Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Окт. 30, 2024
The
development
of
photocatalysts
must
be
meticulous,
especially
when
they
are
designed
to
degrade
hazardous
dyes
that
cause
mutagenesis
and
carcinogenesis.
In
this
meticulous
approach,
Ni-based
metal-organic
frameworks
with
different
ligands,
including
terephthalic
acid
(NTP),
2-aminoterephthalic
(NATP),
their
composite
g-C
National Science Review,
Год журнала:
2024,
Номер
11(5)
Опубликована: Март 8, 2024
ABSTRACT
Photocatalytic
N2
fixation
is
a
promising
strategy
for
ammonia
(NH3)
synthesis;
however,
it
suffers
from
relatively
low
yield
due
to
the
difficulty
in
design
of
photocatalysts
with
both
high
charge
transfer
efficiency
and
desirable
adsorption/activation
capability.
Herein,
an
S-scheme
CoSx/ZnS
heterojunction
dual
active
sites
designed
as
efficient
photocatalyst.
The
exhibits
unique
pocket-like
nanostructure
small
ZnS
nanocrystals
adhered
on
single-hole
CoSx
hollow
dodecahedron.
Within
heterojunction,
electronic
interaction
between
creates
electron-deficient
Zn
enhanced
chemisorption
electron-sufficient
Co
hydrogen
supply
hydrogenation,
cooperatively
reducing
energy
barrier
activation.
In
combination
promoted
photogenerated
electron-hole
separation
facilitated
mass
by
nanostructure,
excellent
performance
NH3
1175.37
μmol
g−1
h−1
achieved.
This
study
provides
new
insights
into
fixation.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 13, 2024
Abstract
The
rational
design
of
a
photocatalyst
and
its
microenvironmental
modulation
is
crucial
in
the
heterogeneous
photocatalysis
process,
yet
relevant
research
on
photocatalytic
biodiesel
synthesis
not
explored.
Herein,
based
prediction
density
functional
theory
(DFT)
calculations,
highly
efficient
ternary
biocompatible
montmorillonite
(Mt)
nanocomposites
S‐scheme
heterojunction
photocatalysts
(g‐C
3
N
4
‐TiO
2
@Mt,
CTM)
are
successfully
rationally
designed.
By
modulating
microenvironment
production,
CTM‐2
demonstrates
exceptional
catalytic
performance
stability,
achieving
record‐breaking
yield
98.5%.
Through
ex/in
situ
X‐ray
photoelectron
spectroscopy
(XPS),
absorption
near‐edge
(XANES),
theoretical
formation
revealed,
which
can
generate
an
interface
electric
field
(IEF)
that
provides
intrinsic
driving
force
for
carrier
migration
enhances
surface
positivity.
This
boosts
enrichment
effect
electronegative
oleic
acid
(OA)
carboxyl
molecules,
thus
greatly
enriching
substrate
concentration
improving
reaction
microenvironment.
Moreover,
fourier
transform
infrared
spectrometer
(FT‐IR)/Raman
together
with
electron
paramagnetic
resonance
(EPR)
further
confirm
key
intermediates
CH
O•
ester
carbonyl
(C═O),
DFT
calculations
provide
reference
pathway,
determined
to
be
capable
significantly
reducing
energy
barrier
rate‐determining
step.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 26, 2025
The
ongoing
challenge
of
water
pollution
necessitates
innovative
approaches
to
remove
organic
contaminants
from
wastewater.
In
this
work,
new
two-dimensional
S-scheme
heterojunction
photocatalysts
Bi2O3/CdS
and
MoS2/Bi2O3/CdS
that
are
intended
for
the
effective
photocatalytic
destruction
4-nitrophenol,
a
dangerous
pollutant,
synthesized
characterized.
Utilizing
solvothermal
method,
successfully
generated
these
ternary
nanocomposites,
which
were
characterized
through
various
techniques
including
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
photoelectron
spectroscopy
(XPS),
high
resolution
transmission
electronmicroscopy
(HRTEM),
Brunauer-Emmett-Telle
(BET)
diffuse
reflectance
(DRS).
Our
results
demonstrated
achieved
an
86%
degradation
rate
while
composite
exhibited
exceptional
performance,
achieving
nearly
complete
(99%)
within
120
min
under
visible
light
irradiation.
Most
importantly
improved
activity
originated
release
internal
electric
field
in
heterojunction.
This
enhanced
is
attributable
synergistic
effects
heterojunctions
facilitate
more
charge
separation
generation
with
OP
RP
confirmed
synthesis
using
S-scheme.
further
by
XPS,
DRS,
XPS-VB
photocurrent
response.
These
findings
highlight
promising
application
advanced
real-world
wastewater
treatment
processes,
offering
sustainable
solution
combat
pollution.
Abstract
The
development
of
matrices
has
shown
great
potential
for
fluid
metabolic
analysis
in
disease
detection.
However,
single‐fluid
metabolomic
been
recognized
as
insufficient
to
fully
capture
the
complexities
diseases
such
liver
disease,
which
limits
detection
accuracy.
To
this
end,
hollow
dodecahedral
nanocages‐based
analytical
tool
is
developed,
featuring
four‐high
characteristics
speed,
throughput,
efficiency,
and
patient
compliance,
enhance
extraction
multifluid
profiles.
cross‐referencing
these
profiles
among
different
diseases,
including
hepatocellular
carcinoma
(HCC),
chronic
(CLD),
healthy
controls,
enhances
diagnosis
particularly
achieving
near‐perfect
discrimination
HCC
with
an
AUC
value
0.990,
significantly
outperforming
any
single
analysis.
Additionally,
dynamic
changes
expression
levels
key
biomarkers
throughout
progression
are
explored,
providing
insights
into
their
temporal
evolution,
highlighting
role
monitoring
status.
This
work
highlights
that
can
comprehensively
sensitively
reflect
status,
enabling
precise
identification
complex
facilitating
personalized
treatment.