ChemBioEng Reviews,
Journal Year:
2024,
Volume and Issue:
11(3), P. 595 - 612
Published: April 18, 2024
Abstract
Zinc
oxide
(ZnO)
is
a
promising
material
with
diverse
range
of
applications,
spanning
gas
sensing,
photonics,
photovoltaics,
energy
conversion,
water
splitting,
photocatalysis,
and
transparent
trapping.
However,
ZnO
limited
responsiveness
to
visible
light
affected
low
photogenerated
electron‐hole
pairs
(charge),
quantum
efficiency,
high
recombination
charge.
In
this
review,
we
are
addressing
innovative
strategies,
including
incorporation
rare
earth
elements
as
trap
electron
reduce
charge
via
doping
from
analysis
118
referenced
sources.
We
found
that
hydrothermal
shows
very
good
methods
for
boosting
efficiency
up
100
%
within
60‐min.
rare‐earth
metals
La
Ce
show
highest
120
min
irradiations,
means
efficient
reducing
The
potential
doped
will
enhance
pairs,
catalyzing
the
generation
radical
atoms
oxidation
reduction
reactions.
This
review
encapsulates
most
current
findings,
it
serves
valuable
resource
scholars
seeking
advance
their
understanding
photocatalysts
developing
photocatalytic
technologies.
ACS Omega,
Journal Year:
2023,
Volume and Issue:
8(39), P. 36076 - 36087
Published: Sept. 22, 2023
ZnO
and
black
TiO2
have
been
selected
as
the
most
efficient
materials
for
organic
pollution
abatement
due
to
their
increased
efficiency
when
compared
other
materials.
However,
concept
of
green
chemistry
makes
it
desirable
design
synthesis
approaches
production.
In
this
study,
was
synthesized
using
an
environmentally
safe
synthetic
technique
with
glycerol
a
reductant.
prepared
by
ionic-liquid-based
microwave-assisted
extracts
Polygonum
minus.
To
investigate
materials'
potential
photodegrade
pollutants,
methylene
blue
(MB)
phenol
were
chosen
model
pollutants.
Both
found
exhibit
spherical
morphologies
mesoporous
structure
absorbers
visible
light.
exhibited
electron-hole
pair
recombination
lower
than
that
TiO2.
Black
discovered
be
anatase
phase,
whereas
hexagonal
wurtzite
structure.
contrast
TiO2,
which
had
surface
area
239.99
m2/g
particle
size
28
nm,
353.11
32
nm.
With
degradation
time
60
min,
able
eliminate
97.50%
40
mg/L
MB.
on
hand,
could
reduce
90.0%
same
amount
MB
in
min.
When
tested
degradation,
activities
reduced
nearly
15
25%,
respectively.
A
detailed
examination
both
revealed
has
more
versatility
pollutants
under
light
irradiation.
Molekul,
Journal Year:
2024,
Volume and Issue:
19(1), P. 46 - 46
Published: March 14, 2024
The
modification
of
TiO2
using
rare
earth
oxide
(La2O3)
to
increase
the
photodegradation
activity
under
visible
light
has
been
conducted.
goal
this
research
is
identify
influence
La2O3
on
photocatalytic
TiO2.
mixed
TiO2/La2O3
was
prepared
precipitation
method.
as-prepared
catalyst
then
calcined
at
923
K.
photocatalyst
characterized
SRUV,
XRD,
FTIR,
and
SEM-EDX.
results
showed
that
TiO2/La2O3-923
in
degradation
methylene
blue
higher
than
pristine
decrease
bandgap
energy
from
3.2
eV
3.01
not
main
factor
TiO2/La2O3-923.
optimum
condition
MB
obtained
when
ratio
5,
concentration
10
ppm,
reaction
time
300
min,
mass
0.25
g.
reusability
stable
up
3
sequent
runs
with
more
90%.
mechanistic
study
hydroxyl
radical
played
an
important
role
its
high
photocatalytic.
Keywords:
TiO2-La2O3,
photocatalyst,
light,
