Synergistic SERS Enhancement of Highly Sensitive and Reusable rGO-Ag-ZrO2 Thin Film Nanocomposite to Detect Synthetic Textile Dyes
Awati Prema Mahadev,
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C. Kavitha,
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Jil Rose Perutil
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et al.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
The
textile
industry
is
one
of
the
main
industries
that
benefited
from
industrial
revolution.
Therefore,
discharging
dyes
textile,
paper,
plastic,
and
rubber
inevitable.
This
colored
wastewater
prevents
sunlight
penetration
highly
affects
water
sources.
Cationic
such
as
Rhodamine
6G
(R6G)
Methylene
Blue
(MB)
obstruct
plant
growth,
most
these
are
nonbiodegradable.
Thus,
cationic
observed
to
be
more
toxic
than
anionic
reactive
dyes.
It
a
great
challenge
mankind
detect
remove
aquatic
ecosystem.
Surface-enhanced
Raman
spectroscopy
(SERS)
an
emerging
cost-effective
technique
for
detection
any
analyte
at
trace
levels.
Further,
it
very
important
design
sensitive
SERS
substrate
in
lower
concentrations.
Owing
high
cost
coinage
metal
substrates,
semiconductor-based
substrates
have
gained
attention
recently.
Though
pure
semiconductors
poor
activity,
incorporating
graphene
derivatives
can
further
improve
their
surface
optical
properties
make
them
active
substrates.
In
order
address
this,
we
attempted
synthesize
reduced
oxide/silver/zirconia
(rGO-Ag-ZrO2)
hybrid
thin
film
nanocomposite
using
facile
liquid/liquid
interface
method
first
time.
synergistic
effect
rGO-Ag-ZrO2
efficient
R6G
until
100
pM
multifunctional
versatile
application
substrate,
reusability
by
photodegradation
antibiotic
drug,
was
also
explored
Language: Английский
Noble Metal Nanoparticles for Pollutant Decomposition
Tahir Iqbal,
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Sumera Afsheen,
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Ayesha Mushtaq
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et al.
Published: Jan. 1, 2025
Combined Reactive Gas Timing Magnetron Sputtering and Glancing Angle Deposition Technique Fabrication of Vertically Aligned Amorphous TiO2 Nanorod Films
physica status solidi (a),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 7, 2025
TiO
2
nanostructures
have
been
shown
to
enhance
the
performance
of
various
advanced
nanodevices,
such
as
sensors,
photovoltaics,
and
solar
cell
devices.
Herein,
an
alternative
technique
is
presented
for
single‐step
direct
growth
nanorod
thin
films
on
a
substrate.
This
combines
reactive
gas
timing
magnetron
sputtering
with
glancing
angle
deposition
thoroughly
analyzed
its
potential.
The
influence
Ar:O
ratio
properties
investigated.
analysis,
using
field‐emission
scanning
electron
microscopy
grazing‐incidence
X‐ray
diffraction,
reveals
well‐defined,
vertically
aligned
structure
that
amorphous
across
all
prepared
samples.
optical
property
high
transmission
over
80%
in
visible
regions,
achieved
by
shorter
Ar
due
increasing
O/Ti
ratio.
work
function,
influenced
morphology,
tuned
varying
ratio,
which
beneficial
developing
high‐performance
sensors
Language: Английский
Nanosecond Laser-Assisted Fabrication of Photocatalytically Active TiO2 Nanocoatings: Implication in Organic Dyes Degradation
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(16), P. 19268 - 19278
Published: Aug. 8, 2024
The
development
of
systems
capable
efficiently
eliminating
organic
dyes
from
wastewater
is
crucial
for
the
environment.
In
this
context,
TiO2-based
photocatalytic
are
particular
interest.
However,
eco-friendly
and
single-step
methods
fabrication
such
remains
a
challenge
to
their
practical
use.
Here,
we
demonstrate
approach
catalytic
system
composed
TiO2
nanocoating
created
on
surface
bulk
titanium
plate
by
exposure
nanosecond
laser.
conditions
affect
relief
phase
composition
nanocoating,
as
revealed
combination
scanning
electron
microscopy
(SEM),
contact
profilometry,
Raman,
High-resolution
X-ray
photoelectron
spectroscopy
(HR
XPS),
grazing
incidence
diffraction
(GIXRD)
methods.
Using
GIXRD
method,
establish
that
nanocoatings
consist
mixture
anatase
rutile
grains
with
sizes
22.7–24.4
29.8–32.2
nm,
respectively.
HR
XPS
analysis
demonstrates
changes
in
number
pulses
per
spot
modify
content
40.6
70.4%.
samples
higher
exhibit
up
6.3
times
activity,
which
confirmed
methylene
blue
degradation
when
exposed
UV
light
can
be
related
synergistic
effect
anatase–rutile
heterojunction.
reusability
supported
repeated
experiments.
activity
obtained
improved
Au
nanoparticles
deposited
magnetron
sputtering.
proposed
lays
foundation
application
laser-assisted
technologies
systems.
Language: Английский
Photocatalytic Degradation of Organic Pollutants and Microplastics Using Ag/TiO2: Recent Advances in Mechanism, Synthesis and Properties
Water Air & Soil Pollution,
Journal Year:
2024,
Volume and Issue:
236(1)
Published: Dec. 4, 2024
Language: Английский
Controlled Fabrication of Wafer-Scale, Flexible Ag-TiO2 Nanoparticle–Film Hybrid Surface-Enhanced Raman Scattering Substrates for Sub-Micrometer Plastics Detection
Fanyi Kong,
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Chenhua Ji,
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Gaolei Zhao
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et al.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(19), P. 1597 - 1597
Published: Oct. 3, 2024
As
an
important
trace
molecular
detection
technique,
surface-enhanced
Raman
scattering
(SERS)
has
been
extensively
investigated,
while
the
realization
of
simple,
low-cost,
and
controllable
fabrication
wafer-scale,
flexible
SERS-active
substrates
remains
challenging.
Here,
we
report
a
facile,
low-cost
strategy
for
fabricating
wafer-scale
SERS
based
on
Ag-TiO
Language: Английский