The
scalable
artificial
photosynthesis
composed
of
photovoltaic
electrolysis
and
photothermal
catalysis
is
limited
by
inefficient
CO
2
hydrogenation
under
weak
sunlight
irradiation.
Herein,
NiO
nanosheets
supported
with
Ag
single
atoms
[two-dimensional
(2D)
Ni
1
0.02
O
]
are
synthesized
for
to
achieve
1065
mmol
g
−1
hour
production
rate
1-sun
This
performance
attributed
the
coupling
effect
Ag-O-Ni
sites
enhance
weaken
adsorption,
resulting
in
1434
yield
at
300°C.
Furthermore,
we
integrate
2D
-supported
reverse
water-gas
shift
reaction
commercial
electrolytic
water
splitting
construct
a
103-m
scale
system
(CO
+
H
→
),
which
achieves
more
than
22
m
3
/day
green
syngas
an
adjustable
/CO
ratio
(0.4-3)
photochemical
energy
conversion
efficiency
>17%.
research
charts
promising
course
designing
practical,
natural
sunlight–driven
systems.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Янв. 13, 2024
Abstract
Tuning
CO
2
hydrogenation
product
distribution
to
obtain
high-selectivity
target
products
is
of
great
significance.
However,
due
the
imprecise
regulation
chain
propagation
and
reactions,
oriented
synthesis
a
single
challenging.
Herein,
we
report
an
approach
controlling
multiple
sites
with
graphene
fence
engineering
that
enables
direct
conversion
/H
mixtures
into
different
types
hydrocarbons.
Fe-Co
active
on
surface
present
50.1%
light
olefin
selectivity,
while
spatial
nanoparticles
separated
by
fences
achieve
liquefied
petroleum
gas
43.6%.
With
assistance
fences,
iron
carbides
metallic
cobalt
can
efficiently
regulate
C-C
coupling
secondary
reactions
product-selective
switching
between
olefins
gas.
Furthermore,
it
also
creates
precedent
for
via
Fischer-Tropsch
pathway
highest
space-time
yields
compared
other
reported
composite
catalysts.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(11), С. 7752 - 7762
Опубликована: Март 6, 2024
Electrochemical
nitrogen
reduction
reaction
(eNRR)
offers
a
sustainable
route
for
ammonia
synthesis;
however,
current
electrocatalysts
are
limited
in
achieving
optimal
performance
within
narrow
potential
windows.
Herein,
inspired
by
the
heliotropism
of
sunflowers,
we
present
biomimetic
design
Ru-VOH
electrocatalyst,
featuring
dynamic
Ru–O–V
pyramid
electron
bridge
eNRR
wide
range.
In
situ
spectroscopy
and
theoretical
investigations
unravel
fact
that
electrons
donated
from
Ru
to
V
at
lower
overpotentials
retrieved
higher
overpotentials,
maintaining
delicate
balance
between
N2
activation
proton
hydrogenation.
Moreover,
adsorption
were
found
be
enhanced
moiety.
The
catalyst
showcases
an
outstanding
Faradaic
efficiency
51.48%
−0.2
(vs
RHE)
with
NH3
yield
rate
exceeding
115
μg
h–1
mg–1
across
range
−0.4
RHE),
along
impressive
durability
over
100
cycles.
This
M–O–V
is
also
applicable
other
metals
(M
=
Pt,
Rh,
Pd).
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 9, 2024
Abstract
People
have
been
looking
for
an
energy‐efficient
and
sustainable
method
to
produce
future
chemicals
decades.
Heterogeneous
single‐atom
catalysts
(SACs)
with
atomic
dispersion
of
robust,
well‐characterized
active
centers
are
highly
desirable.
In
particular,
correlated
SACs
cooperative
interaction
between
adjacent
single
atoms
allow
the
switching
single‐site
pathway
dual
or
multisite
pathway,
thus
promoting
bimolecular
more
complex
reactions
synthesis
fine
chemicals.
Herein,
structural
uniqueness
SACs,
including
intermetal
distance
electronic
in
homo/heteronuclear
metal
sites
is
featured.
Recent
advances
production
methods
showcasing
research
status
challenges
traditional
(such
as
pyrolysis,
wet
impregnation,
confined
synthesis)
building
a
comprehensive
multimetallic
SAC
library,
summarized.
Emerging
strategies
such
process
automation
continuous‐flow
highlighted,
minimizing
inconsistency
laboratory
batch
allowing
high
throughput
screening
upscaling
toward
next‐stage
chemical
by
SACs.
Advanced Materials,
Год журнала:
2024,
Номер
36(30)
Опубликована: Май 14, 2024
Abstract
Atom‐site
catalysts,
especially
for
graphitic
carbon
nitride‐based
represents
one
of
the
most
promising
candidates
in
catalysis
membrane
water
decontamination.
However,
unravelling
intricate
relationships
between
synthesis‐structure–properties
remains
a
great
challenge.
This
study
addresses
impacts
coordination
environment
and
structure
units
metal
central
sites
based
on
Mantel
test,
correlation
analysis,
evolution
sites.
An
optimized
unconventional
oxygen
doping
cooperated
with
Co‐N‐Fe
dual‐sites
(OCN
Co/Fe)
exhibits
synergistic
mechanism
efficient
peroxymonosulfate
activation,
which
benefits
from
significant
increase
charge
density
at
active
regulation
natural
population
orbitals,
leading
to
selective
generation
SO
4
•−
.
Building
upon
these
findings,
OCN‐Co/Fe/PVDF
composite
demonstrates
33
min
−1
ciprofloxacin
(CIP)
rejection
efficiency
maintains
over
96%
CIP
removal
(over
24
h)
an
average
permeance
130.95
L
m
−2
h
work
offers
fundamental
guide
elucidating
definitive
origin
catalytic
performance
advance
oxidation
process
facilitate
rational
design
separation
improved
enhanced
stability.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 7, 2025
Environmental
pollution
and
sewage
surges
necessitate
effective
water
purification
methods.
Solar
interfacial
evaporation
offers
a
promising
solution,
which
needs
advancements
in
salt
resistance,
efficiency,
stability.
Herein,
inspired
by
the
structure
of
wood,
unidirectional
freeze-drying
method
was
used
to
develop
vertically
aligned
channels
antioil-fouling
poly(vinyl
alcohol)-CNTs-waste
carton
fiber@polydopamine
(PVA-CNTs-WCF@PDA)
aerogel
for
desalination
wastewater
treatment.
The
anisotropic
three-dimensional
porous
enables
it
rapidly
transport
interface
resist
deposition.
Meanwhile,
its
unique
is
combined
with
CNTs
PDAs
excellent
broadband
spectral
absorption
capacity
because
composite
aerogels
can
interact
molecules
reduce
their
vaporization
enthalpy.
shows
an
photothermal
rate
(2.626
kg
m-2
h-1)
efficiency
(94.24%)
under
one-sun
irradiation.
Additionally,
evaporator
conduct
10
consecutive
evaporations
3.5%
brine,
indicating
that
has
ability
desalination.
Finally,
also
purify
oil-in-water
emulsion
mine
wastewater.
It
be
seen
there
are
no
obvious
oil
droplets
treated
treatment
effect
reaches
89.13%.
showed
application
prospects
field
purification.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
63(2)
Опубликована: Дек. 8, 2023
Abstract
Zn‐based
catalysts
hold
great
potential
to
replace
the
noble
metal‐based
ones
for
CO
2
reduction
reaction
(CO
RR).
Undercoordinated
Zn
(Zn
δ+
)
sites
may
serve
as
active
enhanced
production
by
optimizing
binding
energy
of
*COOH
intermediates.
However,
there
is
relatively
less
exploration
into
dynamic
evolution
and
stability
during
process.
Herein,
we
present
ZnO,
/ZnO
varying
applied
potential.
Theoretical
studies
reveal
that
could
suppress
HER
HCOOH
induce
generation.
And
presents
highest
selectivity
(FE
70.9
%
at
−1.48
V
vs.
RHE)
compared
ZnO.
Furthermore,
propose
a
CeO
nanotube
with
confinement
effect
Ce
3+
/Ce
4+
redox
stabilize
species.
The
hollow
core–shell
structure
/ZnO/CeO
catalyst
enables
extremely
expose
electrochemically
area
while
maintaining
long‐time
stability.
Certainly,
target
affords
FE
76.9
−1.08
RHE
no
significant
decay
in
excess
18
h.
