The
development
of
inverted
all‐inorganic
perovskite
solar
cells
(PSCs)
is
limited
by
the
defect‐induced
nonradiative
recombination.
Herein,
a
strategy
to
enhance
efficiency
and
stability
p‐i‐n
type
CsPbI
2
Br
introducing
(3‐glycidyloxypropyl)trimethoxysilane
(GOPTS)
into
precursor
solution
reported.
incorporation
GOPTS
significantly
reduces
voids
grain
boundaries
in
films
fabricated
at
low
temperatures
(150
°C).
alkoxy,
epoxy,
ether
groups
effectively
passivate
uncoordinated
Pb,
diminishing
recombination
centers
associated
with
defects.
Density
functional
theory
simulations
suggest
that
increases
vacancy
formation
energies
Cs
I,
leading
reduced
Furthermore,
mitigates
photoinduced
phase
segregation
further
enhances
performance
PSCs.
This
modification
results
an
increase
power
conversion
cells,
from
11.83%
13.32%,
when
self‐assembled
monolayers
are
used
as
hole
transport
layer.
study
underscores
potential
silane‐based
additives
defect
passivation
for
perovskites,
providing
viable
route
advancement
high‐efficiency
cells.
Chemical Society Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
This
review
summarized
the
strategies
and
mechanisms
for
improving
conductivity,
mechanical
properties
stability
of
PEDOT:PSS,
as
well
reliable
micropatterning
technologies
optoelectronic
devices
applied
at
bio-interfaces.
Materials Today Bio,
Год журнала:
2024,
Номер
26, С. 101064 - 101064
Опубликована: Апрель 18, 2024
Autologous
nerve
transplantation
(ANT)
is
currently
considered
the
gold
standard
for
treating
long-distance
peripheral
defects.
However,
several
challenges
associated
with
ANT,
such
as
limited
availability
of
donors,
donor
site
injury,
mismatched
diameters,
and
local
neuroma
formation,
remain
unresolved.
To
address
these
issues
comprehensively,
we
have
developed
porous
poly(lactic-
Advanced Healthcare Materials,
Год журнала:
2024,
Номер
13(29)
Опубликована: Июль 16, 2024
Abstract
Durable
and
conductive
interfaces
that
enable
chronic
high‐resolution
recording
of
neural
activity
are
essential
for
understanding
treating
neurodegenerative
disorders.
These
implants
require
long‐term
stability
small
contact
areas.
Consequently,
they
often
coated
with
a
blend
polymers
crosslinked
to
enhance
durability
despite
the
potentially
deleterious
effect
crosslinking
on
mechanical
electrical
properties.
Here
grafting
poly(3,4
ethylenedioxythiophene)
scaffold,
poly(styrenesulfonate)‐
b
‐poly(poly(ethylene
glycol)
methyl
ether
methacrylate
block
copolymer
brush
gold,
in
controlled
tunable
manner,
by
surface‐initiated
atom‐transfer
radical
polymerization
(SI‐ATRP)
is
described.
This
“block‐brush”
provides
high
volumetric
capacitance
(120
F
cm
─3
),
strong
adhesion
metal
(4
h
ultrasonication),
improved
surface
hydrophilicity,
against
10
000
charge–discharge
voltage
sweeps
multiarray
electrode.
In
addition,
block‐brush
film
showed
33%
current
pulsing.
approach
can
open
numerous
avenues
exploring
specialized
polymer
brushes
bioelectronics
research
application.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
Abstract
Organic
mixed
ionic‐electronic
conductors
have
emerged
as
a
key
material
for
the
development
of
bioelectronic
devices
due
to
their
soft
mechanical
properties,
biocompatibility,
and
high
volumetric
capacitance.
In
particular,
PEDOT:PSS
has
become
choice
because
it
is
highly
conductive,
easily
processible,
commercially
available.
However,
dispersible
in
water,
leading
delamination
films
when
exposed
biological
environments.
For
this
reason,
chemical
cross–linking
agents
such
(3‐glycidyloxypropyl)trimethoxysilane
(GOPS)
are
used
stabilize
but
at
cost
decreased
electrical
performance.
Here,
shown
that
thin
water‐stable
by
simply
baking
temperatures
(>150
°C)
short
time
(≈
2
min).
It
heat‐treated
stable
chemically‐cross–linked
counterparts,
with
performance
maintained
>20
days
both
vitro
vivo.
The
eliminate
electrically
insulating
cross–linkers,
resulting
3×
increase
Applying
thermal
energy
using
focused
femtosecond
laser
enables
direct
patterning
3D
microstructures.
treatment
method
compatible
wide
range
substrates
readily
substituted
into
existing
workflows
manufacturing
devices,
enabling
its
rapid
adoption
field
bioelectronics.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 2, 2025
Abstract
Organic
electrochemical
transistors
(OECTs)
are
central
to
the
development
of
highly
sensitive
(bio)sensors,
energy‐efficient
neuromorphic
devices,
and
high‐precision
electrophysiological
monitoring
systems.
With
growing
interest
in
these
strategic
electronic
a
novel
PBTTT
polymer
bearing
single‐ether
side
chains
(
PBTTT‐
8
O
)
OECTs
is
investigated.
Pristine
isotropic
non‐aligned
OECT
performance
matches
state‐of‐the‐art
transconductance,
highlighting
potential
single
ethers
for
designing
high‐performance
organic
mixed
ionic‐electronic
conductors
(OMIECs).
Moreover,
13×
enhancement
current
output
achieved
by
anisotropic
chain
alignment
,
opening
doors
unprecedented
device
sensitivity.
Compared
pristine
ones,
aligned
afford
6×
increase
normalized
transconductance
(g
m
L/Wd),
reaching
an
2
580
S
cm
−1
.
Such
improvement
mainly
due
gain
carrier
mobility
µ,
as
evidenced
four
distinct
methods.
In
addition,
exhibit
faster
doping
front
propagation,
ON
switching,
OFF
switching
compared
ones.
This
study
hence
reports
versatile
easily
transferable
approach
concomitantly
boost
signal
amplification
accelerate
response
time
bioelectronic
devices.
Polymers,
Год журнала:
2024,
Номер
16(11), С. 1478 - 1478
Опубликована: Май 23, 2024
Here,
we
report
the
preparation
and
evaluation
of
PVA/PEDOT:PSS-conducting
hydrogels
working
as
channel
materials
for
OECT
applications,
focusing
on
understanding
their
charge
transport
transfer
properties.
Our
conducting
are
based
crosslinked
PVA
with
PEDOT:PSS
interacting
via
hydrogen
bonding
exhibit
an
excellent
swelling
ratio
~180–200%
w/w.
electrochemical
impedance
studies
indicate
that
processes
at
material
not
trivial
compared
to
polymeric
films.
The
most
relevant
feature
is
ionic
through
swollen
hydrogel
clearly
different
from
solution,
diffusion
govern
low-frequency
regime.
In
addition,
have
performed
in
operando
Raman
spectroscopy
analyses
devices
supported
by
first-principle
computational
simulations
corroborating
doping/de-doping
under
applied
gate
voltages.
maximum
transconductance
(gm~1.05
μS)
volumetric
capacitance
(C*~2.3
F.cm−3)
values
these
can
be
promising
candidates
devices.
