AIMS energy,
Год журнала:
2024,
Номер
12(6), С. 1334 - 1365
Опубликована: Янв. 1, 2024
<p>The
field
of
energy
harvesting
has
grown
rapidly,
with
the
huge
development
in
low-power
devices
and
Internet
Things
(IoT).
With
intent
electrical
for
self-powered
devices,
piezoelectric
technology
is
considered.
In
this
study,
we
proposed
several
mechanical
improvements
to
enhance
produced
through
piezoelectricity.
To
determine
best
configuration
harvest
energy,
three
electric
circuits
were
tested
using
a
material
(PZT-5H)
mounted
directly
on
vibration
exciter.
The
harvested
by
each
circuit
was
determined
at
different
excitation
frequencies,
from
20
50
Hz,
an
amplitude
2
mm.
favorable
approximately
35
μJ
frequency
Hz.
This
subsequently
used
remaining
aspects
work.
obtained
fixed-free
metallic
plate
used.
First,
free
tried,
imposing
displacement
values
end
plate.
consisted
materials:
copper,
aluminum,
steel.
PZT-5H
positions
material,
position,
displacement.
highest
around
6
μJ.
Second,
forced
0.5
mm
10
fixed
lengths.
540
Third,
showed
that
it
possible
further
increase
tuning
resonance
then
1010
results
allowed
optimizing
toward
supplying
applications.</p>
Nano Letters,
Год журнала:
2024,
Номер
24(44), С. 13895 - 13902
Опубликована: Окт. 25, 2024
Sulfoxides
are
essential
in
pharmaceuticals
and
chemicals,
yet
traditional
thioether
oxidation
struggles
with
selectivity
sustainability.
This
study
introduces
carbonized
polymer
dots
(CPDs)
as
effective
photocatalysts
for
ecofriendly
to
sulfoxide
oxidation,
using
water
ethanol
enhance
reaction
efficiency
under
455
nm
blue
light.
These
catalysts
not
only
show
remarkable
efficacy
mild
conditions
but
also
display
high
formation,
proving
versatile
across
a
broad
range
of
substrates.
We
further
elucidated
the
catalytic
mechanism,
confirming
predominant
roles
singlet
oxygen
superoxide
anions
through
both
spectroscopic
evidence
quenching
experiments.
The
method
extends
synthesis
such
oxfendazole,
albendazole
sulfoxide,
sulindac,
highlighting
its
practical
utility.
Overall,
our
findings
present
sustainable
efficient
avenue
synthesis,
thereby
broadening
utility
CPDs
photocatalytic
transformations.
Journal of Metals Materials and Minerals,
Год журнала:
2024,
Номер
34(4), С. 2167 - 2167
Опубликована: Дек. 11, 2024
The
development
of
Z-scheme
heterojunctions
has
emerged
as
an
effective
approach
for
boosting
the
photocatalytic
activity.
Herein,
we
fabricated
a
direct
heterojunction
between
scaffold-like
C3N4
and
nanocylindrical
Bi25FeO40,
which
exhibits
enhanced
activity
dye
adsorption
capacity.
in-situ
embedding
Bi25FeO40
within
scaffold
promotes
photogenerated
carrier
separation,
leading
to
optimized
degradation
rate
0.0205
min−1
contaminant
removal
efficiency
85.3%.
This
work
paves
new
path
high-efficiency
degradation.
AIMS energy,
Год журнала:
2024,
Номер
12(6), С. 1334 - 1365
Опубликована: Янв. 1, 2024
<p>The
field
of
energy
harvesting
has
grown
rapidly,
with
the
huge
development
in
low-power
devices
and
Internet
Things
(IoT).
With
intent
electrical
for
self-powered
devices,
piezoelectric
technology
is
considered.
In
this
study,
we
proposed
several
mechanical
improvements
to
enhance
produced
through
piezoelectricity.
To
determine
best
configuration
harvest
energy,
three
electric
circuits
were
tested
using
a
material
(PZT-5H)
mounted
directly
on
vibration
exciter.
The
harvested
by
each
circuit
was
determined
at
different
excitation
frequencies,
from
20
50
Hz,
an
amplitude
2
mm.
favorable
approximately
35
μJ
frequency
Hz.
This
subsequently
used
remaining
aspects
work.
obtained
fixed-free
metallic
plate
used.
First,
free
tried,
imposing
displacement
values
end
plate.
consisted
materials:
copper,
aluminum,
steel.
PZT-5H
positions
material,
position,
displacement.
highest
around
6
μJ.
Second,
forced
0.5
mm
10
fixed
lengths.
540
Third,
showed
that
it
possible
further
increase
tuning
resonance
then
1010
results
allowed
optimizing
toward
supplying
applications.</p>
