.97
min
−1
g
−2
),
representing
best
Fenton‐like
activities
sulfonamide
antibiotics
date.
Furthermore,
optimized
shows
excellent
robust
environmental
resistance
cyclic
stability
almost
100
%
degradation
100‐h
continuous
operation.
Density
functional
theory
calculations
reveal
that
can
reduce
energy
barrier
intermediate
O*
formation,
rate‐determining
step,
selective
generation
singlet
oxygen.
integration
method
provides
novel
paradigm
field
as
well
other
important
fields
including
sustainable
catalysis.
Nano Letters,
Год журнала:
2024,
Номер
24(23), С. 6939 - 6947
Опубликована: Май 30, 2024
The
risk
of
harmful
microorganisms
to
ecosystems
and
human
health
has
stimulated
exploration
singlet
oxygen
(1O2)-based
disinfection.
It
can
be
potentially
generated
via
an
electrocatalytic
process,
but
is
limited
by
the
low
production
yield
unclear
intermediate-mediated
mechanism.
Herein,
we
designed
a
two-site
catalyst
(Fe/Mo–N/C)
for
selective
1O2
generation.
Mo
sites
enhance
generation
precursors
(H2O2),
accompanied
intermediate
•HO2/•O2–.
Fe
site
facilitates
activation
H2O2
into
•OH,
which
accelerates
•HO2/•O2–
1O2.
A
possible
mechanism
promoting
through
ROS-mediated
chain
reaction
reported.
as-developed
electrochemical
disinfection
system
kill
1
×
107
CFU
mL–1
E.
coli
within
8
min,
leading
cell
membrane
damage
DNA
degradation.
effectively
applied
medical
wastewater.
This
work
provides
general
strategy
electrocatalysis
efficient
Dual-atom
catalysts
(DACs)
have
shown
significant
application
potential
in
Fenton-like
reactions.
However,
effectively
modulating
their
electronic
structure
and
fully
understanding
the
mechanisms
driving
high
catalytic
activity
remain
challenging.
Herein,
we
propose
a
coordination
anions
dimensionality
engineering
strategy
to
synthesize
biomass-derived
dual-atom
FeCo-N4O1C
catalysts,
which
Fe
Co
atoms
are
bridged
by
two-dimensional
planar
N
three-dimensional
(3D)
axial
O
atom.
Experimental
data
theoretical
calculations
reveal
that
3D
of
induces
spin
state
undergo
transition
from
low
an
intermediate
compared
with
single-atom
Fe-N4O1C,
resulting
moderate
adsorption
desorption
intermediates,
thus
reducing
energy
barriers
for
generating
more
singlet
oxygen
high-valent
cobalt-oxo
species
during
peroxymonosulfate
activation.
The
electron
transfer
neighboring
through
can
prevent
poisoning
active
species.
Benefiting
synergistic
effects
multiple
sites,
catalyst-dose
normalized
reaction
rate
constant
reaches
14.5
L
min-1
g-1
under
concentrations─an
improvement
1
∼
2
orders
magnitude
over
most
reported
catalysts.
practical
applicability
is
demonstrated
nearly
100%
pollutant
removal
7
days
continuous
operation
membrane
filtration
system.
This
study
provides
deep
insights
into
relationship
between
performance
spin-state
regulation
DACs,
introduces
promising
approach
large-scale
synthesis
low-cost,
highly
efficient
DACs
