Reactions,
Journal Year:
2025,
Volume and Issue:
6(2), P. 25 - 25
Published: April 8, 2025
This
review
analyzes
TiO2-based
coatings
formed
by
the
plasma
electrolytic
oxidation
(PEO)
process
of
titanium
for
photocatalytic
degradation
methyl
orange
(MO)
under
simulated
solar
irradiation
conditions.
PEO
is
recognized
as
a
useful
technique
creating
oxide
on
various
metals,
particularly
titanium,
to
assist
in
organic
pollutants.
photocatalysts
form
are
more
practical
than
powder
because
photocatalyst
does
not
need
be
recycled
and
reused
after
wastewater
treatment,
which
an
expensive
time-consuming
process.
In
addition,
main
advantage
synthesis
its
short
processing
time
(a
few
minutes),
it
excludes
annealing
step
needed
convert
amorphous
TiO2
into
crystalline
phase,
prerequisite
possible
application.
Pure
have
low
efficiency
MO,
due
rapid
recombination
photo-generated
electron/hole
pairs.
this
review,
recent
advances
sensitization
with
narrow
band
gap
semiconductors
(WO3,
SnO2,
CdS,
Sb2O3,
Bi2O3,
Al2TiO5),
doping
rare
earth
ions
(example
Eu3+)
transition
metals
(Mn,
Ni,
Co,
Fe)
summarized
effective
strategy
reduce
pairs
improve
coatings.
