An Optically Modulated Hydrogel Synapse for Multilevel Information Decryption
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 30, 2025
Abstract
The
increasing
significance
of
data
security
promotes
the
development
multilevel
information
encryption
and
decryption
techniques.
However,
realization
logical
outputs
modulated
by
multiple
stimuli
is
challenging
in
design
advanced
functional
materials.
Herein,
a
system
with
combination
visual
digital
that
responds
to
dual‐optical
inputs
developed
based
on
hydrogel‐based
synaptic
device.
ammonium
molybdate
nanoparticles
calcium
alginate
supramolecular
networks
incorporated
into
polyacrylamide
hydrogel
enable
optically
regulated
color
change
ionic
conductivity.
Under
UV
irradiation,
reduction
allows
as
outputs.
Meanwhile,
conductivity
can
be
near‐infrared
(NIR)
optical
pulses
emulate
plasticity
biological
synapses,
producing
NIR‐mediated
As
demonstration,
strategy
provided
using
array
combines
decoding
camouflage.
Moreover,
short‐term
synapse
endows
time‐dependent
decryption,
which
improves
reduces
risk
leakage.
This
study
contributes
advancing
systems
providing
an
effective
technique
for
integrating
Язык: Английский
Smart Wrinkled Interfaces: Patterning, Morphing, and Coding of Polymer Surfaces by Dynamic Anisotropic Wrinkling
Langmuir,
Год журнала:
2024,
Номер
40(36), С. 18837 - 18856
Опубликована: Авг. 29, 2024
In
contrast
to
traditional
static
surfaces,
smart
patterned
surfaces
with
periodical
and
reversible
morphologies
offer
limitless
opportunities
for
encoding
surface
functions
properties
on
demand,
facilitating
their
widespread
application
as
functional
building
blocks
in
various
devices.
Advances
intelligently
controlling
the
macroscopic
of
these
have
been
accomplished
through
techniques
(such
three-dimensional
printing,
imprint
lithography
femtosecond
laser)
responsive
materials.
sophisticated
above,
dynamic
anisotropic
wrinkling,
taking
advantage
programmable
manipulation
wrinkling
its
orientation,
offers
a
powerful
alternative
fabricating
patterns
due
spontaneous
formation,
versatility,
convenient
scale-up
fabrication,
sensitivity
stimuli.
This
review
comprehensively
summarizes
recent
advances
oriented
wrinkles,
covering
design
principles,
fabrication
techniques,
representative
types
physical
chemical
stimuli,
well
fine-tuning
wrinkle
dimensions
orientation.
Finally,
advanced
applications
are
presented,
along
discussion
current
challenges
future
prospects
this
rapidly
evolving
field.
would
some
insights
guidelines
designing
engineering
novel
stimuli-responsive
wrinkled
thereby
sustainable
development
progressing
toward
commercialization.
Язык: Английский
Reconfigurable wrinkles of a patterned liquid crystal network coating activated by polarized light
International Journal of Non-Linear Mechanics,
Год журнала:
2024,
Номер
unknown, С. 104983 - 104983
Опубликована: Дек. 1, 2024
Язык: Английский
Computational Imaging Encryption with Steganography and Lanthanide Luminescent Materials
Mengyang Lu,
Yao Xie,
Jiwei Li
и другие.
Laser & Photonics Review,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 9, 2024
Abstract
Optical
encryption
is
a
potential
scheme
for
information
security
that
exploits
abundant
degrees
of
freedom
light
to
encode
information.
However,
conventional
based
on
fluorescent
materials
faces
challenges
in
handling
complex
secret
Alternatively,
single‐pixel
imaging
(SPI)
provides
computational
modality
solve
these
problems.
In
this
study,
high‐capacity
fluorescence
scheme,
achieved
by
introducing
lanthanide
and
steganography
into
the
encoding
decoding
processes
SPI
proposed.
Two
types
well‐designed
luminescent
are
utilized
excited
generate
images
(fluo‐images),
which
crucial
scheme.
Various
practical
experiments
using
fluo‐images
as
keys
demonstrate
robustness,
effectiveness,
repeatability
Furthermore,
multi‐image
indicate
method
increase
capacity.
Thus,
proposed
does
provide
an
efficient
strategy
security,
can
improve
traditional
optical
simultaneously
enhance
flexibility
decryption.
Язык: Английский
Near‐Infrared Luminescent Imaging‐Based 3D QR Cube Platform for Spatial Information Storage and Security
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 16, 2024
Abstract
The
growing
significance
of
information
technology
requires
advanced
storage
and
security
solutions.
While
extending
traditional
2D
codes
with
additional
parameters
has
led
to
promising
3D
codes,
increasing
capacity
remains
challenging.
Herein,
a
quick
response
(QR)
cube
platform
that
utilizes
near‐infrared
(NIR)‐to‐NIR
upconversion
nanoparticles
as
light‐emitting
probes,
benefiting
from
their
photostability
low
scattering
properties.
These
features
enable
precise
reconstruction
the
QR
cube.
employs
volumetric
space
for
encoding
by
leveraging
spatial
in
environment,
demonstrating
potential
significantly
increase
facilitate
access
all
three
dimensions
(x,
y,
z),
while
enhancing
security.
This
study
develops
analyzing
reconstructing
cubes
using
NIR
imaging
convolutional
neural
network
model
determine
structure
image
intensity
variations,
achieving
99.9%
accuracy
predicting
configurations.
By
logical
circuits,
encryption
method
surpass
strength
codes.
findings
demonstrate
high
prediction
introduce
new
possibilities
multi‐level
keys
space,
offering
robust
solution
Язык: Английский