Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 2, 2024
Abstract
The
objective
of
the
study
was
to
synthesize
a
novel
photocatalyst,
referred
as
molecularly
imprinted
Nd-TiO
2
(MIP-Nd-TiO
),
through
sol-gel
method.
It
rapidly
identifies
and
breaks
down
oxytetracycline
hydrochloride
(OTC).
By
manipulating
doping
ratio
Nd,
incorporating
molecules,
regulating
calcination
conditions,
molar
Ti
Nd
optimized
100:1.25,
mass
added
OTC
maintained
at
0.15
g,
MIP-Nd-TiO
synthesized
by
calcining
it
for
h
500
had
best
degradation
performance.
Furthermore,
impact
these
variables
on
photocatalytic
efficiency
catalysts
thoroughly
investigated
varying
concentrations
pollutants
pH.
materials
underwent
evaluation
employing
precise
characterization
techniques,
including,
XPS,
BET,
FT-IR
among
others.
findings
from
experiments
revealed
that
rates
,
TiO
consisted
91.97%,
76.47%,
64.34%,
correspondingly,
after
dark
adsorption
equilibrium
followed
irradiation
with
365
nm
UV
light
30
min.
Specifically,
in
just
40
minutes,
MIP-Nd-
adsorption-photocatalytic
synergy
capable
achieving
93.14%
rate
OTC.
Moreover,
an
investigation
conducted
into
selectivity
.
To
conclude,
this
has
illustrated
viability
photocatalysis
molecular
imprinting
tandem,
which
can
be
extremely
efficient
technique
treating
wastewater.
Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
53(5)
Published: May 1, 2024
Abstract
Adsorption
is
crucial
for
the
performance
of
photocatalysts
in
degrading
new
pollutants.
Here,
we
report
a
magnetic
molecularly
imprinted
material
Fe3O4@SiO2@TiO2@MIPs
with
semiconductor/insulator/semiconductor
structure,
which
achieved
up
to
81%
preferential
degradation
berberine
hydrochloride
(BH).
The
significant
enhancement
catalytic
can
be
attributed
interaction
between
BH
and
cavity,
as
well
size
matching,
proposes
solutions
address
current
problem
difficult
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(32), P. 16972 - 16980
Published: July 30, 2024
Based
on
the
heterogeneous
composite
design
of
C3N4
and
TiO2,
photocatalysts
C3N4@TiO2
(with
varied
molar
ratios
to
TiO2)
were
synthesized
by
a
water
bath
method
degrade
RhB
in
wastewater.
The
composition,
morphology,
structure,
photocatalytic
properties
materials
assessed
through
variety
characterization
techniques.
results
show
that
TiO2
nanoparticles
are
uniformly
coated
two-dimensional
g-C3N4
nanosheets,
forming
relatively
dense
heterostructures
within
composite.
Due
synergistic
effect
derived
from
component
appropriate
proportion
light
absorption
range
is
extended,
separation/transport
performance
photon-generated
carrier
improved.
As
result,
TCNT-3
(where
ratio
1:1)
presents
remarkable
performance,
degradation
rate
which
for
60
min
99.8%,
reaction
constant
calculated
be
0.0872
min–1.
Moreover,
efficiency
remains
94.4%
after
5
cycles,
indicating
superior
cycle
stability.
