Journal of The Electrochemical Society,
Journal Year:
2024,
Volume and Issue:
171(10), P. 107517 - 107517
Published: Oct. 1, 2024
Free-standing,
surface-modified
TiO
2
nanotubes(TNTs)
decorated
with
copper
nanostructures
have
been
extensively
studied
as
promising
materials
for
their
application
in
biosensing
and
photo-electrochemical
splitting
of
water.
Here,
the
TNTs
are
prepared
by
electrochemical
anodization
followed
modification
via
UV-assisted
photo-reduction
technique.
Field-emission
scanning
electron
microscopy
X-ray
diffraction
studies
confirmed
structural
morphological
properties
TNTs,
along
tubular
architecture
mixed-phase
composition
Anatase-Rutile.
Energy-dispersive
spectroscopic
analysis
verified
successful
deposition
copper.
Diffuse
reflectance
spectroscopy
revealed
an
electronic
band
gap
3.2
eV.
The
copper-modified
showed
enhanced
sensitivity
sensing
glucose
to
tune
0.52
mA
mM
−1
cm
−2
a
high
linear
range
0.5
7
superior
selectivity
against
interferents.
It
was
found
that
modified
exhibited
higher
photocurrent
response
1.09
compared
pristine
(0.69
).
These
findings
indicate
potential
continuous
monitoring
applications.
ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
7(16), P. 18367 - 18378
Published: Nov. 27, 2023
Commercialization
of
photoelectrochemical
(PEC)
water-splitting
technology
is
hindered
by
the
slower
kinetics
oxygen
evolution
in
currently
available
photoanodes.
Light
absorption,
charge-separation,
and
charge-transfer
efficiencies
determine
reaction
(OER)
at
semiconductor
photoanode
surfaces.
All
these
parameters
can
be
maximized
nanotexturing
surface
through
morphological
(cones,
pyramids,
grids,
etc.)
control
crystallographic
(facets)
orientation.
The
primary
objective
texturing
on
conducting
substrates
to
improve
photoconversion
efficiency
PEC
devices
an
increased
area
light
absorption.
Laser-assisted
ablation
melt-fusion
additive
techniques
allow
for
rapid
iteration
architecture
designs
optimized
absorption
properties.
This
work
reviews
various
ultrafast
laser
employed
fabricating
nanotextured
surfaces
their
impact
performance.
Compared
with
conventional
electrode
fabrication
techniques,
laser-based
provide
a
cost-effective,
design,
validation
method
research
development
water
splitting
technologies.
