Multifunctional bio-enzyme sensor empowered by bound states in the continuum via a Si-VO₂ metasurface
Physica Scripta,
Год журнала:
2025,
Номер
100(4), С. 045504 - 045504
Опубликована: Фев. 21, 2025
Abstract
Bound
states
in
the
continuum
(BIC)
present
a
novel
avenue
for
advancing
high-quality
factor
metasurfaces,
promising
high-performance
lasers,
sensors,
and
nonlinear
optical
devices
at
nanoscale.
Currently,
sensors
designed
based
on
BIC
have
achieved
good
sensing
performance.
However,
functionality
of
current
metasurface
is
relatively
singular,
rendering
them
less
chance
complex
scenarios.
Specifically,
taking
bio-enzyme
sensor
as
an
example,
since
different
bio-enzymes
optimal
reaction
temperatures,
it
mostly
inescapable
to
design
multiple
detection.
In
this
paper,
we
developed
multifunctional
that
can
adapt
temperatures
bio-enzymes,
meeting
requirements
The
proposed
consists
two
elliptical
cylinders,
which
excite
high-Q
quasi-BIC
resonance
by
changing
their
rotation
angles.
By
introducing
VO
2
film,
external
ambient
temperature
effectively
manipulate
transmission
modulation
depth
quasi-BIC.
Simulation
results
show
maximum
relative
reach
296%.
When
combined
with
serves
refractive
index
sensitivity
high
370
nm
RIU
−1
30
°C
80
°C.
Our
work
provides
insights
highly
integrated
tunable
future.
Язык: Английский
Ultra-High-Efficiency Solar Capture Device Based on InAs Top Microstructure
Coatings,
Год журнала:
2024,
Номер
14(10), С. 1297 - 1297
Опубликована: Окт. 11, 2024
Research
on
how
to
efficiently
utilize
solar
energy
can
effectively
address
the
current
situation
where
excessive
carbon
emissions
threaten
natural
environment.
The
capture
device,
as
core
component
of
thermal
photovoltaic
system,
significantly
enhance
absorption
properties
which
is
high
research
value
in
application
area.
In
this
paper,
a
metamaterial
broadband
device
based
top
microstructure
semiconductor
InAs
material
proposed.
model
fabricated
from
bottom
with
at
Ti
make
hollow
cylindrical
microstructures,
and
combination
SiO2
film,
Cu
film
substrate.
addition
incorporating
metamaterials,
also
inspired
by
quantum-limited
domain
effect
nano-semiconductors
using
incorporation
microstructures
further
improve
model’s
properties.
was
calculated
have
an
average
280–2500
nm
waveband
96.15%
weighted
280–4000
97.71%
AM1.5.
Results
calculating
reflectivity
280–20,000
bands
show
that
higher
than
80%
all
after
wavelength
7940
nm,
so
has
certain
spectral
selectivity.
addition,
radiation
efficiency
waveband,
when
it
used
emitter,
reach
94.40%
paper.
Meanwhile,
good
angular
insensitivity,
potential
for
practical
applications.
Язык: Английский