Nano Letters,
Год журнала:
2023,
Номер
23(24), С. 11916 - 11924
Опубликована: Дек. 6, 2023
Developing
tunable
luminescent
materials
for
high
throughput
information
storage
is
highly
desired
following
the
explosive
growth
of
global
data.
Although
considerable
success
has
been
achieved,
achieving
programmable
encryption
remains
challenging
due
to
current
signal
crosstalk
problems.
Here,
we
developed
long-lived
room-temperature
phosphorescent
organogels
enabled
by
lanthanum-coordinated
hydrogen-bonded
organic
framework
nanofibers
time-resolved
programming.
Via
modulating
coassembled
lanthanum
concentration
and
Förster
resonance
energy
transfer
efficiency,
lifetimes
are
prolonged
facilely
manipulated
(20–644
ms),
realizing
encoding
space
enlargement
multichannel
data
outputs.
The
aggregated
strong
interfacial
supramolecular
bonding
endows
with
excellent
mechanical
toughness
(36.16
MJ
m–2)
self-healing
properties
(95.7%),
synergistically
photostability
(97.6%
lifetime
retention
in
10000
fatigue
cycles)
via
suppressing
nonradiative
decays.
This
work
presents
a
lifetime-gated
strategy
lanthanum-coordination
regulation
that
promisingly
breaks
through
limitations
responsive
materials,
opening
unprecedented
avenues
high-level
protection.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Март 26, 2024
Abstract
Mechanoluminescence
(ML)
sensing
technologies
open
up
new
opportunities
for
intelligent
sensors,
self-powered
displays
and
wearable
devices.
However,
the
emission
efficiency
of
ML
materials
reported
so
far
still
fails
to
meet
growing
application
requirements
due
insufficiently
understood
mechano-to-photon
conversion
mechanism.
Herein,
we
propose
quantify
ability
different
phases
gain
or
lose
electrons
under
friction
(defined
as
triboelectric
series),
reveal
that
inorganic-organic
interfacial
triboelectricity
is
a
key
factor
in
determining
composites.
A
positive
correlation
between
difference
series
intensity
established
composites,
20-fold
increase
finally
obtained
by
selecting
an
appropriate
combination.
The
triboelectricity-regulated
further
demonstrated
multi-interface
systems
include
inorganic
phosphor-organic
matrix
organic
matrix-force
applicator
interfaces,
again
confirmed
self-oxidization
reduction
centers
continuous
mechanical
stimulus.
This
work
not
only
gives
direct
experimental
evidences
underlying
mechanism
ML,
but
also
provides
guidelines
rationally
designing
high-efficiency
materials.
Advanced Materials,
Год журнала:
2024,
Номер
36(35)
Опубликована: Июль 5, 2024
Touch
control
intention
recognition
is
an
important
direction
for
the
future
development
of
human-machine
interactions
(HMIs).
However,
implementation
parallel-sensing
functional
modules
generally
requires
a
combination
different
logical
blocks
and
circuits,
which
results
in
regional
redundancy,
redundant
data,
low
efficiency.
Here,
location-and-pressure
intelligent
tactile
sensor
(LPI
sensor)
unprecedentedly
combined
with
sensing,
computing,
logic
proposed,
enabling
efficient
ultrahigh-resolution
action-intention
interaction.
The
LPI
eliminates
need
data
transfer
among
units
through
core
integration
design
layered
structure.
It
actuates
in-sensor
perception
feature
transmission,
fusion,
differentiation,
thereby
revolutionizing
traditional
von
Neumann
architecture.
While
greatly
simplifying
dimensionality,
achieves
outstanding
resolution
sensing
both
location
(<400
µm)
pressure
(75
Pa).
Synchronous
fusion
decoding
support
high-fidelity
action
combinatorial
intentions.
Benefiting
from
synergy,
demonstrates
robust
privacy
as
encrypted
password
device
interaction
intelligence
enhancement.
can
recognize
continuous
touch
actions
real
time,
map
intentions
to
target
events,
promote
accurate
intention-driven
HMIs.
Abstract
The
capacity
of
biological
tissues
to
undergo
self‐healing
is
crucial
for
the
performance
functions
and
continuation
life.
Conventional
intrinsic
materials
demonstrate
analogous
functionality
depending
on
dissociation‐recombination
reversible
bonds
with
no
need
extra
repair
agents.
However,
trade‐off
relationship
between
mechanical
strength
kinetics
in
systems,
coupled
lack
additional
functionality,
restricts
their
service
life
practical
applications.
Diversified
highly
ordered
structures
organisms
significantly
affect
energy
dissipation
mechanism,
signal
transmission
efficiency,
molecular
network
reconstruction
capability
due
multi‐dimensional
differentiated
macroscopic
composite
constructions,
microscopic
orientation
textures,
topologies/bonding
types
at
level.
These
architectures
exhibit
distinctive
strengthening
mechanisms
functionalities,
which
provide
valuable
references.
This
review
aims
providing
current
status
advanced
biomimetic
internal
micro/nanostructures.
Through
highlighting
specific
examples,
classifications,
design
inspirations,
fabrication
strategies
these
newly
developed
based
integrating
dynamic
interactions
nano/microstructures
are
outlined.
Furthermore,
balance
mechanisms,
structure–functionalization
relationships,
potential
application
values
discussed.
concludes
a
perspective
challenges,
opportunities,
prospects
development,
application,
promotion
self‐healable
bio‐like
architectures.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 3, 2025
Skin-like
sensors
capable
of
detecting
multiple
stimuli
simultaneously
have
great
potential
in
cutting-edge
human-machine
interaction.
However,
realizing
multimodal
tactile
recognition
beyond
human
perception
still
faces
significant
challenges.
Here,
an
extreme
environments-adaptive
triboelectric
sensor
was
developed,
pressure/temperatures
the
range
perception.
Based
on
nanogenerator
technology,
asymmetric
structure
independently
outputting
dual
signals
designed
to
improve
sensitivity.
By
converting
and
into
feature
matrices,
parallel
complex
objects
(with
a
rate
94%)
temperature
at
high
temperatures
achieved.
The
proposed
represents
progress
maximum
detection
rapid
response,
upper
limit
skin's
high-temperature
sensing
(60
°C)
with
working
200
°C.
self-powered
system
offers
wider
possibilities
for
human/robot/environment
interaction
applications.
Existing
struggle
environments.
authors
developed
heat-resistant
materials,
enabling
94%
object
rate,
fast
response
times,
stable
performance
up
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(40)
Опубликована: Апрель 15, 2024
Abstract
Fiber‐based
multimodal
sensors
with
electrical/optical
signals
are
highly
desired
for
next‐generation
wearable
electronics.
Despite
the
remarkable
progress
in
this
area,
achieving
large‐scale
knittable,
washable,
and
self‐healing
performance
fiber‐based
simultaneously
remains
a
great
challenge.
Here,
smart
fiber
capable
of
exhibiting
piezoresistive/luminescent
properties
based
on
an
H‐bonding
connected
multilayered
core–shell
nanostructure
is
developed.
The
core
principle
design
involves
constructing
strong
interfacial
interactions
between
layers,
which
results
sensor
high
sensitivity
(gauge
factor
=
12383500),
exceptional
water
resistance,
robust
(tensile
strength
30.9
MPa,
healing
efficiency
72.9%).
Unlike
traditional
where
elaborate
nanostructures
prone
to
shedding
during
knitting,
strategy
enables
excellent
knittability
be
patterned
fabric,
improving
both
optical
electrical
sensitivities.
This
work
anticipated
make
significant
contribution
further
development
electronic
products
visual
human–computer
interaction
devices.
