Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
320, P. 100656 - 100656
Published: July 30, 2024
A
single-atom
catalyst
is
a
supported
material
in
which
the
active
phase
presented
as
isolated
atoms.
Single
atom
photocatalytic
degradation
of
micropollutants
has
garnered
significant
attention
recent
research.
However,
updated
their
performance
still
limited.
This
review
paper
presents
key
aspects
related
to
use
SACs
micropollutant
degradation:
The
influencing
factors
like
structure,
surface
area,
density,
relative
humidity,
temperature
airflow,
light
intensity
and
reactants
concentrations
are
also
discussed.
Further
synthesis
methods
including
atomic
deposition,
ball
milling,
trapping,
pyrolysis,
two
steps
doping,
wet
impregnation,
facile
electrostatic
adoption
updated.
Characterization
techniques
STEM,
TEM,
FTIR,
XAS,
XRD,
XPS,
DFT
evaluated
relation
quality
with
an
emphasis
on
performances
destruction
well
applications.
catalysts
endowed
uniform,
definite
metal
centers
tunable
matching
options,
give
them
excellent
vigor
special
selectivity
for
defined
In
addition,
mechanism
harvesting,
charge
transfer
separation,
applications
single
micropollutants,
photocatalysts
support
combinations
other
materials
technologies
challenges
stability
recyclability,
loading,
nature
carrier,
structure
future
perspective
Finally
highlighted
conclusion
remarks
keynote
areas.
Materials,
Journal Year:
2024,
Volume and Issue:
17(2), P. 296 - 296
Published: Jan. 7, 2024
The
growing
worldwide
problem
of
wastewater
management
needs
sustainable
methods
for
conserving
water
supplies
while
addressing
environmental
and
economic
considerations.
With
the
depletion
freshwater
supplies,
treatment
has
become
critical.
An
effective
solution
is
needed
to
efficiently
treat
organic
contaminants
departing
from
plants
(WWTPs).
Photocatalysis
appears
be
a
viable
method
eliminating
these
recalcitrant
micropollutants.
This
study
focused
on
degradation
Reactive
Black
5
(RB5),
typical
contaminant
textile
waste,
using
photocatalytic
method.
Titanium
dioxide
(TiO2)
was
deposited
novel
luminous
fabric
illuminated
light-emitting
diode
(LED).
pollutant
degrading
efficiency
evaluated
two
different
light
sources:
(i)
UV
lamp
as
an
external
source
(ii)
cold
LED.
Interestingly,
LED
design
showed
more
promising
results
after
thorough
testing
at
various
levels.
In
fact,
we
note
50%
increase
in
mineralization
rate
when
triple
number
tissues
same
volume
reactor,
which
clear
improvement
with
compactness.
Solids,
Journal Year:
2025,
Volume and Issue:
6(2), P. 23 - 23
Published: May 12, 2025
The
search
for
effective
and
reliable
methods
of
photosensitization
oxide-based
semiconductor
materials
is
great
significance
their
use
in
photocatalytic
reactions
hydrogen
production
environmental
remediation
under
natural
sunlight.
present
study
focused
on
partial
substitution
titanium
with
manganese
the
structure
layered
perovskite-like
titanate
Na2La2Ti3O10,
which
was
employed
to
yield
a
series
photocatalytically
active
materials,
Na2La2MnxTi3−xO10
(x
=
0.002–1.0),
as
well
protonated
forms
H2La2MnxTi3−xO10
nanosheets.
It
established
that
cations
Mn4+
are
embedded
middle
sublayer
oxygen
octahedra
perovskite
slabs
La2MnxTi3−xO102−
maximum
achievable
content
x
products
≈0.9.
cationic
sublattice
led
pronounced
contraction
optical
band
gap
from
3.20
1.35
eV
(depending
x)
and,
therefore,
allowed
corresponding
photocatalysts
utilize
not
only
ultraviolet,
but
also
visible
near-infrared
light
wavelengths
up
≈920
nm.
obtained
were
tested
evolution
aqueous
methanol,
greatest
activity
this
reaction
demonstrated
by
samples
low
contents
0.002–0.01).
However,
greater
degrees
may
be
high
interest
other
processes
especially,
thermophotocatalysis
due
improved
ability
absorb
part
solar
radiation.