ACS Nano,
Год журнала:
2024,
Номер
18(43), С. 29913 - 29929
Опубликована: Окт. 15, 2024
Immunotherapy
holds
significant
promise
for
cancer
treatment.
However,
the
highly
immunosuppressive
nature
of
solid
tumors
limits
its
effectiveness.
Herein,
we
developed
bioactive
zinc–nickel
hydroxide
(ZnNi(OH)4)
nanosheets
(NSs)
that
can
effectively
initiate
paraptosis–pyroptosis
positive
feedback
cycle
through
synergistic
ionic
effect,
thereby
mitigating
immunosuppression
and
enhancing
efficacy
immunotherapy.
The
acid-sensitive
ZnNi(OH)4
NSs
releases
Ni2+
Zn2+
in
weakly
acidic
tumor
microenvironment.
released
alleviated
pyroptosis
inhibition
by
inducing
paraptosis
inhibiting
autophagic
flux.
Concurrently,
triggered
release
endogenous
within
cell
a
coordination
competition
mechanism,
further
amplifying
zinc
overload-mediated
pyroptosis.
Interestingly,
pyroptosis-associated
oxidative
stress
endoplasmic
reticulum
promote
Ni2+-mediated
paraptosis,
forming
loop
between
paraptosis.
This
process
not
only
kills
cells
but
also
stimulates
strong
inflammatory
response,
antitumor
immune
response
immunotherapy
efficacy.
Overall,
this
study
proposes
an
effective
induction
strategy
based
on
metal
ions
demonstrates
effectiveness
potentiating
The Journal of Physical Chemistry Letters,
Год журнала:
2024,
Номер
15(9), С. 2476 - 2484
Опубликована: Фев. 26, 2024
The
organic–inorganic
hybrid
heterojunction
is
introduced
for
the
first
time
to
break
through
performance
bottleneck
of
BiVO4-based
photodetectors.
Through
a
facile
solution
process,
p-n
established
at
BiVO4/PEDOT:PSS
interface,
and
built-in
electric
field
designed
separate
photogenerated
charge
carriers.
outputs
significantly
increased
photocurrent,
which
24
000
times
larger
than
that
bare
BiVO4
thin
film.
photodetector
shows
satisfactory
with
responsivity
(R)
specific
detectivity
(D*)
107.8
mA/W
4.13
×
1010
Jones
482
nm
illumination.
In
addition
fast
response
speed
(100
ms),
device
also
exhibits
an
impressive
long-term
stability
negligible
attenuation
in
photocurrent
after
more
700
cycles.
This
work
provides
novel
strategy
suppress
carrier
recombination
BiVO4,
coupling
metal
oxides
organic
semiconductors
opens
up
new
avenue
fabricating
high-performance
Abstract
Single‐atom
catalysts
(SACs)
have
rapidly
become
a
hot
topic
in
photocatalytic
research
due
to
their
unique
physical
and
chemical
properties,
high
activity,
selectivity.
Among
many
semiconductor
carriers,
the
special
structure
of
carbon
nitride
(C
3
N
4
)
perfectly
meets
substrate
requirements
for
stabilizing
SACs;
they
can
also
compensate
defects
C
materials
by
modifying
energy
bands
electronic
structures.
Therefore,
developing
advanced
‐based
SACs
is
great
significance.
In
this
review,
we
focus
on
elucidating
efficient
preparation
strategies
burgeoning
applications
SACs.
We
outline
prospective
enhancing
performance
future.
A
comprehensive
array
methodologies
presented
identifying
characterizing
This
includes
an
exploration
potential
atomic
catalytic
mechanisms
through
simulation
regulation
behaviors
synergistic
effects
single
or
multiple
sites.
Subsequently,
forward‐looking
perspective
adopted
contemplate
future
prospects
challenges
associated
with
encompasses
considerations,
such
as
loading,
regulatory
design,
integration
machine
learning
techniques.
It
anticipated
that
review
will
stimulate
novel
insights
into
synthesis
high‐load
durable
SACs,
thereby
providing
theoretical
groundwork
scalable
controllable
field.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(25), С. 11745 - 11756
Опубликована: Июнь 12, 2024
Piezo-photocatalytic
efficiency
is
severely
constrained
by
the
wide
band
gap
and
bad
piezoelectric
properties.
Herein,
La(Mn0.5Ni0.5)O3
was
successfully
introduced
into
NaNbO3
lattices
(referred
to
as
0LMN,
0.05LMN,
0.10LMN,
0.15LMN)
through
a
water-based
sol–gel
method.
The
piezo-photocatalytic
degradation
ratio
for
Rhodamine
B
(RhB)
enhanced
from
59.7%
(0LMN)
89.7%
(0.10LMN)
within
100
min,
kinetic
rate
constant
(k)
increased
0.009
0.022
min–1.
performance
attributed
(i)
narrowed
(from
3.40
2.84
eV),
which
conducive
generation
of
photogenerated
electrons
holes,
(ii)
properties,
can
strengthen
polarization,
thereby
accelerating
separation
holes.
And
we
also
found
that
synergetic
effect
photocatalysis
piezocatalysis
superior
alone.
This
study
could
provide
new
perspectives
reasonable
construction
an
efficient
catalyst
in
field.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(17), С. 20849 - 20857
Опубликована: Сен. 3, 2024
Combining
hydrogen
evolution
with
the
conversion
of
benzyl
alcohol
(BA)
into
benzaldehyde
(BAD)
could
provide
an
alternative
pathway
for
sufficiently
utilizing
photogenerated
electrons
and
holes
to
achieve
high
value
chemicals
fuels.
Herein,
a
ZnIn2S4
nanosheet
array/one-dimensional
Co9S8
hollow
nanotube
(Co9S8/ZnIn2S4)
composite
has
been
fabricated
by
simple
hydrothermal
solvent
thermal
methods.
Without
utilization
sacrificial
agents,
optimal
20%-Co9S8/ZnIn2S4
hybrid
catalyst
shows
superior
H2
production
3070.56
μmol·g–1·h–1
rate
93.2%,
which
are
4.1
2.9
times
higher
than
those
individual
ZnIn2S4,
respectively.
The
photocatalytic
performance
over
Co9S8/ZnIn2S4
nanocomposites
compared
bare
can
be
credited
introduction
nanotubes
as
cocatalyst,
offer
plentiful
active
sites,
improve
absorption
visible
light,
facilitate
separation
transfer
electron–hole
pairs
ZnIn2S4.
Multiple
cycling
experiments
indicate
good
durability
nanocomposite.
In
addition,
in
situ
electron
paramagnetic
resonance
indicates
that
α-hydroxybenzyl
radicals
key
intermediate
BA
BAD.
This
paper
is
intended
meaningful
reference
ingenious
design
photocatalyst
structure
building
high-performance
coupled
system
sufficient
holes.
