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
Nano-Micro Letters,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: Dec. 20, 2022
In
the
era
of
5G
and
Internet
things
(IoTs),
various
human-computer
interaction
systems
based
on
integration
triboelectric
nanogenerators
(TENGs)
IoTs
technologies
demonstrate
feasibility
sustainable
self-powered
functional
systems.
The
rapid
development
intelligent
applications
TENGs
mainly
relies
supplying
harvested
mechanical
energy
from
surroundings
implementing
active
sensing,
which
have
greatly
changed
way
human
production
daily
life.
This
review
introduced
TENG
in
multidiscipline
scenarios
IoTs,
including
smart
agriculture,
industry,
city,
emergency
monitoring,
machine
learning-assisted
artificial
intelligence
applications.
challenges
future
research
directions
toward
also
been
proposed.
extensive
developments
will
push
forward
into
an
autonomy
fashion.
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(21), P. 12105 - 12134
Published: Oct. 23, 2023
With
the
advancements
in
materials
science
and
micro/nanoengineering,
field
of
wearable
electronics
has
experienced
a
rapid
growth
significantly
impacted
transformed
various
aspects
daily
human
life.
These
devices
enable
individuals
to
conveniently
access
health
assessments
without
visiting
hospitals
provide
continuous,
detailed
monitoring
create
comprehensive
data
sets
for
physicians
analyze
diagnose.
Nonetheless,
several
challenges
continue
hinder
practical
application
electronics,
such
as
skin
compliance,
biocompatibility,
stability,
power
supply.
In
this
review,
we
address
supply
issue
examine
recent
innovative
self-powered
technologies
electronics.
Specifically,
explore
sensors
systems,
two
primary
strategies
employed
field.
The
former
emphasizes
integration
nanogenerator
sensing
units,
thereby
reducing
overall
system
consumption,
while
latter
focuses
on
utilizing
sources
drive
entire
system.
Finally,
present
future
perspectives
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(37)
Published: May 14, 2023
Abstract
Developing
versatile
and
high
sensitivity
sensors
is
beneficial
for
promoting
flexible
electronic
devices
human‐machine
interactive
systems.
Researchers
are
working
on
the
exploration
of
various
active
sensing
materials
toward
broad
detection,
multifunction,
low‐power
consumption.
Here,
a
ion‐gel
fibrous
membrane
presented
by
electrospinning
technology
utilized
to
construct
capacitive
triboelectric
nanogenerator
(TENG).
The
iontronic
sensor
exhibits
inherently
favorable
repeatability,
which
retains
long‐term
stability
after
5000
cycles.
can
also
detect
clear
pulse
waveform
at
human
wrist
enable
mapping
pressure
distribution
sensory
matrix.
For
TENG,
maximum
peak
power
54.56
µW
be
used
commercial
electronics.
In
addition,
prepared
TENG
array
achieve
interactive,
rapidly
responsive,
accurate
dynamic
monitoring,
broadens
direct
effective
devices.
promising
provide
an
outstanding
approach
physiological
biomechanical
energy
harvesting,
interaction,
self‐powered
monitoring
Nano Letters,
Journal Year:
2023,
Volume and Issue:
23(9), P. 3842 - 3850
Published: April 24, 2023
Memristors
that
emulate
synaptic
plasticity
are
building
blocks
for
opening
a
new
era
of
energy-efficient
neuromorphic
computing
architecture,
which
will
overcome
the
limitation
von
Neumann
bottleneck.
Layered
two-dimensional
(2D)
Bi2O2Se,
as
an
emerging
material
next-generation
electronics,
is
great
significance
in
improving
efficiency
and
performance
memristive
devices.
Herein,
high-quality
Bi2O2Se
nanosheets
grown
by
configuring
mica
substrates
face-down
on
powder.
Then,
bipolar
memristors
fabricated
with
excellent
including
ultrafast
switching
speed
(<5
ns)
low-power
consumption
(<3.02
pJ).
Moreover,
plasticity,
such
long-term
potentiation/depression
(LTP/LTD),
paired-pulse
facilitation
(PPF),
spike-timing-dependent
(STDP),
demonstrated
memristor.
Furthermore,
MNIST
recognition
simulated
artificial
neural
networks
(ANN)
based
conductance
modification
could
reach
high
accuracy
91%.
Notably,
2D
enables
memristor
to
possess
attributes,
showing
potential
applications.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(21), P. 14558 - 14565
Published: May 16, 2024
The
biological
neural
network
is
a
highly
efficient
in-memory
computing
system
that
integrates
memory
and
logical
functions
within
synapses.
Moreover,
reconfiguration
by
environmental
chemical
signals
endows
networks
with
dynamic
multifunctions
enhanced
efficiency.
Nanofluidic
memristors
have
emerged
as
promising
candidates
for
mimicking
synaptic
functions,
owing
to
their
similarity
synapses
in
the
underlying
mechanisms
of
ion
signaling
channels.
However,
realizing
signal-modulated
logic
nanofluidic
memristors,
which
basis
brain-like
applications,
remains
unachieved.
Here,
we
report
single-pore
memristor
reconfigurable
functions.
Based
on
different
degrees
protonation
deprotonation
functional
groups
inner
surface
single
pore,
modulation
are
realized.
More
noteworthy,
this
can
not
only
avoid
average
effects
multipore
but
also
act
fundamental
component
constructing
complex
through
series
parallel
circuits,
lays
groundwork
future
artificial
networks.
implementation
gates
signals,
diverse
combinations
opens
up
new
possibilities
applications
brain-inspired
computing.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(17), P. 9899 - 9948
Published: Aug. 28, 2024
Electronic
skins
(e-skins)
have
seen
intense
research
and
rapid
development
in
the
past
two
decades.
To
mimic
capabilities
of
human
skin,
a
multitude
flexible/stretchable
sensors
that
detect
physiological
environmental
signals
been
designed
integrated
into
functional
systems.
Recently,
researchers
increasingly
deployed
machine
learning
other
artificial
intelligence
(AI)
technologies
to
neural
system
for
processing
analysis
sensory
data
collected
by
e-skins.
Integrating
AI
has
potential
enable
advanced
applications
robotics,
healthcare,
human–machine
interfaces
but
also
presents
challenges
such
as
diversity
model
robustness.
In
this
review,
we
first
summarize
functions
features
e-skins,
followed
feature
extraction
different
models.
Next,
discuss
utilization
design
e-skin
address
key
topic
implementation
e-skins
accomplish
range
tasks.
Subsequently,
explore
hardware-layer
in-skin
before
concluding
with
an
opportunities
various
aspects
AI-enabled
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(21)
Published: Feb. 22, 2024
Abstract
Organic
ion‐gated
transistors
(OIGTs)
demonstrate
commendable
performance
for
versatile
neuromorphic
systems.
However,
due
to
the
fragility
of
organic
materials
solvents,
efficient
and
reliable
all‐photolithography
methods
scalable
manufacturing
high‐density
OIGT
arrays
with
multimode
functions
are
still
missing,
especially
when
all
active
layers
patterned
in
high‐density.
Here,
a
flexible
(9662
devices
per
cm
2
)
array
high
yield
minimal
device‐to‐device
variation
is
fabricated
by
modified
method.
The
unencapsulated
can
withstand
1000
times’
bending
at
radius
1
mm,
3
months’
storage
test
air,
without
obvious
degradation.
More
interesting,
OIGTs
be
configured
between
volatile
nonvolatile
modes,
suitable
constructing
reservoir
computing
systems
achieve
accuracy
classifying
handwritten
digits
low
training
costs.
This
work
proposes
promising
design
electronics
affordable
systems,
encompassing
both
algorithm
aspects.