Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 4, 2025
Betavoltaic
(BV)
batteries
are
regarded
as
appealing
power
sources
due
to
their
high
energy
densities
and
long
lifetimes.
However,
the
low
efficiency
maximum
output
density
of
conventional
BV
self-absorption
effect
radioactive
sources,
which
consist
separate
beta-radioactive
semiconductor
absorbers,
limit
applications.
In
this
work,
we
optimized
compared
six
63NiO-related
heterojunction
nuclear
utilizing
Monte
Carlo
software
Geant4
finite
element
analysis
COMSOL
Multiphysics.
The
integrate
absorbers
overcome
shortcomings
batteries.
Furthermore,
proposed
a
parallel
connection
structure
graphene
electrode
layer
connect
two
63NiO/GaP
heterojunctions
based
on
optimal
one
from
in
order
maximize
density.
total
conversion
is
2.68%
[Formula:
see
text]
battery.
Finally,
investigated
time-related
performance
battery
within
200
years.
It
shows
that
decreases
beginning
at
Topics in Catalysis,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 17, 2025
Abstract
Green
synthesis
is
a
sustainable
alternative
to
traditional
chemical
methods
for
nanomaterial-based
sensors
because
it
more
affordable,
scalable,
and
does
not
involve
any
harmful
contaminants
when
using
green
materials’
extracts
as
stabilizing
reducing
agents
nanoparticle
synthesis.
The
green-synthesized
nanoparticles
are
extremely
attractive
various
pharmaceutical
applications.
This
review
article
examines
the
most
preferred
eco-friendly
nanomaterials,
their
characterization,
applications
based
on
selected
studies
conducted
in
last
five
years.
It
concludes
that
allow
transformation
of
metals
into
or
materials
act
precursors
carbon-based
nanomaterials.
nanoscale
obtained
through
contribute
low
toxic,
environmentally
benign,
easy,
low-cost
sensing
enhanced
electrocatalytic
performance.
Abstract
Self‐powered
biosensors
(SPBs)
based
on
biofuel
cells
(BFCs)
use
electrical
output
as
a
sensing
signal
without
the
need
of
external
power
supplies,
providing
feasible
approach
to
constructing
miniaturized
implantable
or
portable
devices.
In
this
work,
novel
nanozyme
gold
nanoclusters/palladium
nanocubes
(AuNCs/PdNCs)
heterostructure
is
successfully
fabricated
develop
an
innovatively
self‐powered
and
non‐enzymatic
glucose
system.
The
AuNCs/PdNCs
with
oxidase
(GOD)‐like
activity
exhibits
superior
electrocatalytic
performance
toward
glucose.
BFCs‐based
SPBs
system,
established
(anodic
catalyst)
single
atomic
Fe
sites
coupled
carbon‐encapsulated
3
C
crystals
(Fe
C@C‐Fe
SACs
cathodic
platform,
exceptional
sensitivity
0.151
µW
cm
−2
m
−1
(3.4
times
higher
than
PdNCs),
outstanding
selectivity
robust
stability.
system
can
be
attributed
synergistic
cooperation
between
PdNCs
AuNCs.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Abstract
Moisture‐enabled
electric
generators
(MEGs)
are
emerging
as
a
transformative
energy
technology,
capable
of
directly
converting
ambient
moisture
into
electrical
without
producing
pollutants
or
harmful
emissions.
However,
the
widespread
application
MEGs
is
hindered
by
challenges
such
intermittent
output
and
low
current
densities,
which
limit
power
density
prevent
large‐scale
integration.
Here,
novel
cell
based
on
Al
ion‐F
coordination—specifically,
fluorinated
graphdiyne
(FGDY)
Al‐ion
(FGDY
AlMC)
introduced.
This
new
achieves
an
exceptionally
high
mass‐specific
371.36
µW
g
−
¹,
stable
(0.65
V
for
15
h),
broad
applicability
across
varying
humid
environments.
Density
functional
theory
(DFT)
calculations
reveal
that
large‐pore
molecular
structure
FGDY
significantly
reduces
diffusion
barriers
ions
compared
to
other
2D
carbon
materials.
Furthermore,
F
atoms
“hard
base”
effectively
coordinate
with
acid”
ions,
enhancing
ionic
conductivity,
accelerating
ion
migration,
promoting
generation
higher
number
mobile
cations.
These
combined
advantages
lead
marked
improvement
in
performance
AlMC.
findings
position
coordinated
highly
promising
candidate
development
high‐performance
MEG
active
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 4, 2025
Betavoltaic
(BV)
batteries
are
regarded
as
appealing
power
sources
due
to
their
high
energy
densities
and
long
lifetimes.
However,
the
low
efficiency
maximum
output
density
of
conventional
BV
self-absorption
effect
radioactive
sources,
which
consist
separate
beta-radioactive
semiconductor
absorbers,
limit
applications.
In
this
work,
we
optimized
compared
six
63NiO-related
heterojunction
nuclear
utilizing
Monte
Carlo
software
Geant4
finite
element
analysis
COMSOL
Multiphysics.
The
integrate
absorbers
overcome
shortcomings
batteries.
Furthermore,
proposed
a
parallel
connection
structure
graphene
electrode
layer
connect
two
63NiO/GaP
heterojunctions
based
on
optimal
one
from
in
order
maximize
density.
total
conversion
is
2.68%
[Formula:
see
text]
battery.
Finally,
investigated
time-related
performance
battery
within
200
years.
It
shows
that
decreases
beginning
at
