Journal of Physics Conference Series,
Год журнала:
2024,
Номер
2844(1), С. 012010 - 012010
Опубликована: Дек. 1, 2024
Abstract
With
their
exceptional
qualities
such
as
greater
specific
surface
area,
a
atoms
fraction,
non-toxicity,
and
outstanding
redox
properties,
manganese
oxide
nanoparticles-a
transition
metal
with
variety
of
crystal
phases,
morphologies,
structural
diversity-are
attracting
attention
for
use
in
several
storage
science
applications,
particularly
batteries,
supercapacitors,
energy
conversion,
environmental
catalysis,
wastewater
treatment.
Particle
size,
morphology,
Mn
x
+
oxidation
state
are
just
few
the
variables
that
must
be
precisely
controlled
to
fully
realize
application
potential.
The
present
study
outlines
synthesis
nanoparticles
through
facile
co-precipitation
process
employs
double
precursor
salts
manganese,
namely
sulphate
potassium
permanganate,
along
three
surfactants:
Cationic-Potassium
chloride
(KCl),
Non-ionic
-
Polyethylene
glycol
(PEG),
Anionic-
sodium
dodecyl
(SDS),
respectively.
At
500°C,
samples
subsequently
annealed.
Samples
examined
using
XRD,
both
prepared
In
absence
any
calcination
treatment,
MnO
2
-precursor
was
primarily
an
amorphous
phase
indistinct
α-MnO
patterns
all
samples.
Well-defined
crystalline
prominent
peaks
α-Mn
O
3
some
traces
visible
different
surfactants
without
after
at
500°C.
Crystallite
sizes
macrostrains
etc
estimated.
By
this
one-pot
method,
mixed
phases
were
produced.
thermogravimetric
analysis
also
supports
results.
ChemBioEng Reviews,
Год журнала:
2023,
Номер
10(4), С. 510 - 528
Опубликована: Апрель 3, 2023
Abstract
Manganese
oxide
nanoparticles
with
different
crystal
phases,
morphologies,
and
structural
diversity
along
their
exceptional
properties
like
high
specific
surface
area,
a
fraction
of
atoms,
non‐toxic
nature,
excellent
redox
are
drawing
attention
for
various
applications
in
storage
science,
especially
the
batteries,
super‐capacitors,
energy
conversion,
environmental
catalysis
field.
Precise
control
particle
size,
morphology,
Mn
x
+
oxidation
state,
etc.
is
utmost
important
aspect
to
explore
application
full
potential.
Here,
emphasis
on
recent
trends
manganese
research
–
structure,
synthesis,
applications.
The
structure
numerous
crystalline
phases
summerized
several
facile
chemical
synthesis
processes
achieve
desired
crystalline/amorphous
discoursed.
Temperature
conditions
dependent
phase
transformations
β‐MnO
2
,
α‐Mn
O
3
4
from
α‐MnO
discussed
as
well.
pragmatic
approach
directs
that
field
mostly
controlled
by
morphologies.
Current Research in Green and Sustainable Chemistry,
Год журнала:
2023,
Номер
6, С. 100367 - 100367
Опубликована: Янв. 1, 2023
Manganese
oxide
nanoparticles
(MnO2
NPs)
were
synthesized
through
a
simple
one-pot
green
synthesis
method
using
Saraca
asoca
leaves
extract
(SA-MnO2
NPs),
and
their
physicochemical
properties
characterized
various
analytical
techniques,
including
electron
microscopy
(FESEM
TEM),
X-ray
diffraction
(XRD),
diffracted
spectroscopy
(EDAX).
The
as-synthesized
MnO2
NPs
had
highly
crystalline
structure
with
calculated
size
of
approximately
18
nm
d-spacing
value
0.216
nm.
morphology
the
SA-MnO2
was
like
stacked
cubes
high
elemental
purity,
as
confirmed
by
EDAX
spectrum.
Further,
confirming
as-obtained
from
XRD
analysis,
samples
subjected
to
anti-cancer
activities
evaluate
reactance
against
cancer
cell
lines.
in
vitro
activity
material
assessed
two
breast
lines,
namely
MCF7
MDA-MB-231.
results
showed
that
exhibited
significantly
lower
levels
cytotoxicity
these
indicating
potential
an
effective
anticancer
agent.
IC50
at
24
h
greater
than
20
μg/mL.
Therefore,
could
be
promising
candidate
for
developing
novel
treatment
therapies.
Carbohydrate Polymer Technologies and Applications,
Год журнала:
2023,
Номер
5, С. 100317 - 100317
Опубликована: Май 12, 2023
In
recent
years,
the
widespread
use
of
synthetic
dyes
in
various
industries
has
led
to
significant
water
pollution.
The
removal
these
from
wastewater
is
crucial
for
environmental
protection
and
human
health.
this
study,
we
reported
adsorption
properties
β-cyclodextrin
derived
polymer
networks
(CDPNs)
towards
organic
CDPNs
showed
exceptional
high
selectivity.
An
independent
gradient
model
based
on
Hirshfeld
partition
molecular
density
(IGMH)
method
was
applied
figure
out
mechanism
kinetics,
isotherms
were
investigated
understand
mechanisms.
Comprehensive
studies
reusability
adsorbent
conducted
assess
its
potential
practical
applications.
Overall,
study
provides
insights
into
as
an
effective
dye
removal.
