Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
Recently,
increasing
attention
has
been
paid
to
exploring
the
unique
characteristics
of
newly
emerged
organic
photoelectrochemical
transistors
(OPECT)
for
biological
application
and
neuromorphic
engineering
due
their
effectiveness
light‐driven
ionic
regulation
channels
interfaced
with
rich
biochemical
reactions.
The
observation
interesting
signaling
reversion
is
reported—the
realization
dual‐directional
enhanced
signal
resolution—enabled
by
porous
coordination
networks
(PCN)‐134(Fe)
in
presence
varying
H
2
O
concentrations,
which
totally
different
from
exiting
unidirectional
OPECT.
underlying
mechanism
such
behavior
attributed
change
polarity
gate
photocurrent
explained
perspective
potential
distribution.
practical
this
device
then
studied
detecting
phorbol
myristate
acetate
(PMA)‐induced
secretion
three
kinds
human
breast
cells.
This
study
features
signaling,
expected
catalyze
a
new
category
OPECT
operation
unknown
possibilities.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Abstract
Neural
biointerfacing,
enabling
direct
communication
between
neural
systems
and
external
devices,
holds
great
promises
for
applications
in
brain
machine
interfaces,
prosthetics,
neuromodulation.
However,
current
electronics
made
of
conventional
rigid
materials
are
challenged
by
their
inherent
mechanical
mismatch
with
the
tissues.
Hydrogel
bioelectronics,
properties
compatible
tissues,
represent
an
alternative
to
these
limitations
enable
next‐generation
biointerfacing
technology.
Here,
overview
cutting‐edge
research
on
conducting
hydrogels
(CHs)
bioelectronics
development,
emphasizing
material
design
principles,
manufacturing
techniques,
essential
requirements,
corresponding
application
scenarios
is
presented.
Future
challenges
potential
directions
regarding
CHs‐based
technologies,
including
long‐term
reliability,
multimodal
hydrogel
closed‐loop
system
wireless
power
supply
system,
raised.
It
believed
that
this
review
will
serve
as
a
valuable
resource
further
advancement
implementation
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Feb. 13, 2025
Organic
mixed
ionic-electronic
conductors
(OMIECs)
are
materials
that
can
be
used
to
build
bio-inspired
electronic
devices
as
they
emulate
ion-based
cellular
communication
through
doping
with
aqueous
ionic
charges.
The
integration
of
charge
photogeneration
and
electrochemical
processes
in
the
polymer
film
enables
optoelectronic
applications
involve
synaptic
transistors.
However,
no
OMIEC
has
yet
been
implemented
create
a
miniaturized
photoactive
platform
capable
perceiving
processing
multi-spectral
visual
information.
Here,
we
present
device
design
concept
which
an
n-type
is
incorporated
into
micron-scale
channel
transistor
operating
directly
electrolyte
under
ambient
conditions.
conjugated
channel,
consisting
fluorinated
bisistain-lactone-bithiazole
acceptor,
current
modulated
response
both
electrical
optical
stimuli,
emulating
multimodal
function
nervous
system.
Our
optoelectrochemical
synapse
achieves
multilevel
conductance
states
well
transduction
information
covering
ultraviolet,
visible,
near-infrared
regions
spectrum
–
range
beyond
human
system's
perception.
resulting
active-matrix
array
adaptive
sensing,
memory,
pre-processing
information,
demonstrating
efficient
neuromorphic
system
multi-task
learning
capability.
Wang
et
al.
single-component
modulation
stimuli.
This
for
multispectral
plasticity,
image
recognition,
motion
detection,
applications.
Journal of Semiconductors,
Journal Year:
2025,
Volume and Issue:
46(2), P. 021402 - 021402
Published: Feb. 1, 2025
Abstract
The
traditional
von
Neumann
architecture
faces
inherent
limitations
due
to
the
separation
of
memory
and
computation,
leading
high
energy
consumption,
significant
latency,
reduced
operational
efficiency.
Neuromorphic
computing,
inspired
by
human
brain,
offers
a
promising
alternative
integrating
computational
functions,
enabling
parallel,
high-speed,
energy-efficient
information
processing.
Among
various
neuromorphic
technologies,
ion-modulated
optoelectronic
devices
have
garnered
attention
their
excellent
ionic
tunability
availability
multidimensional
control
strategies.
This
review
provides
comprehensive
overview
recent
progress
in
ion-modulation
devices.
It
elucidates
key
mechanisms
underlying
modulation
light
fields,
including
ion
migration
dynamics
capture
release
charge
through
ions.
Furthermore,
synthesis
active
materials
properties
these
are
analyzed
detail.
also
highlights
application
artificial
vision
systems,
other
bionic
fields.
Finally,
existing
challenges
future
directions
for
development
discussed,
providing
critical
insights
advancing
this
field.
Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Organic
photoelectrochemical
transistor
(OPECT)
has
undergone
significant
advancements,
enabling
an
effective
synergy
between
organic
electronics
and
photoelectrochemistry,
contributing
to
opto-logic
gates,
neuromorphic
emulation,
biological
detection.
However,
feasible
OPECT
operation
is
still
quite
limited
the
associated
technology
evolving.
This
study
introduces
a
self-enhancement
facilitated
by
triple-functional
stimuli-responsive
molecules
(SROM).
The
representative
SROM
sensitizes
photogate
selectively
recognize
chosen
target,
where
reaction
product
serves
reengineer
band
alignment,
resulting
in
self-enhanced
modulation.
We
further
leverage
this
effect
implement
highly
selective
detection
of
sulfite.
findings
work
bridge
gap
SROM,
demonstrating
potential
unique
implementation.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 2, 2025
Abstract
Organic
photoelectrochemical
transistor
(OPECT)
as
a
photo‐electric‐biological
technology,
is
shown
considerable
potential
for
high‐performance
detection
in
biological
sensing.
High
gating
effect
and
current
always
pursuit
to
improve
the
performances
of
OPECT,
but
date,
their
inherent
channel
materials
invariant
structure
limit
further
development.
The
challenge
addressed
through
new
bipolar‐driven
OPECT
signal
amplification
efficient
modulation.
Herein,
inspired
by
self‐powered
(PEC)
systems,
enhancement‐mode
poly(3,4‐ethylenedioxythiophene):poly(styrene
sulfonate)
(PEDOT:PSS)
powered
Z‐scheme
COF/Cu
2
O@Cu
PtNCs
photocathode
CdIn
S
4
photoanode
proposed.
It
exhibits
an
enhanced
remarkable
gain
≈7613,
which
much
higher
than
single‐photoelectrode
ones
will
have
beneficial
impact
on
achieving
sensitive,
portable,
reliable
sensing
devices.
Moreover,
sandwich
system
composed
multifunctional
COF‐based
nanomaterials
target‐mediated
biomimetic
precipitation
reaction
designed
upon
photocathode,
resulting
dual
realizing
alpha‐fetoprotein
(AFP)
with
linear
range
32
fg
mL
−1
–10
ng
low
22
.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
Abstract
Neuromorphic
perception
capable
of
multisensory
integration
(MSI)
in
electrolytes
is
important
but
remains
challenging.
Here,
the
aqueous
implementation
artificial
MSI
reported
based
on
newly
emerged
organic
photoelectrochemical
transistor
(OPECT)
by
representative
visual
(light)‐gustatory
(sour)
perception.
Under
co‐modulation
light
and
H
+
/OH
−
,
synaptic
plasticity
several
typical
characteristics
are
mimicked,
including
“super‐additive
response,”
“inverse
effectiveness
effect”
“temporal
congruency.”
To
demonstrate
its
potential
usage,
different
types
associative
learning
corresponding
reflex
activities
further
emulated.
The
chemical
system
also
utilized
to
control
salivation
a
closed
loop
real‐time
perception,
processing,
integration,
actuation
emulate
biological
responses
toward
external
stimuli.
In
contrast
previous
solid‐state
operations,
this
work
offers
new
strategy
for
developing
neuromorphic
environments
that
analogous
those
biology.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 30, 2024
Abstract
Current
artificial
neuromorphic
systems
are
mainly
constructed
using
solid‐state
optoelectronic
synaptic
devices,
limiting
their
potential
intelligence
applications
in
liquid
medium.
Here,
colloidal
CuInGaSe/ZnSe
quantum
dots
(QDs)
with
environment‐benign
feature
and
broad
visible
light
absorption
prepared
to
fabricate
a
photoelectrochemical
(PEC)‐type
device
operating
aqueous
electrolyte,
enabling
unique
biological
behaviors
including
paired‐pulse
facilitation
(PPF),
short‐term
plasticity
(STP),
long‐term
(LTP)
learning‐forgetting‐relearning
process
when
simulated
by
optical
pulses
various
wavelength,
pulse
number,
frequency,
power
density,
applied
voltage.
These
results
demonstrate
the
feasibility
of
building
PEC‐type
synapses
QDs,
paving
way
realize
available
devices
for
prospective
underwater
technology.
