ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
7(1), P. 193 - 201
Published: Dec. 20, 2024
To
address
the
challenges
faced
by
a
traditional
computing
system
with
von
Neumann
architecture,
various
artificial
synapses
and
neurons
have
been
developed.
In
this
work,
two-terminal
device
was
developed
using
an
organic
p-type
semiconductor
copper
phthalocyanine
(CuPc)
molecular
ferroelectric
diisopropylammonium
bromide
(DIPAB).
The
incorporation
of
layer
DIPAB
not
only
introduces
energy
barrier
for
migration
photogenerated
carriers
to
enhance
device's
synaptic
performance
but
also
enables
modulation
response
light
pulses
changing
polarization
state
DIPAB.
successfully
mimics
biological
functions
including
paired-pulse
facilitation
(PFF),
spike-rate-dependent
plasticity
(SRDP),
spike-number-dependent
(SNDP).
is
employed
recognize
MNIST
handwritten
digits,
achieving
recognition
rate
over
75%
digits
even
50%
noise
interference.
These
results
suggest
potential
neuromorphic
computing.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 19, 2025
Abstract
With
the
rapid
advancement
of
2D
material‐based
optoelectronic
devices,
significant
progress
is
made
in
development
all‐optical
logic
synaptic
biomimetic
and
multidimensional
detection
systems.
As
entering
to
high‐speed
information
era,
there
an
urgent
demand
for
complex,
compact,
multifunctional,
low‐energy,
intelligent
sensing
chips.
Examining
evolution
current
technologies
reveals
a
parallel
bipolar
response
mechanisms‐from
simple
positive
negative
responses
more
intricate
inhibition‐promotion
dynamics
with
persistent
characteristics.
This
significantly
broadens
their
applications
devices.
Moreover,
compared
unipolar
responses,
complex
offer
greater
flexibility
adaptation
unique
one‐to‐one
mapping
high‐dimensional
parameters
such
as
polarization,
phase,
spectrum,
positioning
them
promising
candidates
breakthroughs
resolution.
In
this
review,
design
strategies
are
comprehensively
explored
various
materials,
highlighting
deep
advanced
fields.
It
aimed
review
provide
broad
overview
bi‐directional
mechanisms,
offering
inspiration
designing
next
generation
Agriculture,
Journal Year:
2024,
Volume and Issue:
14(11), P. 1977 - 1977
Published: Nov. 4, 2024
Neuromorphic
computing
has
received
more
and
attention
recently
since
it
can
process
information
interact
with
the
world
like
human
brain.
Agriculture
is
a
complex
system
that
includes
many
processes
of
planting,
breeding,
harvesting,
processing,
storage,
logistics,
consumption.
Smart
devices
in
association
artificial
intelligence
(AI)
robots
Internet
Things
(IoT)
systems
have
been
used
also
need
to
be
improved
accommodate
growth
computing.
great
potential
promote
development
smart
agriculture.
The
aim
this
paper
describe
current
principles
neuromorphic
technology,
explore
examples
applications
agriculture,
consider
future
route
synapses,
neurons,
neural
networks
(ANNs).
A
expected
improve
agricultural
production
efficiency
ensure
food
quality
safety
for
nutrition
health
agriculture
future.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Abstract
Ultraviolet
band
C
photodetectors
(UVC
PDs),
which
can
convert
the
UVC
light
(200–280
nm)
signals
into
detectable
signals,
have
received
tremendous
attention
due
to
their
wide
applications
in
bio‐medicine,
communications,
and
imaging
fields.
However,
current
research
primarily
focuses
on
either
conversion
of
electrical
or
its
visible
signals.
Here,
a
flexible
dual‐detectable
PD
based
Ca
2
Nb
3
O
10
nanosheets
CsCu
I
film
is
reported,
simultaneously
achieving
visual
detection
for
invisible
light.
The
exhibits
exceptional
self‐powered
(270
nm;
1.87
mW
cm
−2
)
abilities
with
high
responsivity
(R)
16.7
mA
W
−1
,
an
impressive
detectivity
6.1
×
11
Jones,
on/off
ratio
3789,
ultra‐high
UVC/UVA
(R
270
/R
360
rejection
2.1
5
.
shows
great
application
potential
safety
communication
real‐time
imaging.
This
work
proposes
new
type
through
material
selection
structural
design,
thereby
inspiring
novel
ideas
enhance
convenience
practicality
photodetection.
Journal of Semiconductors,
Journal Year:
2025,
Volume and Issue:
46(2), P. 021401 - 021401
Published: Feb. 1, 2025
Abstract
The
traditional
von
Neumann
architecture
has
demonstrated
inefficiencies
in
parallel
computing
and
adaptive
learning,
rendering
it
incapable
of
meeting
the
growing
demand
for
efficient
high-speed
computing.
Neuromorphic
with
significant
advantages
such
as
high
parallelism
ultra-low
power
consumption
is
regarded
a
promising
pathway
to
overcome
limitations
conventional
computers
achieve
next-generation
artificial
intelligence.
Among
various
neuromorphic
devices,
synapses
based
on
electrolyte-gated
transistors
stand
out
due
their
low
energy
consumption,
multimodal
sensing/recording
capabilities,
multifunctional
integration.
Moreover,
emerging
optoelectronic
devices
which
combine
strengths
photonics
electronics
have
substantial
potential
field.
Therefore,
this
article
reviews
recent
advancements
transistors.
First,
provides
an
overview
neurons,
discussing
aspects
device
structures,
operating
mechanisms,
functionalities.
Next,
applications
different
areas
visual
system,
pain
tactile
perception
systems
are
elaborated.
Finally,
current
challenges
summarized,
future
directions
developments
proposed.
Journal of Semiconductors,
Journal Year:
2025,
Volume and Issue:
46(2), P. 021404 - 021404
Published: Feb. 1, 2025
Abstract
Recently,
for
developing
neuromorphic
visual
systems,
adaptive
optoelectronic
devices
become
one
of
the
main
research
directions
and
attract
extensive
focus
to
achieve
transistors
with
high
performances
flexible
functionalities.
In
this
review,
based
on
a
description
biological
functions
that
are
favorable
dynamically
perceiving,
filtering,
processing
information
in
varying
environment,
we
summarize
representative
strategies
achieving
these
adaptabilities
transistors,
including
adaptation
detecting
information,
synaptic
weight
change,
history-dependent
plasticity.
Moreover,
key
points
corresponding
comprehensively
discussed.
And
applications
color
detection,
signal
extending
response
range
light
intensity,
improve
learning
efficiency,
also
illustrated
separately.
Lastly,
challenges
faced
transistor
artificial
vision
system
The
inspired
expected
provide
insights
design
application
next-generation
systems.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 8, 2024
Abstract
Optoelectronic
devices
with
imaging
and
recognition
capabilities
are
crucial
for
developing
artificial
visual
system
(AVS).
Bias‐switchable
photodetection
photosynaptic
have
been
developed
using
2D
perovskite
oxide/organic
heterojunctions.
This
unique
structure
allows
modulated
carrier
dynamics
under
varied
bias
conditions,
enabling
the
to
function
as
photodetectors
without
photosynapses
bias.
At
zero
bias,
device
achieves
high
responsivity
(≈0.36
A
W
−1
at
320
nm)
rapid
response
speed
(0.57
s).
Under
a
−0.5
V
it
exhibits
persistent
photoconductivity
(PPC),
resulting
in
neuromorphic
synaptic
behaviors
paired‐pulse
facilitation
(PPF)
index
exceeding
300%.
Moreover,
an
8
×
sensor
array
demonstrates
image
sensing
memory
capabilities,
showing
situ
enhanced
when
switching
from
0
V,
over
200
s
of
memory.
The
processing
abilities
further
explored
by
constructing
AVS
28
combined
neural
network
(ANN).
adjustable
weight
different
reverse
biases
allowed
optimized
simulated
recognition,
achieving
accuracy
92%
after
160
training
epochs.
work
presents
novel
method
creating
dual‐functional
devices,
paving
way
more
integrated
efficient
AVS.
The Journal of Physical Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
15(26), P. 6750 - 6757
Published: June 24, 2024
Colloidal
quantum
dots
(CQDs)
have
garnered
considerable
attention
for
photodetectors
(PDs),
attributable
to
exceptional
photoelectric
properties
and
ease
solution-based
processing.
However,
the
prevalent
use
of
1,2-ethanedithiol
(EDT)
as
a
hole
transport
layer
(HTL)
has
limitations,
such
energy
level
discrepancies,
requisite
oxidation,
intricate
multilayer
assembly.
Organic
p-type
materials,
lauded
their
superior
attributes
synthetic
versatility,
are
now
stepping
forward
viable
substitutes
conventional
EDT
HTLs.
In
this
work,
we
introduced
an
organic
HTL
derived
from
indolo[3,2-b]carbazole,
named
ZL004,
leading
marked
improvement
in
carrier
generation
collection,
facilitated
by
optimized
band
alignment
enhanced
interfacial
charge
dynamics.
The
ZL004-based
PDs
exhibit
photoresponsivity
0.45
A/W,
noise
current
1.8
×
10–11
A
Hz–0.5,
specific
detectivity
4.6
109
Jones,
expansive
linear
dynamic
range
107
dB─surpassing
EDT-based
devices
across
board,
demonstrating
extraordinary
property
materials
CQD-based
PDs.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 2, 2024
The
integration
of
visual
simulation
and
biorehabilitation
devices
promises
great
applications
for
sustainable
electronics,
on-demand
neuroscience.
However,
achieving
a
multifunctional
synergistic
biomimetic
system
with
tunable
optoelectronic
properties
at
the
individual
device
level
remains
challenge.
Here,
an
electro-optically
configurable
transistor
employing
conjugated-polymer
as
semiconductor
layer
insulating
polymer
(poly(1,8-octanediol-co-citrate)
(POC))
clusterization-triggered
photoactive
dielectric
is
shown.
These
realize
adeptly
transition
from
electrical
to
optical
synapses,
featuring
multiwavelength
multilevel
synaptic
memory
exceeding
3
bits.
Utilizing
enhanced
memory,
images
learning
function
are
achieved.
Benefiting
rapid
response
akin
biological
muscle
activation,
increased
actuation
occurs
under
stimulus
frequency
gate
voltage.
Additionally,
on
POC
substrate
can
be
effectively
degraded
in
NaOH
solution
due
degradation
POC.
Pioneeringly,
configurability
stems
light
absorption
photoluminescence
aggregation
cluster
after
200
°C
annealing.
enhancement
plasticity
motion-activation
functions
within
single
opens
new
avenues
intersection
optoelectronics,
computing,
bioengineering.
