Molecules,
Journal Year:
2024,
Volume and Issue:
29(11), P. 2708 - 2708
Published: June 6, 2024
In
this
study,
carbon-quantum-dot
(CQD)-decorated
TiO2
was
prepared
using
an
ultrasonic
doping
method
and
applied
in
the
photocatalytic
degradation
of
naphthalene
under
sunlight
irradiation.
The
CQDs
were
synthesized
from
a
typical
macroalgae
via
diluted
sulfuric
acid
pretreatment
hydrothermal
synthesis
optimal
design,
i.e.,
3
wt%
200
°C,
respectively.
CQD/TiO2
composite
remarkably
enhanced
activity.
visible
light
environment
indicated
that
there
is
synergistic
mechanism
between
TiO2,
which
generation
reactive
oxygen
species
significantly
triggered;
addition,
N
originated
accelerated
efficiency.
Kinetic
analysis
showed
behavior
followed
pseudo-first-order
equation.
Consequently,
our
combined
experimental
approach
not
only
provides
facile
process
for
bio-CQDs
synthesis,
but
also
delivers
suitable
photocatalyst
along
with
critical
insights
into
development
harmful
resources.
Gels,
Journal Year:
2023,
Volume and Issue:
9(12), P. 976 - 976
Published: Dec. 13, 2023
This
review
provides
a
detailed
exploration
of
titanium
dioxide
(TiO2)
photocatalysts,
emphasizing
structural
phases,
heterophase
junctions,
and
their
impact
on
efficiency.
Key
points
include
diverse
synthesis
methods,
with
focus
the
sol-gel
route
variants
like
low-temperature
hydrothermal
(LTHT).
The
delves
into
influence
acid-base
donors
gelation,
dissects
crucial
drying
techniques
for
TiO2
aerogel
or
xerogel
catalysts,
meticulously
examines
mechanisms
underlying
photocatalytic
activity.
It
highlights
role
physicochemical
properties
in
charge
diffusion,
carrier
recombination,
scavengers
photo-oxidation/reduction.
Additionally,
doping
heterostructures
potential
enhancing
efficiency
are
briefly
discussed,
all
within
context
environmental
applications.
Materials,
Journal Year:
2024,
Volume and Issue:
17(9), P. 2119 - 2119
Published: April 30, 2024
Photocatalysis
is
a
fascinating
process
in
which
photocatalyst
plays
pivotal
role
driving
chemical
reaction
when
exposed
to
light.
Its
capacity
harness
light
energy
triggers
cascade
of
reactions
that
lead
the
formation
intermediate
compounds,
culminating
desired
final
product(s).
The
essence
this
interaction
between
photocatalyst’s
excited
state
and
its
specific
interactions
with
reactants,
resulting
creation
intermediates.
process’s
appeal
further
enhanced
by
cyclic
nature—the
rejuvenated
after
each
cycle,
ensuring
ongoing
sustainable
catalytic
action.
Nevertheless,
comprehending
photocatalytic
through
modeling
photoactive
materials
molecular
devices
demands
advanced
computational
techniques
founded
on
effective
quantum
chemistry
methods,
multiscale
modeling,
machine
learning.
This
review
analyzes
contemporary
theoretical
spanning
range
lengths
accuracy
scales,
assesses
strengths
limitations
these
methods.
It
also
explores
future
challenges
complex
nano-photocatalysts,
underscoring
necessity
integrating
various
methods
hierarchically
optimize
resource
distribution
across
different
scales.
Additionally,
discussion
includes
chemistry,
crucial
element
understanding
photocatalysis.
Materials,
Journal Year:
2024,
Volume and Issue:
17(10), P. 2367 - 2367
Published: May 15, 2024
This
research
successfully
synthesized
SnO2@ZnIn2S4
composites
for
photocatalytic
tap
water
splitting
using
a
rapid
two-step
microwave-assisted
synthesis
method.
study
investigated
the
impact
of
incorporating
fixed
quantity
SnO2
nanoparticles
and
combining
them
with
various
materials
to
form
composites,
aiming
enhance
hydrogen
production.
Additionally,
different
weights
were
added
ZnIn2S4
reaction
precursor
prepare
Notably,
efficiency
is
substantially
higher
than
that
pure
nanosheets:
17.9-fold
6.3-fold,
respectively.
The
enhancement
credited
successful
use
visible
light
facilitation
electron
transfer
across
heterojunction,
leading
efficient
dissociation
electron-hole
pairs.
evaluations
recyclability
demonstrated
remarkable
longevity
maintaining
high
levels
production
over
eight
cycles
without
significant
loss,
indicating
their
impressive
durability.
investigation
presents
promising
strategy
crafting
producing
environmentally
sustainable
prospective
implementations
in
generation.
