Functional Composites and Structures,
Год журнала:
2024,
Номер
6(1), С. 015005 - 015005
Опубликована: Фев. 22, 2024
Abstract
This
research
unveils
an
innovative
approach
to
green
synthesis,
detailed
characterization,
and
multifunctional
exploration
of
bio-functionalized
zinc
oxide
nanoparticles
(PN/ZnO
NPs)
adorned
with
phytochemicals
from
Piper
nigrum
(PN).
Employing
extensive
suite
spectroscopic
techniques
physicochemical
methods,
including
UV–vis
spectroscopy,
field
emission
scanning
electron
microscope
(FESEM),
high-resolution
transmission
(HRTEM),
energy
dispersive
x-ray
(EDX)
Fourier-transform
infrared
(FTIR),
diffraction
(XRD),
Brunauer–Emmett–Teller
(BET)
analysis,
the
study
delves
into
unique
properties
PN/ZnO
NPs.
XRD
confirms
development
wurtzite
phase
a
crystallite
diameter
47.77
nm.
FTIR
reveals
ZnO
functionalization
by
PN’s
phytochemicals,
while
FESEM
HRTEM
suggest
diverse
architectural
features.
Selected
area
patterns
authenticate
crystalline
structure.
BET
analysis
showcases
large
specific
surface
80.72
m
2
g
−1
mesoporous
The
absorption
peak
at
372
nm
band
gap
(
E
)
3.44
eV
validate
NP
formation.
catalytic
performance
is
demonstrated
through
degradation
commercial
reactive
yellow-17
(RY-17)
dye,
(dosage
300
mg
l
achieving
94.72%
removal
dose
120
.
Pseudo-first-order
kinetics
govern
photodegradation
process.
PN-ZnO
NPs
showcase
potent
antimicrobial
efficacy
against
both
gram-negative
gram-positive
bacteria,
varying
clearance
zones.
stands
as
impactful
exploration,
integrating
versatile
functionalities
Desalination and Water Treatment,
Год журнала:
2024,
Номер
317, С. 100126 - 100126
Опубликована: Янв. 1, 2024
Cerium
oxide
nanoparticles
(CeO2-NPs)
are
multifunctional
metal
that
have
been
considered
by
many
due
to
their
unique
properties,
including
antimicrobial,
antifungal,
semiconducting,
and
photocatalytic
activity.
In
this
research,
CeO2-NPs
were
synthesized
using
a
natural
sweetener
glycoside
in
the
aqueous
crude
extract
of
Stevia
rebaudiana
acted
as
an
excellent
bio-reductant.
The
prepared
further
characterized
Raman
spectroscopy,
X-ray
diffraction
(XRD),
Fourier
transform
infrared
spectroscopy
(FT-IR),
field
emission-scanning
electron
microscopy
(FE-SEM).
FE-SEM
results
confirmed
nano-size
(10–50
nm).
antibacterial
activity
against
Pseudomonas
aeruginosa
Enterococcus
faecalis
has
shown
Minimum
Inhibitory
Concentration
(MIC)
was
6.25
12.5
μg/mL
Bactericidal
(MBC)
25
respectively.
presence
(under
optimal
conditions:
catalyst
dosage
=
0.75
g/L,
TC
concentration
5
mg/L,
pH=10),
about
80.68%
tetracycline
(TC)
degraded
after
45
min
UV-irradiation
it
is
indicative
acceptable
property
CeO2-NPs.
Functional Composites and Structures,
Год журнала:
2024,
Номер
6(1), С. 015005 - 015005
Опубликована: Фев. 22, 2024
Abstract
This
research
unveils
an
innovative
approach
to
green
synthesis,
detailed
characterization,
and
multifunctional
exploration
of
bio-functionalized
zinc
oxide
nanoparticles
(PN/ZnO
NPs)
adorned
with
phytochemicals
from
Piper
nigrum
(PN).
Employing
extensive
suite
spectroscopic
techniques
physicochemical
methods,
including
UV–vis
spectroscopy,
field
emission
scanning
electron
microscope
(FESEM),
high-resolution
transmission
(HRTEM),
energy
dispersive
x-ray
(EDX)
Fourier-transform
infrared
(FTIR),
diffraction
(XRD),
Brunauer–Emmett–Teller
(BET)
analysis,
the
study
delves
into
unique
properties
PN/ZnO
NPs.
XRD
confirms
development
wurtzite
phase
a
crystallite
diameter
47.77
nm.
FTIR
reveals
ZnO
functionalization
by
PN’s
phytochemicals,
while
FESEM
HRTEM
suggest
diverse
architectural
features.
Selected
area
patterns
authenticate
crystalline
structure.
BET
analysis
showcases
large
specific
surface
80.72
m
2
g
−1
mesoporous
The
absorption
peak
at
372
nm
band
gap
(
E
)
3.44
eV
validate
NP
formation.
catalytic
performance
is
demonstrated
through
degradation
commercial
reactive
yellow-17
(RY-17)
dye,
(dosage
300
mg
l
achieving
94.72%
removal
dose
120
.
Pseudo-first-order
kinetics
govern
photodegradation
process.
PN-ZnO
NPs
showcase
potent
antimicrobial
efficacy
against
both
gram-negative
gram-positive
bacteria,
varying
clearance
zones.
stands
as
impactful
exploration,
integrating
versatile
functionalities
