Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: June 3, 2023
Two
organoselenium
thiourea
derivatives,
1-(4-(methylselanyl)phenyl)-3-phenylthiourea
(DS036)
and
1-(4-(benzylselanyl)phenyl)-3-phenylthiourea
(DS038)
were
produced
categorized
using
FTIR
NMR
(
ACS Omega,
Journal Year:
2023,
Volume and Issue:
8(27), P. 24218 - 24232
Published: June 29, 2023
The
study
investigates
the
potential
of
Cupressus
sempervirens
(EO)
as
a
sustainable
and
eco-friendly
inhibitor
copper
corrosion
in
0.5
M
sulfuric
acid
medium.
electrochemical
impedance
spectroscopy
analysis
shows
that
effectiveness
inhibition
rises
with
increasing
concentrations,
reaching
94%
application
2
g/L
EO,
potentiodynamic
polarization
(PDP)
studies
reveal
EO
functions
mixed-type
inhibitor.
In
addition,
Langmuir
adsorption
isotherm
is
an
effective
descriptor
its
adsorption.
Scanning
electron
microscopy/energy-dispersive
X-ray
spectroscopy,
atomic
force
microscopy
surface
examination,
contact
angle
measurement
indicate
may
form
barrier
layer
on
metal
surface.
Density
functional
theory
calculations,
Monte
Carlo
simulation
models,
radial
distribution
function
were
also
used
to
provide
more
detailed
understanding
protection
mechanism.
Overall,
findings
suggest
has
serve
for
medium,
contributing
development
green
inhibitors
environmentally
friendly
industrial
processes.
Arabian Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
17(9), P. 105895 - 105895
Published: July 5, 2024
Active
phytochemicals
with
unique
electron
structures
can
adsorb
on
metal
surfaces
and
effectively
mitigate
corrosion.
Recently,
plant
extracts
have
garnered
significant
attention
as
green
renewable
corrosion
inhibitors.
In
this
study,
the
abundant
agricultural
byproducts,
namely
Zea
mays
bracts,
were
used
extract
raw
materials,
bracts
(ZMBE)
was
served
an
eco-friendly
inhibitor
for
mild
steel
(MS)
in
1
M
HCl
pickling
solution.
The
organic
substances
ZMBE
analyzed
via
ultra-high
performance
liquid
chromatography-
quadrupole
time-of-flight
mass
spectrometry
(UPLC-QTFMS).
interaction
between
active
functional
groups
MS
investigated
using
Fourier
transform
infrared
(FT-IR)
ultraviolet–visible
(UV–visible)
spectroscopy
X-ray
photoelectron
(XPS).
inhibition
behavior
scrutinized
through
potentiodynamic
polarization
(PDP)
curves
electrochemical
impedance
(EIS).
results
show
that
such
aromatic
rings,
double
bonds,
hydroxyls
successfully
surface
to
form
protective
films.
exhibits
a
mixed-type
"geometric
coverage"
effect.
efficiency
(η)
increases
concentration
solution
temperature,
optimum
η
5.0
g·L−1
at
318
K
is
96.2
%.
adsorption
of
ingredients
follows
Langmuir
El-Awady
isotherms.
Density
theory
(DFT)
molecular
dynamics
(MD)
simulations
prove
synergistic
effect
complex
components
mechanism.
promising
acid
broad
application
prospects.
Applied Surface Science Advances,
Journal Year:
2024,
Volume and Issue:
19, P. 100578 - 100578
Published: Feb. 1, 2024
The
anti-corrosion
effectiveness
of
novel
1‑butyl‑3-methylimidazolium
tetrachloroindate
ionic
liquid
([C4MIM][InCl4]
(IL))
for
aluminum-silicon-titanium
(Al-Si-Ti)
based
aluminum
alloy
in
1mole
(M)
potassium
hydroxide
(KOH)
electrolyte
at
303–343
K
was
explored
the
current
study.
To
realize
this,
standard
methods
such
as
weight
loss,
electrochemical
investigation,
density
functional
theory
(DFT)/molecular
dynamics
simulation
(MD-simulation),
scanning
electron
microscope
(SEM),
and
force
microscopy
(SFM),
were
employed
to
scrutinize
successfulness
[C4MIM][InCl4]
KOH
solution.
From
our
findings,
mitigated
corrosion
Al-Si-Ti
alloy,
inhibition
efficiency
(IE%)
is
enhanced
with
improved
concentration.
efficiencies
obtained
0.8
g/L
concentration
88.46%,
82%,
82.35%,
gravimetric,
potentiodynamic
polarization
(PDP)
impedance
spectroscopy
(EIS)
procedures,
respectively.
PDP
result
disclosed
performed
like
a
mixed-type
inhibitor
cathodic
predominance.
SEM/SFM
examination
proved
that
developed
shield
coat
on
metal
surface.
thermodynamic
probe
molecules
fastened
onto
surface
by
physisorption
mechanism
best
fitted
Frumkin
adsorption
isotherm
model.
DFT/MD-simulation
procedure
confirmed
configuration
orientation
gas
aqueous
phase
which
harmony
experimental
discovering.
Simulated
neural
network
(SNN),
adaptive
neuro-fuzzy
inference
system
(ANFIS)
deployed
robust
training,
forecast
modeling
interactive
effects
input
parameters
expected
feedback,
Herein,
training
via
ANN
ANFIS
designs
without
(GA),
well
computing
statistical
indices
mean
squared
error
(MSE),
hybrid
fractional
function
(HYBRID%),
absolute
average
relative
(AARE),
Marquardt's
percentage
deviation
(MPSED%)
r-squared
(R2)
appraise
models
capability.
optimal
IE%
forecasted
88.4842%
89.0643%,
ANFIS,
Based
numerical
values
calculated
much
acceptance
accorded
model
over
due
its
high
degree
precision
robustness.
aftermath
this
study
furnishes
additional
information
systematic
plan
mitigation,
proffer
useful
instructions
logical
use
additive
threatened
alkaline