Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
39(3)
Опубликована: Ноя. 5, 2024
ABSTRACT
The
existence
of
organic
pollutants
in
aqueous
media
has
become
a
vital
issue
and
critical
threat
to
human
health,
where
toxic
dyes
represent
the
major
contaminants
wastewater.
Over
past
few
years,
photocatalytic
techniques
have
garnered
lot
interest
dye
removal
from
In
this
study,
series
Er
x
Tb
Zn
1
−
2
O
nanophotocatalysts
(where
=
0.00,
0.01,
0.03,
0.05)
were
synthesized
coded
as
ZET0,
ZET1,
ZET2,
ZET3
NPs
(nanoparticles).
chemical
physical
characteristics
investigated
using
Fourier‐transform
infrared
spectroscopy
(FT‐IR),
X‐ray
diffraction
(XRD),
photoelectron
(XPS),
transmission
electron
microscopy
(TEM),
energy‐dispersive
(EDX)
spectroscopy,
ultraviolet–visible
diffuse
reflectance
(UV–vis
DRS)
techniques.
Further
examination
by
performing
experiments,
ZET1
demonstrated
effective
Rhodamine
B
(RhB)
degradation
within
60
min.
It
was
found
that
kinetic
rate
constant
values
0.008,
0.097,
0.050,
0.040
min
−1
for
NPs,
respectively.
Aside
their
remarkable
efficiency,
these
photocatalysts
are
highly
stable
even
after
five
consecutive
cycles.
addition,
active
species
test
revealed
primary
oxidation
involved
process
holes
(h
+
)
hydroxyl
radicals
(•OH),
possible
mechanism
degrading
RhB
tentatively
proposed.
enhancement
efficiency
is
due
low
recombination
photogenerated
charge
carriers,
well
strong
synergistic
impact
Tb,
Er,
ZnO
components.
Thus,
current
study
could
offer
versatile
strategy
design
new
nano
wastewater
purification
future.
Results in Engineering,
Год журнала:
2024,
Номер
22, С. 102305 - 102305
Опубликована: Май 22, 2024
Air
pollution
in
the
environment
is
growing
daily
as
a
result
of
urbanization
and
population
growth,
which
causes
numerous
health
issues.
Information
about
air
quality
environmental
risks
provided
by
pollutant
data
crucial
for
management.
The
use
artificial
neural
network
(ANN)
approaches
predicting
pollutants
reviewed
this
research.
These
methods
are
based
on
several
forecast
intervals,
including
hourly,
daily,
monthly
ones.
This
study
shows
that
ANN
techniques
contaminants
more
precisely
than
traditional
methods.
It
has
been
discovered
input
parameters
architecture-type
algorithms
used
affect
accuracy
prediction
models.
therefore
accurate
reliable
other
empirical
models
because
they
can
handle
wide
range
meteorological
parameters.
Finally,
research
gap
networks
identified.
review
may
inspire
researchers
to
certain
extent
promote
development
intelligence
prediction.
Results in Engineering,
Год журнала:
2023,
Номер
18, С. 101158 - 101158
Опубликована: Май 11, 2023
Organic-inorganic
hybrid
perovskite
solar
cells
have
made
tremendous
breakthroughs
in
device
photovoltaic
performance,
but
the
solution
chemistry
features
are
poorly
understood.
Herein,
fundamental
processes
of
crystal
crystallization
and
several
templates
for
growth
described.
Then
solvent
systems
preparing
thin
films
introduced,
including
pure,
binary,
ternary
solvents.
The
interaction
precursor
ligand
molecules
solution,
which
is
related
to
nature
intermediate
phase,
dependent
on
distinct
molecules,
dimethylformamide
(DMF),
N-methyl-2-pyrrolidone
(NMP),
dimethyl
sulfoxide
(DMSO),
acetonitrile
(ACN),
urea,
etc.
polarity
determines
degree
binding
Pb2+
stability
complex,
affects
quality
films.
In
engineering
research
field,
strong
polar
solvents
will
interact
with
Pb2+,
leads
extensive
study
phases.
this
review,
typical
phases
summarized
as
solvent-induced
intermediates,
HI
MA
intermediates
MAAc
intermediates.
annealed
or
antisolvent
treated
further
form
films,
resulting
low
defects,
high-quality
few
pinholes.
On
basis,
we
propose
use
green
instead
toxic
preparation
by
multi-solvent
systems,
provides
some
feasible
ideas
realization
high-performance
long-term
stability.
Overall,
review
seeks
provide
a
comprehensive
detailed
analysis
most
recent
advancements
film
formation,
emphasizing
its
potential
improve
performance
PSCs.
addition,
it
offers
insights
into
mechanisms
underlying
influence
morphology
crystallization.
Results in Engineering,
Год журнала:
2022,
Номер
16, С. 100727 - 100727
Опубликована: Окт. 30, 2022
The
tribo-performance
of
passenger
car
engine
oil
with
three
friction
modifiers
(organic
and
inorganic)
has
been
experimentally
evaluated
using
benchtop
tribometers.
Friction
coefficient
traces
wear
contact
potential
(qualitative
measurement
lubricating
film
formation)
were
reported
at
varying
pressures,
speeds,
temperatures.
in
situ
film-forming
characteristics
modifier
also
investigated
SLIM
(Spacer
layer
imaging)
a
Mini
traction
tribometer.
Overall,
inorganic
(MoDTC)
yielded
better
tribological
performances
than
organic
modifiers.
Typically,
thicker
protective
tribo-film
(180
nm)
formed
the
worn
surface
by
MoDTC
(80–120
nm).
Scanning
electron
microscopy
(SEM),
Raman
spectroscopy
Atomic
force
(AFM)
have
utilised
to
characterise
surfaces
understand
mechanism
behind
formation.
Results in Engineering,
Год журнала:
2023,
Номер
17, С. 100904 - 100904
Опубликована: Янв. 21, 2023
In
this
work,
a
multi-scale
framework
is
presented
for
the
estimation
of
hygro-thermo-mechanical
elastic
performance
laminated
composite
structures
with
single-walled
carbon
nanotube
(SWCNT)
inclusions.
The
Halpin-Tsai
equations
are
adequately
utilized
homogenized
stiffness
characteristics
nano-reinforced
matrix,
considering
constant
levels
SWCNT
agglomeration,
orientation,
and
waviness
taking
into
account
nanoscopic
size-dependent
SWCNTs.
Chamis
micromechanical
formulae
also
applied
to
explicitly
evaluate
six
independent
properties
nanocomposite
lamina,
temperature
moisture
effects.
Then,
exploiting
Taguchi
design
experiments,
an
integrated
relationship
established
orthotropic
constants
under
effect
factors.
macroscopic
fiber
volume
fraction,
aspect
ratio,
temperature,
content
on
effective
mechanical
properties,
flexural
deflection,
variables
SWCNT-based
plates
finally
investigated,
implementing
proposed
equation
finite
element
continuum
models.
obtained
results
validated
experimental
theoretical
data
available
in
open
literature.
To
authors’
best
knowledge,
it
first
time
literature
that
composites
reinforced
by
CNTs
predicted
using
multiscale-based
method
various
