Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
63(45), С. 19589 - 19599
Опубликована: Ноя. 1, 2024
Traditional
Type-I
heterojunctions,
the
combination
of
large-
and
narrow-bandgap
semiconductors,
possess
a
long
electron
transmission
path
an
electron–hole
confinement
region,
making
them
not
conducive
to
improving
catalytic
performance.
Hence,
few
studies
about
heterostructure
combined
with
large
narrow
bandgap
in
chemocatalysis
were
invested,
especially
terms
reaction
mechanism.
Herein,
(CdS)
(hexagonal
boron
nitride,
h-BN)
selected
as
research
objects
fabricate
h-BN/CdS
heterojunction
by
Joule
heating
ultrafast
procedure.
Density
functional
theory
(DFT)
calculations
performed
showed
that
heterojunctions
photogenerated
electrons
(e–)
transferred
from
h-BN
CdS,
while
holes
(h+)
moved
conversely,
which
is
completely
different
classical
heterojunctions.
Thus,
nonclassical
was
successfully
constructed,
proved
DFT
experimental
verification,
revealed
excellent
visible
light
response
photocatalytic
degradation
ability
tetracycline
(TC).
The
optimized
exhibited
high
rate
84.78%
under
irradiation.
Additionally,
applicability
expanded
photodegradation
water
environments.
A
materials
proposed,
opened
up
new
for
efficient
photocatalysis
antibiotic
wastewater
degradation.
Molecules,
Год журнала:
2024,
Номер
29(12), С. 2793 - 2793
Опубликована: Июнь 12, 2024
Hydrogen
generation
by
photocatalytic
water-splitting
holds
great
promise
for
addressing
the
serious
global
energy
and
environmental
crises,
has
recently
received
significant
attention
from
researchers.
In
this
work,
a
method
of
assembling
GeC/MXY
(M
=
Zr,
Hf;
X,
Y
S,
Se)
heterojunctions
(HJs)
combining
GeC
MXY
monolayers
(MLs)
to
construct
direct
Z-scheme
systems
is
proposed.
Based
on
first-principles
calculations,
we
found
that
all
HJs
are
stable
van
der
Waals
(vdW)
with
indirect
bandgaps.
These
possess
small
bandgaps
exhibit
strong
light-absorption
ability
across
wide
range.
Furthermore,
built-in
electric
field
(BIEF)
around
heterointerface
can
accelerate
photoinduced
carrier
separation.
More
interestingly,
suitable
band
edges
ensure
sufficient
kinetic
potential
spontaneously
accomplish
water
redox
reactions
under
light
irradiation.
Overall,
light-harvesting
ability,
range,
bandgaps,
large
heterointerfacial
BIEFs,
alignments,
migration
paths
render
highly
efficient
photocatalysts
overall
decomposition.
Vietnam Journal of Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 10, 2024
Abstract
In
recent
times,
there
has
been
a
growing
interest
among
materials
communities
in
functional
nanomaterials.
This
paper
aims
to
explore
the
fundamental
advancements
role
of
Cadmium
sulfide
(CdS)
photoelectrochemical
water
splitting,
CO
2
conversion,
photocatalytic
H
photovoltaic
devices,
and
gas
sensors.
Additionally,
we
provide
summary
key
points
propose
avenues
for
advancing
research
on
CdS‐based
composites.
Inorganics,
Год журнала:
2025,
Номер
13(1), С. 12 - 12
Опубликована: Янв. 4, 2025
Breast
cancer
is
a
common
clinical
malignant
tumor
that
seriously
threatens
women’s
physical
and
mental
health.
Chemotherapy,
as
the
first
choice
of
breast
treatment,
has
limited
its
application
in
clinic
due
to
problems
poor
stability,
short
half-life,
serious
toxic
side
effects.
With
emergence
nanotechnology,
inorganic
materials
prepare
mesoporous
silica
nanoparticles
(MSNs)
have
been
widely
used
anti-tumor
drug
carriers.
However,
their
slow
degradation
rate
limits
biomedical
field.
Therefore,
developing
low-toxicity
MSNs
with
good
biocompatibility,
biodegradability,
rapid
release
at
site
key
scientific
issue
be
addressed.
Here,
we
prepared
DOX-loaded
Ca-Mg-doped
by
electrostatic
adsorption
obtain
Ca-Mg@DOX@MSNs
suitable
particle
sizes
zeta
potential,
incorporation
calcium
magnesium
also
led
an
increase
under
acidic
conditions
accelerated
release,
which
reduced
toxicity
DOX
promoted
cellular
uptake
This
study
provides
new
idea
for
treatment
cancer.
Advances in Natural Sciences Nanoscience and Nanotechnology,
Год журнала:
2025,
Номер
16(2), С. 025007 - 025007
Опубликована: Апрель 10, 2025
Abstract
TiO
2
has
recently
attracted
significant
interest
due
to
its
intriguing
properties.
Despite
extensive
research,
some
aspects
of
performance,
particularly
surface
area,
have
been
scarcely
highlighted.
This
study
confirms
that
porous
nanoparticles
can
serve
as
excellent
adsorbents
for
methylene
blue
removal.
Porous
was
prepared
using
Ti
precursors
and
mesoporous
silica
templates.
The
analysis
results
revealed
the
nanoparticle
template
exhibited
a
large
area
(399
m
g
−1
)
band
gap
energy
approximately
3.2
eV.
morphology
crystalline
structures
were
analyzed
scanning
electron
microscopy,
Transmission
microscope,
BET,
zeta
x-ray
diffraction
techniques.
functional
groups
vibration
modes
investigated
through
Fourier
transform
infrared
Raman
measurements.
absorbed
more
than
99.9%
Methylene
(MB)
in
MB
aqueous
solution
within
120
min
potential
material
work
offers
practical
approach
utilizing
efficient
dye
