This
paper
introduces
an
origami
metastructure
(OMST),
which
realizes
the
conversion
of
electromagnetically
induced
transparency
(EIT)
to
absorption
(EIA),
and
liquid
crystal
adjustable
curvature
sensing
(CS)
function
using
EIA.
The
OMST
consists
upper
resonator
(resonator
1)
a
lower
2).
Resonator
1
achieves
EIT
phenomenon
when
0–2
THz
is
excited
by
electromagnetic
wave
(EMW),
transparent
window
appears
at
0.883
THz.
When
2
introduced,
phase
regulated
changes
peak
0.998
THz,
value
0.937.
uses
flexible
material
polyimide,
injected
between
resonators
layers
nematic
(HTW114200-100).
used
on
cylindrical
surfaces
CS
measure
their
curvature.
In
initial
state,
EMW
incident,
resonance
frequency
from
1.006
corresponding
absorptivity
0.937
0.650
(from
0.924
0.613
in
bias
state).
Regarding
CS,
can
be
for
detection
micrometer
class,
with
range
0–0.02
μm.
maximum
measurement
sensitivity
32.230
(33.690),
quality-factor
41.859
(40.840).
Traditional
usually
made
optical
fiber,
but
because
fragility
fiber
sensors,
it
difficult
directly
apply
various
objects.
However,
OMST's
design
overcomes
this
shortcoming
simple
manufacture.
has
high
accuracy
detect
small
objects,
potential
application
flatness
intelligent
robots.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
17(9), С. 14243 - 14249
Опубликована: Фев. 19, 2025
Flexible
colloidal
quantum
dot
(QD)
optoelectronics
apply
the
superior
properties
of
QDs
to
flexible
devices,
exhibiting
unique
advantages
in
fields
imagers,
solar
cells,
displays,
wearable
sensors,
on-skin
electronics,
robotics,
and
bioimaging.
Here,
we
show
that
QD
photodiodes
(QDPDs)
with
an
ultrathin
absorber
layer
have
record
bending
stability
100,000
repetitive
cycles
devices.
The
QDPDs
obtained
a
high-quality
p-n
junction
1700
rectification
ratio.
formation
Fabry-Pérot
cavity
by
layered
stack
results
3.4-fold
enhanced
light
absorption,
while
structure
ensures
near-unity
efficient
extraction
(97%)
photogenerated
charge
carriers
from
PbS
film
upon
illumination
1330
nm
short-wavelength
infrared
light.
Finally,
suppression
capacitance
effect,
response
time
this
QDPD
can
be
as
short
20
ns,
which
is
fastest
for
QDPDs.
Energies,
Год журнала:
2025,
Номер
18(5), С. 1192 - 1192
Опубликована: Фев. 28, 2025
The
transition
from
fossil
fuels
to
renewable
energy
(RE)
sources
is
an
essential
step
in
mitigating
climate
change
and
ensuring
environmental
sustainability.
However,
large-scale
deployment
of
renewables
accompanied
by
new
challenges,
including
the
growing
demand
for
rare-earth
elements,
need
recycling
end-of-life
equipment,
rising
footprint
digital
tools—particularly
artificial
intelligence
(AI)
models.
This
systematic
review,
following
Preferred
Reporting
Items
Systematic
Reviews
Meta-Analyses
(PRISMA)
guidelines,
explores
how
lightweight,
distilled
AI
models
can
alleviate
computational
burdens
while
supporting
critical
applications
systems.
We
examined
empirical
conceptual
studies
published
between
2010
2024
that
address
energy,
circular
economy
paradigm,
model
distillation
low-energy
techniques.
Our
findings
indicate
adopting
significantly
reduce
consumption
data
processing,
enhance
grid
optimization,
support
sustainable
resource
management
across
lifecycle
infrastructures.
review
concludes
highlighting
opportunities
challenges
policymakers,
researchers,
industry
stakeholders
aiming
integrate
principles
into
RE
strategies,
emphasizing
urgent
collaborative
solutions
incentivized
policies
encourage
low-footprint
innovation.
Physica Scripta,
Год журнала:
2024,
Номер
99(6), С. 065543 - 065543
Опубликована: Май 3, 2024
Abstract
In
this
paper,
an
ultra-thin
sub-terahertz
multi-band
terahertz
metamaterial
absorber
is
proposed,
its
cell
consists
of
three
concentric
ring
resonators
with
the
same
opening
direction,
which
can
realize
discrete
absorption
peaks
in
frequency
domain.
The
are
mainly
formed
when
open
circular
interact
each
other,
and
superposition
creates
a
three-band
absorption.
physical
mechanisms
illustrated
by
electric
fields
surface
current
distributions
peaks.
Adjustment
effect
could
be
obtained
altering
dimensions
cleft
resonator.
By
fixing
changing
these
will
couple
to
other
play
important
role
regulating
frequency,
intensity,
number
Moreover,
structure
combined
vanadium
dioxide,
phase
change
material,
actively
modulate
addition,
has
characteristics
polarization-sensitive
wide-angle,
extensive
applications
domains
security
detection,
biomedicine
communication.
Nanomaterials,
Год журнала:
2025,
Номер
15(2), С. 86 - 86
Опубликована: Янв. 8, 2025
Artificial
microstructures,
especially
metamaterials,
have
garnered
increasing
attention
in
numerous
applications
due
to
their
rich
and
distinctive
properties.
Starting
from
the
principle
of
multi-beam
interference,
we
theoretically
devised
a
beam
configuration
consisting
six
symmetrically
distributed
coherent
beams
generate
two-dimensional
microstructures
with
diverse
shapes
unitcells
under
different
polarization
combinations.
In
particular,
split-ring
metamaterial
template
is
achieved
two
adjacent
circularly
four
linearly
polarized
such
single-step
holographic
interferometry.
Furthermore,
simulation
results
show
that
orientation
shape
unitcell
can
be
accurately
adjusted
by
controlling
position,
degree,
or
power
ratio
beams.
The
optimal
parameters
produce
high-quality
contrast
higher
than
0.97
are
obtained.
These
provide
useful
guidance
for
effective
low-cost
fabrication
metamaterials
unitcells.
