Catalysts,
Journal Year:
2022,
Volume and Issue:
12(11), P. 1386 - 1386
Published: Nov. 8, 2022
Nanoparticles
typically
have
dimensions
of
less
than
100
nm.
Scientists
around
the
world
recently
become
interested
in
nanotechnology
because
its
potential
applications
a
wide
range
fields,
including
catalysis,
gas
sensing,
renewable
energy,
electronics,
medicine,
diagnostics,
medication
delivery,
cosmetics,
construction
industry,
and
food
industry.
The
sizes
forms
nanoparticles
(NPs)
are
primary
determinants
their
properties.
Nanoparticles’
unique
characteristics
may
be
explored
for
use
electronics
(transistors,
LEDs,
reusable
catalysts),
energy
(oil
recovery),
medicine
(imaging,
tumor
detection,
drug
administration),
more.
For
aforementioned
applications,
synthesis
with
an
appropriate
size,
structure,
monodispersity,
morphology
is
essential.
New
procedures
been
developed
that
safe
environment
can
used
to
reliably
create
nanomaterials.
This
research
aims
illustrate
top-down
bottom-up
strategies
nanomaterial
production,
numerous
characterization
methodologies,
nanoparticle
features,
sector-specific
nanotechnology.
Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: May 5, 2022
In
this
work,
a
simple
and
green
synthesis
procedure
for
phytofabrication
Zinc
oxide-silver
supported
biochar
nanocomposite
(Ag/ZnO@BC)
via
Persicaria
salicifolia
biomass
is
investigated
the
first
time
to
uphold
numerous
chemistry
such
as
less
hazardous
chemical
syntheses.
XRD
technique
showed
crystal
structure
of
phytosynthesized
Ag/ZnO@BC,
whereas
UV-visible
spectroscopy,
FT-IR,
SEM,
EDX,
TEM,
XPS
analyses
indicated
successful
biosynthesis
nanocomposite.
Testing
photocatalytic
potential
novel
in
removal
TC
under
different
conditions
unraveled
its
powerful
photodegradation
efficiency
that
reached
70.3%
optimum
reaction
conditions:
concentration;
50
ppm,
pH;
6,
dose
Ag/ZnO@BC;
0.01
g,
temperature;
25
°C,
H2O2
100
mM.
The
reusability
Ag/ZnO@BC
was
evident
it
53%
after
six
cycles
regeneration.
also
shown
be
potent
antimicrobial
agent
against
Klebsiella
pneumonia
well
promising
antioxidant
material.
Therefore,
current
work
presented
could
efficiently
employed
various
environmental
medical
applications.
Environmental Science & Technology,
Journal Year:
2022,
Volume and Issue:
56(19), P. 14019 - 14029
Published: Sept. 5, 2022
In
electrochemical
advanced
oxidation
processes
(EAOPs),
the
rate-limiting
step
is
mass
transfer
of
pollutants
to
electrodes
due
limited
active
surface
areas.
To
this
end,
we
established
a
three-dimensional
(3D)
EAOP
system
by
coupling
conventional
graphite
with
dispersed
carbon
nanotubes
(CNTs).
The
(particularly
anode)
induced
electric
field
spontaneously
polarized
CNTs
into
reactive
particle
(CNT-PEs)
in
solution,
which
remarkably
promoted
activation
peroxydisulfate
(PDS)
generate
CNT-PDS*
complexes
and
surface-bound
radicals
(SBRs).
Based
on
excited
potential
(ECNT-PEs)
at
different
positions
3D
field,
CNT-PEs
were
activated
three
states.
(i)
ECNT-PEs
<
Eorganic,
are
chemically
inert
toward
DCP
oxidation;
(ii)
Eorganic
Ewater,
will
oxidize
via
an
electron-transfer
process
(ETP);
(iii)
>
both
anode
water
produce
SBRs.
Thus,
could
be
oxidized
ETP
form
polychlorophenols
CNT
surface,
causing
rapid
deactivation
micro-electrodes.
contrast,
SBRs
attack
directly
chloride
ions
hydroxylated
products,
maintaining
cleanliness
activity
for
long-term
operations.
