ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(25), P. 16236 - 16247
Published: June 13, 2024
Retina-inspired
visual
sensors
play
a
crucial
role
in
the
realization
of
neuromorphic
systems.
Nevertheless,
significant
obstacles
persist
pursuit
achieving
bidirectional
synaptic
behavior
and
attaining
high
performance
context
photostimulation.
In
this
study,
we
propose
reconfigurable
all-optical
controlled
device
based
on
IGZO/SnO/SnS
heterostructure,
which
integrates
sensing,
storage
processing
functions.
Relying
simple
heterojunction
stack
structure
energy
band
engineering,
excitatory
inhibitory
behaviors
can
be
observed
under
light
stimulation
ultraviolet
(266
nm)
visible
(405,
520
658
without
additional
voltage
modulation.
particular,
junction
field-effect
transistors
heterostructure
were
fabricated
to
elucidate
underlying
photoresponse
mechanism.
addition
optical
signal
processing,
an
artificial
neural
network
simulator
optoelectrical
synapse
was
trained
recognized
handwritten
numerals
with
recognition
rate
91%.
Furthermore,
prepared
8
×
array
successfully
demonstrated
process
perception
memory
for
image
human
brain,
as
well
simulated
situation
damage
retina
by
light.
This
work
provides
effective
strategy
development
high-performance
optoelectronic
synapses
practical
approach
design
multifunctional
vision
Materials Horizons,
Journal Year:
2023,
Volume and Issue:
10(9), P. 3269 - 3292
Published: Jan. 1, 2023
Summary
schematic
of
this
review
regarding
transistor-based
synapses
including
materials,
device
structures,
functional
simulation
and
system
application.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(25), P. 30486 - 30494
Published: June 14, 2023
Flexible
tactile
sensors
with
high
sensitivity,
a
broad
pressure
detection
range,
and
resolution
are
highly
desired
for
the
applications
of
health
monitoring,
robots,
human-machine
interface.
However,
it
is
still
challenging
to
realize
sensor
sensitivity
over
wide
range.
Herein,
solve
abovementioned
problem,
we
demonstrate
universal
route
develop
sensitive
The
composed
two
layers
microstructured
flexible
electrodes
modulus
conductive
cotton
fabric
low
modulus.
By
optimizing
sensing
films,
fabricated
shows
8.9
×
104
kPa-1
from
2
Pa
250
kPa
because
structural
compressibility
stress
adaptation
multilayered
composite
films.
Meanwhile,
fast
response
speed
18
ms,
an
ultrahigh
100
kPa,
excellent
durability
20
000
loading/unloading
cycles
demonstrated.
Moreover,
6
array
promising
potential
application
in
electronic
skin
(e-skin).
Therefore,
employing
films
novel
strategy
achieve
high-performance
perception
real-time
monitoring
artificial
intelligence.
InfoMat,
Journal Year:
2023,
Volume and Issue:
5(12)
Published: Aug. 29, 2023
Abstract
Expanding
wearable
technologies
to
artificial
tactile
perception
will
be
of
significance
for
intelligent
human–machine
interface,
as
neuromorphic
sensing
devices
are
promising
candidates
due
their
low
energy
consumption
and
highly
effective
operating
properties.
Skin‐compatible
conformable
features
required
the
purpose
realizing
perception.
Here,
we
report
an
intrinsically
stretchable,
skin‐integrated
system
with
triboelectric
nanogenerators
organic
electrochemical
transistors
information
processing.
The
integrated
provides
desired
sensing,
synaptic,
mechanical
characteristics,
such
sensitive
response
(~0.04
kPa
−1
)
low‐pressure,
short‐
long‐term
synaptic
plasticity,
great
switching
endurance
(>10
000
pulses),
symmetric
weight
update,
together
high
stretchability
100%
strain.
With
neural
encoding,
demonstrations
capable
recognizing,
extracting,
encoding
information.
This
work
a
feasible
approach
wearable,
skin‐conformable
application
prospects
in
robotics
replacement
prosthetics.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(25), P. 16236 - 16247
Published: June 13, 2024
Retina-inspired
visual
sensors
play
a
crucial
role
in
the
realization
of
neuromorphic
systems.
Nevertheless,
significant
obstacles
persist
pursuit
achieving
bidirectional
synaptic
behavior
and
attaining
high
performance
context
photostimulation.
In
this
study,
we
propose
reconfigurable
all-optical
controlled
device
based
on
IGZO/SnO/SnS
heterostructure,
which
integrates
sensing,
storage
processing
functions.
Relying
simple
heterojunction
stack
structure
energy
band
engineering,
excitatory
inhibitory
behaviors
can
be
observed
under
light
stimulation
ultraviolet
(266
nm)
visible
(405,
520
658
without
additional
voltage
modulation.
particular,
junction
field-effect
transistors
heterostructure
were
fabricated
to
elucidate
underlying
photoresponse
mechanism.
addition
optical
signal
processing,
an
artificial
neural
network
simulator
optoelectrical
synapse
was
trained
recognized
handwritten
numerals
with
recognition
rate
91%.
Furthermore,
prepared
8
×
array
successfully
demonstrated
process
perception
memory
for
image
human
brain,
as
well
simulated
situation
damage
retina
by
light.
This
work
provides
effective
strategy
development
high-performance
optoelectronic
synapses
practical
approach
design
multifunctional
vision
