Nanomaterials,
Journal Year:
2023,
Volume and Issue:
13(2), P. 305 - 305
Published: Jan. 11, 2023
In
this
work,
ZnIn2S4/g-C3N4
(ZIS/CN)
composites
were
synthesized
by
in-situ
growth
method,
which
showed
excellent
photocatalytic
activity
in
the
degradation
of
tetracycline
and
hydrogen
production
from
water
under
visible
light
irradiation.
ZnIn2S4
quantum
dots
(ZIS
QDs)
tightly
combined
with
sheet
g-C3N4
(CN)
to
accelerate
separation
transportation
photogenerated
charges
for
enhanced
activity.
Among
prepared
nanocomposites,
20%ZnIn2S4
QDs/g-C3N4
(20%ZIS/CN)
delivered
highest
After
120
min
irradiation,
rate
20%ZIS/CN
was
54.82%,
3.1
times
that
CN
while
75.2
μmol·g-1·h-1.
According
optical
electrochemical
characterization
analysis,
it
concluded
activities
composite
materials
mainly
due
following
three
points:
enhancement
absorption
capacity,
acceleration
charge
transport,
reduction
carrier
recombination
through
formation
S-scheme
heterojunction
system.
The
high
ZIS/CN
provides
a
new
idea
develop
highly
efficient
photocatalysts.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: Feb. 13, 2024
Abstract
Defect
engineering
is
an
emerging
technology
for
tailoring
nanomaterials'
characteristics
and
catalytic
performance
in
various
applications.
Recently,
defect‐engineered
nanoparticles
have
emerged
as
highly
researched
materials
applications
because
of
their
exceptional
redox
reaction
capabilities
physicochemical
optical
properties.
The
properties
nanomaterials
can
be
readily
adjusted
by
controlling
the
nature
concentration
defects
within
nanoparticles,
avoiding
need
intricate
design
strategies.
This
review
investigates
defect
nanocatalysts,
including
design,
fabrication,
Initially,
categories
strategies
nanomaterial
impacts
on
nanocatalysts'
electronic
surface
properties,
activity,
selectivity,
stability
are
summarized.
Then,
processes
uses,
gas
sensing,
hydrogen
(H
2
)
evolutions,
water
splitting,
reductions
carbon
dioxide
(CO
nitrogen
to
value‐aided
products,
pollutant
degradation,
biomedical
(oncotherapy,
antibacterial
wound
healing,
biomolecular
sensing)
discussed.
Finally,
limitations
prospective
paths
allowing
logical
optimization
nanocatalytic
long‐term
efficient
also
examined.
comprehensive
gives
unique
insights
into
current
state
nanocatalysts
inspires
future
research
exploiting
shortcomings
improve
customize
performance.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(9), P. 4352 - 4377
Published: Jan. 1, 2024
The
review
highlights
charge
transfer,
improved
photocatalytic
performance,
and
possible
photocatalysis
schemes
in
TiO
2
-based
composites.
It
also
addresses
perspectives
challenges
transfer
mechanisms
for
photocatalysis.
