Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 27, 2024
Abstract
Photocatalytic
CO
2
reduction
serves
as
an
important
technology
for
value‐added
solar
fuel
production,
however,
it
is
generally
limited
by
interfacial
charge
transport.
To
address
this
limitation,
a
two‐dimensional/two‐dimensional
(2D/2D)
p‐n
heterojunction
CuS‐Bi
WO
6
(CS‐BWO)
with
highly
connected
and
matched
lattices
was
designed
in
work
via
two‐step
hydrothermal
tandem
synthesis
strategy.
The
integration
of
CuS
BWO
created
robust
interface
electric
field
provided
fast
transfer
channels
due
to
the
function
difference,
well
lattices.
combination
promoted
electron
from
Cu
Bi
sites,
leading
coordination
sites
high
electronic
density
low
oxidation
state.
nanosheets
facilitated
adsorption
activation
,
generation
high‐coverage
key
intermediate
b‐CO
3
2−
while
(CS)
acted
broad
light‐harvesting
material
provide
abundant
photoinduced
electrons
that
were
injected
into
conduction
band
photoreduction
reaction.
Remarkably,
CS‐BWO
exhibited
average
CH
4
yields
33.9
16.4
μmol
g
−1
h
respectively,
which
significantly
higher
than
those
CS,
BWO,
physical
mixture
samples.
This
innovative
design
strategy
developing
high‐activity
photocatalyst
converting
fuels.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(31), P. 20740 - 20750
Published: July 23, 2024
High-entropy
materials
(HEMs)
have
garnered
extensive
attention
owing
to
their
diverse
and
captivating
physicochemical
properties.
Yet,
fine-tuning
morphological
properties
of
HEMs
remains
a
formidable
challenge,
constraining
potential
applications.
To
address
this,
we
present
rapid,
low-energy
consumption
diethylenetriamine
(DETA)-assisted
microwave
hydrothermal
method
for
synthesizing
series
two-dimensional
high-entropy
selenides
(HESes).
Subsequently,
the
obtained
HESes
are
harnessed
photocatalytic
water
splitting.
Noteworthy
is
optimized
HESes,
Cd
Chemistry of Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
The
interface
electronic
structure
of
heterogeneous
catalysts
can
be
modulated
by
changing
the
surface
coordination
configuration,
which
is
crucial
to
their
catalytic
activity.
Herein,
a
phosphorus-grafted
Ti3C2Tx
MXene
platform
anchored
with
an
MoS2
nanoflake
heterojunction
electrocatalyst
was
assembled
through
simple
phosphorus-hydrothermal
method.
An
charge
"bridge"
has
been
created
grafting
uniform
P
atoms
coordinated
O
(P-Ti3C2Tx),
resulting
in
charge-transfer
channel
between
P-Ti3C2Tx
and
MoS2.
Based
on
ultrafast
transient
absorption
spectroscopy,
fastest
electron-transfer
kinetics
from
(1.7
ps)
slowest
electron–hole
recombination
speed
(28
were
obtained
over
MoS2@P-Ti3C2Tx
than
those
MoS2@O-Ti3C2Tx
MoS2@OP-Ti3C2Tx.
Benefiting
lower
carrier
transport
activation
energy,
exhibited
stirring
electrocatalytic
activity
toward
hydrogen
evolution
all-pH
media,
delivered
three
low
overpotentials
48.6,
63.2,
70.5
mV
at
10
mA
cm–2
alkaline,
acid,
neutral
respectively.
Grafting
atomic
scale
create
proposes
new
strategy
design
efficient
pH-universal
electrocatalyst.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
We
discuss
the
unique
properties
of
zinc
indium
sulfide
associated
with
exploitation
multifarious
material
design
strategies
to
realise
sustainable
solar-driven
overall
water
splitting
for
green
hydrogen
production.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 27, 2024
Abstract
Photocatalytic
CO
2
reduction
serves
as
an
important
technology
for
value‐added
solar
fuel
production,
however,
it
is
generally
limited
by
interfacial
charge
transport.
To
address
this
limitation,
a
two‐dimensional/two‐dimensional
(2D/2D)
p‐n
heterojunction
CuS‐Bi
WO
6
(CS‐BWO)
with
highly
connected
and
matched
lattices
was
designed
in
work
via
two‐step
hydrothermal
tandem
synthesis
strategy.
The
integration
of
CuS
BWO
created
robust
interface
electric
field
provided
fast
transfer
channels
due
to
the
function
difference,
well
lattices.
combination
promoted
electron
from
Cu
Bi
sites,
leading
coordination
sites
high
electronic
density
low
oxidation
state.
nanosheets
facilitated
adsorption
activation
,
generation
high‐coverage
key
intermediate
b‐CO
3
2−
while
(CS)
acted
broad
light‐harvesting
material
provide
abundant
photoinduced
electrons
that
were
injected
into
conduction
band
photoreduction
reaction.
Remarkably,
CS‐BWO
exhibited
average
CH
4
yields
33.9
16.4
μmol
g
−1
h
respectively,
which
significantly
higher
than
those
CS,
BWO,
physical
mixture
samples.
This
innovative
design
strategy
developing
high‐activity
photocatalyst
converting
fuels.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(48)
Published: July 2, 2024
Abstract
Piezocatalysis
is
capable
of
harnessing
mechanical
energy
for
environmental
remediation,
which
regarded
as
a
green
and
promising
technology
to
be
exploited.
Piezoceramics
are
struggling
used
highly
efficient
piezocatalysts
due
their
grain
size
reaching
tens
micrometers
usually.
Herein,
feasible
straightforward
method
proposed
turn
piezoceramic
powders
into
by
integrating
optimization
oxygen
vacancy
modulation.
This
strategy
validated
treating
lead‐free
Sr
0.5
Ba
Nb
2
O
6
(SBN)
with
high‐energy
ball‐milling
(hBM).
The
rate
constant
k
value
46.95
×
10
−3
min
−1
rhodamine
B
(RhB)
piezocatalytic
degradation
SBN‐hBM‐12h
almost
18
times
higher
than
that
pristine
SBN.
Besides,
the
SBN‐hBM‐12
h
catalyst
performed
superior
antibacterial
properties
against
Escherichia
coli.
enhanced
efficiency
attributed
introduced
abundant
vacancies
absorbing
activating
reactive
species.
Well‐modulated
concentration
can
effectively
accelerate
generation
separation
free
carriers.
However,
excess
in
SBN
render
weakened
piezoresponse
thus
suppressing
activity.
study
elucidates
critical
role
piezocatalysis
provides
insights
development
piezocatalysts.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
Herein,
a
novel
bismuth
tungstate
and
cadmium
sulfide
(CdS/Bi
2
WO
6
）step‐scheme
(S‐scheme)
heterojunction
piezocatalyst
for
the
first
time
is
developed.
The
exceptional
piezocatalytic
nitrogen
reduction
reaction
activity
(1.37
mmol
L
−1
g
h
)
delivered,
which
significantly
higher
compared
to
pure
CdS
(0.06
bare
Bi
(0.45
),
showing
an
almost
23‐fold
3‐fold
increase,
respectively.
This
performance
greatly
exceeds
previously
reported
piezocatalysts
piezo‐photocatalysts.
Meanwhile,
this
catalyst
also
holds
outstanding
hydrogen
evolution
rate
of
1.02
.
Relevant
experimental
density
functional
theory
(DFT)
calculations
results
demonstrate
that
excellent
catalytic
capacity
CdS/Bi
mainly
ascribed
construction
S‐scheme
heterojunction,
promotes
piezoelectric
performance,
enhances
segregating
efficiency
charge
carriers
redox
capacity,
regulates
electronic
structure,
optimizes
dynamics
processes
reduces
reactions
barrier,
induces
more
active
sites.
Furthermore,
new
mechanism
proposed.
research
extends
applications
heterojunctions
in
sustainable
energy
piezocatalysis
offers
insights
designing
efficient
systems.
