Physica Scripta,
Journal Year:
2024,
Volume and Issue:
99(8), P. 085915 - 085915
Published: July 4, 2024
Abstract
In
this
work,
Niobium-doped
(1%,
3%,
and
5%)
titanium
dioxide
(Nb-TiO
2
)
nanosheets
were
successfully
formed
via
the
hydrothermal
route
further
characterized
using
TEM,
XRD,
XPS
UV–vis
absorption
spectroscopy
techniques.
Phase
purity
structural
information
of
prepared
materials
analysed
by
XRD
measurements.
The
band
gap
values
ranged
from
3.27
to
2.98
eV
as
Nb
doping
increased,
leading
improved
photocatalytic
activity
creating
new
energy
levels
close
conduction
band.
results
confirm
amalgamation
5+
ions
into
TiO
without
affecting
crystallinity,
structure
or
orientation
occurrence
oxygen
vacancies.
3%
Nb-doped
,
degradation
efficiency
for
removing
(Methylene
blue)
MB
dye
increased
∼96%
removal
within
70
min
in
comparison
pure
other
doped
catalysts
better
Nb-TiO
is
due
longer
time
between
electron–hole
pairs
before
they
recombine
one
pair.
Hydroxyl
radicals
(HO•)
superoxide
(O
•−
are
primary
reactive
entities
responsible
deterioration
dye.
Therefore,
incorporating
nanostructures
represents
an
auspicious
material
decomposition
hazardous
toxic
pollutants
aquatic
environments.
