Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Wearable
electronics
require
stretchable
displays
that
can
withstand
large
and
repeated
mechanical
deformation
without
failure.
Intrinsically
organic
light-emitting
diodes
(ISOLEDs)
operate
under
DC
voltage
provide
promising
candidates
for
wearable
display
applications.
However,
the
lack
of
sophisticated
materials
processing
techniques
suitable
ISOLEDs
results
in
a
significant
deficit
efficiency
state-of-the-art
compared
to
industrial
standards.
The
design
conducting
semiconducting
poses
challenge
because
trade-off
relationships
between
stretchability
properties
such
as
conductivity
charge
carrier
mobility.
To
increase
meet
standards,
strategies
overcome
these
trade-offs
must
be
developed.
This
perspective
discusses
recent
progress
challenges
designing
electrodes,
materials,
transport
potential
applications
ISOLEDs.
It
provides
useful
guide
this
field
develop
efficient
system-level
integration.
Small Structures,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
Carbon
dots
(CDs)
are
fluorescent
carbon
nanomaterials
that
considered
for
applications
in
optoelectronics,
sensorics,
and
biofields
due
to
their
low‐cost
robust
synthesis,
versatile
optical
properties.
Herein,
it
is
demonstrated
how
chemical
functionalization
of
hydrophilic
or
amphiphilic
CDs
with
polyethylene
glycol
influences
energy
level
structure
hence
the
emission
Functionalization
results
an
increase
quantum
yield:
from
30%
75%
20%
25%
CDs.
The
estimated
absolute
values
levels,
including
highest
occupied
molecular
orbital
lowest
unoccupied
energies,
dependent
on
composition
size
Moreover,
glycol‐functionalized
CD
can
form
good
quality
films
based
composite
polyvinylcarbazole
(PVK),
together
intense
crucial
light‐emitting
diode
(LED)
fabrication.
By
studying
spectral
properties
fabricated
CD‐LEDs,
shown
electroluminescence
(EL)
originates
mixed
levels
PVK
composite,
resulting
shifting
EL
maximum
blue
green
during
several
seconds
LED
operation.
optimized
CD‐LEDs
show
brightness
up
2600
cd
m
−2
.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
495, P. 153531 - 153531
Published: June 27, 2024
Substrates
form
the
backbone
of
most
flexible
electronic
devices.
This
study
reports
sustainable
substrates
based
on
a
new
class
cross-linked
poly(glycerol-co-δ-valerolactone)
urethanes
for
and
stretchable
A
cost-effective
method
is
described
preparing
these
via
thermal
cross-linking
polymerization
triol
with
diisocyanates
glass
mold.
The
developed
display
high
flexibility,
stretchability
(∼673
%),
transparency
(∼90
stability
(∼300
°C),
degradability,
essential
next-generation
Using
synthesized
polymers
as
substrates,
we
develop
transparent
conducting
electrodes
(TCEs).
An
innovative
fabrication
technique
involves
applying
thin
electrospun
polyvinyl
alcohol
(PVA)
nanofiber
mat
wet
film
leveling
agent
to
enhance
adhesion
even
distribution
sprayed
silver
nanowires.
Through
heat
pressure-based
nanowelding
nanowire
junctions,
create
TCEs
uniform
conductivity,
low
sheet
resistance
(∼40
Ω
sq−1),
good
(∼70
%).
To
demonstrate
versatility
TCEs,
fabricated
devices
like
capacitive
sensors,
curvature
strain
heaters.
TCE
sensor
exhibits
creep
consistent
performance
from
5–45
%
strain,
maintaining
signal
over
200
cycles
at
10
kPa.
pressure
responds
pressures
0.5–300
kPa
maximum
sensitivity
2.43
kPa−1
least
2600
cycles.
shows
increased
capacitance
curvatures
up
600
m−1.
heater
reaches
85
°C
in
under
s
5.5
V
rapidly
0–35
strain.
These
effectively
detect
human
motion,
serving
wearable
sensors
heaters
cold
conditions,
demonstrating
real-life
applicability.
Nanophotonics,
Journal Year:
2024,
Volume and Issue:
13(6), P. 859 - 879
Published: Feb. 29, 2024
Artificial
vision
systems
pervade
our
daily
lives
as
a
foremost
sensing
apparatus
in
various
digital
technologies,
from
smartphones
to
autonomous
cars
and
robotics.
The
broad
range
of
applications
for
conventional
requires
facile
adaptation
under
extreme
dynamic
visual
environments.
However,
these
current
needs
have
complicated
individual
components
high-quality
image
acquisition
processing,
which
indeed
leads
decline
efficiency
the
overall
system.
Here,
we
review
recent
advancements
high-performance
processing
based
on
strategies
biological
eyes
that
execute
diverse
imaging
functionalities
sophisticated
processes
with
simple
concise
ocular
structures.
This
first
covers
structures
functions
(i.e.,
single-lens
compound
eyes),
contain
micro-optic
nanophotonic
After
that,
focus
their
inspirations
optics/photonics,
light-trapping
filtering
components,
retinomorphic
devices.
We
discuss
remaining
challenges
notable
waiting
be
implemented.
Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
12(19)
Published: May 11, 2024
Abstract
Organic
photodetectors
(OPDs)
have
attracted
immense
interest
as
solution‐processable
optical
signal‐capturing
devices
due
to
their
various
advantages,
such
adjustable
response
range,
excellent
weak
light
response,
lightweight,
flexibility,
and
ease
of
processing
on
diverse
substrates.
Low
dark
current
density
(
J
d
)
high
responsivity
R
are
key
requirements
necessary
for
achieving
a
specific
detectivity
D
*).
Here,
an
effective
strategy
preparing
high‐performance
OPDs
with
potential
micro
p‐i‐n
structure
by
introducing
insulating
poly(aryl
ether)
(PAEN)
into
the
organic
photosensitive
layer
is
reported.
The
PM6:PC
71
BM‐based
capable
significantly
suppressing
while
increasing
,
which
can
be
attributed
multiple
optimizations
morphology
charge
transport
caused
addition
PAEN.
As
result,
value
(3.63
×
10
−10
A
cm
−2
two
orders
magnitude
lower
than
that
device
without
PAEN
(1.00
−8
at
−1
V
bias.
Combined
increased
0.376
W
optimized
achieves
*of
3.45
13
Jones
(−1
620
nm).
demonstrate
performance
comparable
commercial
Si
(Hamamatsu
S1133),
paving
way
direct
market
development
this
cost‐effective
photodetection
technology.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(32), P. 21523 - 21533
Published: July 26, 2024
Short-wave
infrared
(SWIR)
light-emitting
diodes
(LEDs)
have
emerged
as
promising
technologies
for
diverse
applications
such
optical
communication,
biomedical
imaging,
surveillance,
and
machine
vision.
Colloidal
quantum
dots
(QDs)
are
particularly
attractive
SWIR
LEDs
due
to
their
solution
processability,
compatibility
with
flexible
substrates,
tunable
absorption
luminescence.
However,
the
presence
of
toxic
elements
or
precious
metals
in
most
SWIR-emitting
QDs
poses
health,
environmental,
cost
challenges.
In
this
context,
CuInS2
(CIS)
known
low
toxicity,
cost-effective
fabrication,
SWIR-light
emitting
capability.
CIS
not
yet
been
directly
utilized
fabricate
date,
which
is
particle
stability,
inefficient
charge
carrier
recombination,
significantly
blue-shifted
luminescence
after
integrating
into
LED
devices.
To
address
challenges,
we
propose
a
dual-passivation
strategy
using
ZnI2
chemical
additive
enhance
both
property
plain
recombination
upon
device
implementation.
The
resulting
CIS-QD-based
exhibit
stable
electroluminescence
(EL)
peak
(over
1000
nm)
high
EL
radiance
record
external
efficiency
region.
Our
study
represents
significant
step
forward
SWIR-QLED
technology,
offering
pathway
development
high-performance,
low-cost,
nontoxic
light
sources.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 14, 2024
In
robotics,
particularly
for
autonomous
navigation
and
human-robot
collaboration,
the
significance
of
unconventional
imaging
techniques
efficient
data
processing
capabilities
is
paramount.
The
unstructured
environments
encountered
by
robots,
coupled
with
complex
missions
assigned
to
them,
present
numerous
challenges
necessitating
diverse
visual
functionalities,
consequently,
development
multifunctional
robotic
vision
systems
has
become
indispensable.
Meanwhile,
rich
diversity
inherent
in
animal
systems,
honed
over
evolutionary
epochs
meet
their
survival
demands
across
varied
habitats,
serves
as
a
profound
source
inspirations.
Here,
recent
advancements
drawing
inspiration
from
natural
ocular
structures
perception
mechanisms
are
delineated.
First,
unique
functionalities
eyes
terrestrial,
aerial,
aquatic
habitats
signal
mechanism
humans
explored.
Then,
designs
bio-inspired
electronic
explored,
engineered
mimic
key
components
underlying
optical
principles
eyes.
Furthermore,
neuromorphic
image
sensors
discussed,
emulating
functional
properties
synapses,
neurons,
retinas
thereby
enhancing
accuracy
efficiency
tasks.
Next,
integration
examples
mobile
robotic/biological
introduced.
Finally,
forward-looking
outlook
on
provided.
International Journal of Optomechatronics,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: April 14, 2024
In
the
realm
of
optical
technologies,
integration
nature's
designs
and
modern
engineering
has
paved
way
for
groundbreaking
innovations.
Bio-inspired
tunable
optics
photonics,
drawing
from
intricate
mechanisms
found
in
biological
systems,
offer
a
new
frontier
adaptive
efficient
light
management.
Here,
this
review
presents
comprehensive
examination
principles,
advancements,
applications
natural
light-manipulation
adaptation
mechanisms,
highlighting
their
translation
into
artificial
photonic
structures.
Emphasizing
remarkable
potential
bio-inspired
particularly
those
emulating
functionalities
eyes
skins,
it
explores
current
state
devices.
Our
categorizes
these
systems
two
foundational
mechanisms:
light-adaptation,
illustrating
wide-ranging
implications
consumer
electronics
to
next-generation
technologies.
This
also
highlights
challenges
prospects
photonics.
It
emphasizes
role
promoting
properties
multifunctional
devices,
providing
revolutionary
opportunities
across
various
sectors,
including
military
everyday
life,
thus
surpassing
cutting-edge
Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
45(16)
Published: June 14, 2024
Stretchable
conjugated
polymers
with
conjugation
break
spacers
(CBSs)
synthesized
via
random
terpolymerization
have
gained
considerable
attention
because
of
their
efficacy
in
modulating
mobility
and
stretchability.
This
study
incorporates
a
series
dianhydrohexitol
diastereomers
isosorbide
(ISB)
isomannide
(IMN)
units
into
the
diketopyrrolopyrrole-based
backbone
as
CBSs.
It
is
found
that
distorted
CBS
improves
mobility-stretchability
properties
polymer
highly
coplanar
backbone,
whereas
extended
enhances
those
noncoplanar
backbone.
Additionally,
different
configurations
ISB
IMN
sufficiently
affect
solid-state
packing,
aggregation
capabilities,
crystallographic
parameters,
polymer.
The
IMN-based
exhibit
highest
1.69
cm
