Open Chemistry,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 1, 2024
Abstract
A
one-pot
synthesis
approach
was
employed
to
create
a
composite
nanorod
structure
(Mn
2
O
3
–MnO
–poly(
m
-methylaniline)
or
Mn
–P
MA)
on
polypyrrole
(Ppy)
film.
Optoelectronic
and
solar
cell
thin
film
devices
were
constructed
using
n-
p-type
layers
of
MA
Ppy,
respectively.
The
optical
characteristics
the
n-layer,
coupled
with
morphological
behavior
its
nanorods,
enhance
absorbance
efficiency,
reducing
bandgap
value
2.48
eV.
optoelectronic
device
is
chiefly
determined
by
significantly
higher
current
density
(
J
ph
)
0.017
mA/cm
compared
dark
o
0.002
.
Additionally,
linear
dynamic
range
85
dB,
noise
ratio
12%.
optimized
values
for
photosensitivity
R
detectivity
D
at
340
nm
are
0.22
mA
W
−1
0.47
×
10⁸
Jones,
Even
540
nm,
these
decrease
0.08
0.2
For
behavior,
short-circuit
SC
open-circuit
voltage
V
OC
determined,
yielding
0.001
0.98
V,
outstanding
performance
this
device,
positions
material
dual
role
in
various
industrial
applications.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(7), P. 2615 - 2615
Published: March 22, 2024
The
development
of
simple,
effective,
economical,
and
environmentally
friendly
methods
for
removing
hazardous
substances
anthropogenic
origin
from
aquatic
systems
is
currently
one
the
greatest
challenges,
among
others,
due
to
variety
pollutants
transformations
they
may
undergo
in
environment.
In
recent
years,
there
has
been
an
increased
interest
adsorption
based
on
use
natural
polymers,
including
non-toxic
chitosan
(CS),
which
characterized
by
good
coating
properties,
biocompatibility,
biodegradability.
This
review
concerns
latest
developments
(since
2019)
application
novel
chitosan-based
materials
removal
(e.g.,
metal
metalloid
ions,
synthetic
dyes,
pharmaceuticals)
aqueous
solutions,
with
particular
emphasis
their
most
important
advantages
limitations,
as
well
potential
impact
sustainability.
International Journal of Nanomedicine,
Journal Year:
2024,
Volume and Issue:
Volume 19, P. 4137 - 4162
Published: May 1, 2024
Background:
In
the
current
scenario,
synthesis
of
nanoparticles
(NPs)
using
environmentally
benign
methods
has
gained
significant
attention
due
to
their
facile
processes,
cost-effectiveness,
and
eco-friendly
nature.
Methods:
present
study,
copper
oxide
(CuO
NPs)
were
synthesized
aqueous
extract
Coelastrella
terrestris
algae
as
a
reducing,
stabilizing,
capping
agent.
The
CuO
NPs
characterized
by
X-ray
diffraction
(XRD),
UV-visible
spectroscopy
(UV-Vis),
Fourier
transform
infrared
(FTIR),
dynamic
light
scattering
(DLS),
field
emission
scanning
electron
microscopy
(FE-SEM)
coupled
with
energy-dispersive
(EDS).
Results:
XRD
investigation
revealed
that
biosynthesized
nanocrystalline
high-phase
purity
size
in
range
4.26
nm
28.51
nm.
FTIR
spectra
confirmed
existence
secondary
metabolites
on
surface
NPs,
characteristic
Cu–O
vibrations
being
identified
around
600
cm
−
1
,
496
440
.
FE-SEM
images
predicted
enhancement
algal
amount
converted
flattened
rice-like
structures
into
flower
petal-like
structures.
Furthermore,
degradation
ability
was
investigated
against
Amido
black
10B
(AB10B)
dye.
results
displayed
optimal
efficacy
AB10B
dye
94.19%,
obtained
at
6
pH,
50
ppm
concentration
dye,
0.05
g
dosage
90
min
pseudo-first-order
rate
constant
0.0296
CuO-1
through
exhibited
notable
antibacterial
S.
aureus
zone
inhibition
(ZOI)
22
mm
P.
aeruginosa
ZOI
17
mm.
Conclusion:
Based
findings
this
it
can
be
concluded
utilizing
for
presents
promising
solution
addressing
environmental
contamination.
Keywords:
green
synthesis,
photocatalysis,
activity,
wastewater
treatment
