Advances in Natural Sciences Nanoscience and Nanotechnology,
Journal Year:
2023,
Volume and Issue:
14(4), P. 045005 - 045005
Published: Oct. 18, 2023
Abstract
The
use
of
LiNbO
3
nanoparticles
in
nonlinear
applications
is
attractive
and
promising.
particle
size
morphology
are
the
key
parameters
affecting
their
application.
In
this
study,
spherical
lithium
niobate
were
synthesised
by
nanosecond
Nd:YAG
laser
ablation
water.
polycrystalline,
rhombohedral
structure
with
x-ray
diffraction
experiments
was
verified.
bandgap
energy
colloidal
varied
between
4.25
4.9
eV
based
on
fluence,
according
to
optical
characteristics.
photoluminescence
(PL)
reveals
that
emission
peaks
centered
at
293,
300,
305,
309
nm
for
samples
prepared
1.3,
1.6,
2.0,
2.2
J
cm
−2
/pulse,
respectively.
transmission
electron
microscope
investigation
confirmed
formation
an
average
ranging
from
18
34
nm.
Raman
studies
various
fluences
being
conducted.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(11), P. 8815 - 8815
Published: May 30, 2023
The
demand
for
energy
has
increased
tremendously
around
the
whole
world
due
to
rapid
urbanization
and
booming
industrialization.
Energy
is
major
key
achieving
an
improved
social
life,
but
production
utilization
processes
are
main
contributors
environmental
pollution
greenhouse
gas
emissions.
Mitigation
of
crisis
reduction
in
(water
air)
difficulties
leading
research
topics
nowadays.
Carbonaceous
materials
offer
some
best
solutions
minimize
these
problems
easy
effective
way.
It
also
advantageous
that
sources
carbon-based
economical,
synthesis
comfortable,
applications
environmentally
friendly.
Among
carbonaceous
materials,
activated
carbons,
graphene,
carbon
nanotubes
have
shown
outstanding
performance
mitigating
pollution.
These
three
exhibit
unique
adsorption
properties
storage,
water
purification,
cleansing
their
electrical
conductivity,
large
specific
surface
areas,
strong
mechanical
strength.
This
paper
reviews
methods
nanotubes,
graphene
significant
treatment,
dioxide
capture
improve
sustainability.
ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
6(4), P. 2507 - 2516
Published: Feb. 13, 2023
A
very
simple
coprecipitation
approach
is
adopted
to
prepare
ZrO2-coated
NiO
on
MWCNTs
nanocomposites
with
nanoparticles
within
10–15
nm
size.
The
XPS
studies
confirm
the
presence
of
Zr,
Ni,
C,
and
O
elements
in
sample,
while
BET
BJH
analyses
reveal
a
typical
surface
area
204.44
m2
g–1
pores
between
10
15
nm.
electrochemical
performance
nanocomposite
electrode
show
higher
charge/discharge
capacity
688.3/688.7
mAh
after
200
cycles
excellent
retention
(96%)
cycling
stability.
minor
fading
has
been
observed
rate
electrodes
at
currents
ranging
from
100
5000
mA
g–1.
It
also
reveals
that
coin
cells
tend
maintain
their
maximum
Coulombic
efficiency
99.9%
low
current
density,
revealing
notable
reversible
capacity.
Therefore,
adding
significantly
increases
prevents
pulverization
active
materials.
While
structural
flexibility
helps
mitigating
volumetric
expansion.
During
process,
ZrO2
coating
improve
stability
facilitate
diffusion
Na
ions.
