Abstract
To
facilitate
the
development
of
efficient
neuromorphic
perception
and
computation,
it
is
crucial
to
explore
optoelectronic
synaptic
devices
that
integrate
perceptual
computational
capabilities.
Various
materials
such
as
oxide
semiconductors,
conjugated
organic
polymers,
transition
metal
sulfides,
perovskite
materials,
nanoparticles,
along
with
their
composites,
are
utilized
in
constructing
these
devices.
However,
based
on
2D
covalent
frameworks
(COFs)
rarely
reported.
In
this
study,
an
anthracene‐based
COF
(COF‐DaTp)
film
prepared
using
a
room‐temperature
interface‐confined
strategy
active
layer
device
Al/COF‐DaTp/ITO
configuration.
The
demonstrated
dual
modulation,
exhibiting
significant
resistive
switching
response
light
pulses,
achieving
32
photoconductive
states.
Moreover,
exhibited
history‐dependent
memristive
behavior
voltage
scans
electrical
comparable
diversity
conductive
photodual‐responsive
properties
COF‐DaTp‐based
enable
simultaneously
perform
optical
sensing
basic
image
denoising
recognition
tasks,
significantly
enhancing
accuracy
reducing
number
training
epochs
compared
datasets
without
noise
mitigation.
This
work
opens
door
for
application
COF‐based
visual
processing.
Applied Physics Reviews,
Год журнала:
2025,
Номер
12(2)
Опубликована: Июнь 1, 2025
Optoelectronic
brain-like
devices
have
been
widely
investigated
in
recent
years
and
are
considered
a
new
generation
of
hardware
platforms
for
neuromorphic
computing.
Inspired
by
the
biological
visual
perception
system,
integrate
sensing,
computing,
memory
single
functional
unit.
Compared
with
electronically
controlled
memristor,
introduction
optical
signals
can
further
improve
computational
efficiency
physically
sensing
unit
processing
This
efficient
intelligent
information
method
effectively
overcome
bottleneck
traditional
computing
under
von
Neumann
architecture.
However,
development
optoelectronic
is
still
preliminary
stage,
its
mechanism
complex
not
uniform.
Therefore,
it
necessary
to
deeply
understand
quantum
process
between
input
electrical
output
provide
better
reference
this
field.
article
aims
comprehensively
review
latest
progress
devices,
summarizing
device
performance
structures.
It
also
provides
comprehensive
summary
multiple
mechanisms
different
material
systems,
such
as
direct
photoelectric
conversion
or
triggering
subsequent
effects.
In
addition,
variety
potential
application
scenarios
introduced.
Finally,
we
present
some
possible
problems
help
researchers
whole
picture
devices.
Abstract
To
facilitate
the
development
of
efficient
neuromorphic
perception
and
computation,
it
is
crucial
to
explore
optoelectronic
synaptic
devices
that
integrate
perceptual
computational
capabilities.
Various
materials
such
as
oxide
semiconductors,
conjugated
organic
polymers,
transition
metal
sulfides,
perovskite
materials,
nanoparticles,
along
with
their
composites,
are
utilized
in
constructing
these
devices.
However,
based
on
2D
covalent
frameworks
(COFs)
rarely
reported.
In
this
study,
an
anthracene‐based
COF
(COF‐DaTp)
film
prepared
using
a
room‐temperature
interface‐confined
strategy
active
layer
device
Al/COF‐DaTp/ITO
configuration.
The
demonstrated
dual
modulation,
exhibiting
significant
resistive
switching
response
light
pulses,
achieving
32
photoconductive
states.
Moreover,
exhibited
history‐dependent
memristive
behavior
voltage
scans
electrical
comparable
diversity
conductive
photodual‐responsive
properties
COF‐DaTp‐based
enable
simultaneously
perform
optical
sensing
basic
image
denoising
recognition
tasks,
significantly
enhancing
accuracy
reducing
number
training
epochs
compared
datasets
without
noise
mitigation.
This
work
opens
door
for
application
COF‐based
visual
processing.
