ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(29), P. 38310 - 38323
Published: July 11, 2024
In
this
study,
a
conductive
patch
for
flexible
organic
optoelectronic
device
is
proposed
and
implemented
using
poly(3,4-ethylenedioxythiophene):polystyrenesulfonate
(PEDOT:PSS)
polymer
electrode
based
on
transfer
process
to
achieve
its
high
conductivity
with
an
efficient
pathway.
This
PEDOT-dominant
surface
induced
by
phase
inversion
during
the
owing
solvent
affinity
of
PSS
phase.
The
PEDOT:PSS
formed
minimizes
power
loss
in
due
improved
charge
collection
suppressed
leakage
current
responses.
addition,
bending
stability
photoelectronic
also
enhanced
maintaining
performance
1000
cycles.
Therefore,
fabrication
transparent
patch,
conducting
constitutes
effective
strategy
that
can
improve
embellished
morphology.
Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
12(31)
Published: Aug. 27, 2024
Abstract
Organic
photodetectors
(OPDs)
have
achieved
rapid
development
due
to
the
emergence
of
organic
semiconducting
materials
with
high
absorption
coefficient
and
tunable
optical
bandgap,
as
well
progress
in
device
physics
engineering.
The
working
mechanism
fundamental
parameters
OPDs
are
briefly
introduced.
Some
smart
strategies
for
realizing
performance
photovoltaic
type
narrowband
(PV‐NB‐OPDs)
photomultiplication
(PM‐NB‐OPDs)
comprehensively
reviewed.
recent
PV‐NB‐OPDs
PM‐NB‐OPDs
is
systematically
introduced
from
fundamentals
prospects,
exhibiting
colorful
application
potential
full‐color
imaging,
spectroscopic
photodetection,
medical
monitoring,
communication,
which
may
promote
their
applications.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(27), P. 35400 - 35409
Published: June 25, 2024
A
series
of
dual-band
photomultiplication
(PM)-type
organic
photodetectors
(OPDs)
were
fabricated
by
employing
a
donor(s)/acceptor
(100:1,
wt/wt)
mixed
layer
and
an
ultrathin
Y6
as
the
active
layers,
well
using
PNDIT-F3N
interfacial
near
indium
tin
oxide
(ITO)
electrode.
The
PM-type
OPDs
exhibit
response
range
330–650
nm
under
forward
bias
650–850
reverse
bias.
tunable
spectral
or
can
be
explained
from
trapped
electron
distribution
electrodes.
dark
current
density
(JD)
efficiently
suppressed
anode
special
layers
with
hole-only
transport
characteristics.
light
(JL)
slightly
increased
incorporating
wide-bandgap
polymer
P-TPDs
relatively
large
hole
mobility
(μh)
in
layers.
signal-to-noise
ratios
optimized
reach
100,980
−50
V
white
illumination
intensity
1.0
mW·cm–2,
benefiting
ultralow
JD
buffer
JL
appropriate
P-TPD
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(7), P. 2964 - 2973
Published: June 12, 2024
Layer-by-layer
(LbL)
all-polymer
solar
cells
(APSCs)
are
constructed
with
or
without
the
incorporation
of
a
Pt
complex
F-Pt
as
an
energy
donor
additive
in
acceptor
layer.
The
power
conversion
efficiency
(PCE)
LbL
APSCs
can
be
enhanced
from
15.86%
to
17.14%
through
introducing
0.2
wt
%
PY-IT
layer,
originating
efficient
transfer
PM6
and
PY-IT.
well
confirmed
spectral
overlapping
between
photoluminescence
(PL)
spectra
absorption
PY-IT,
prolonged
PL
lifetime
according
transient
time-resolved
blend
films.
universality
strategy
further
PBQx-TCl/PY-DT
based
APSCs,
PCE
increased
17.57%
18.29%
by
incorporating
into
PY-DT
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 26, 2025
Abstract
Layer‐by‐layer
(LbL)
organic
photovoltaics
(OPVs)
are
fabricated
with
polymer
PM1
as
donor
and
small
molecule
L8‐BO
acceptor
by
employing
sequential
spin‐coating
technology.
The
BTP‐eC9
PTAA
deliberately
selected
for
individually
incorporating
into
layer
layer,
resulting
in
the
power
conversion
efficiency
(PCE)
increased
from
18.22%
to
19.23%.
improvement
of
performance
is
attributed
synergistically
short
circuit
current
density
(
J
SC
)
27.78
mA
cm
−2
fill
factor
(FF)
78.23%.
introduction
can
promote
photogenerated
exciton
dissociation,
especially
excitons
near
anode.
Meanwhile,
molecular
crystallinity
also
enhanced
appropriate
layer.
incorporation
provide
hole
transport
channels
effectively
improve
holes
generated
self‐dissociation
L8‐BO,
FFs
77.40%
synergistic
effects
layers
result
a
19.23%
PCE
optimized
LbL‐OPVs.
This
work
demonstrates
that
there
great
room
hierarchically
optimize
achieving
highly
efficient
Small,
Journal Year:
2024,
Volume and Issue:
20(44)
Published: July 5, 2024
The
morphology
of
the
active
layer
is
crucial
for
highly
efficient
organic
solar
cells
(OSCs),
which
can
be
regulated
by
selecting
a
rational
third
component.
In
this
work,
crystalline
nonfullerene
acceptor
BTP-eC9
selected
as
regulator
in
OSCs
with
PM6:BTP-BO-4Cl
main
system.
addition
prolong
nucleation
and
crystallization
progress
donor
molecules,
thereby
enhancing
order
molecular
arrangement.
Meanwhile,
time
earlier
than
that
acceptors
after
introducing
BTP-eC9,
beneficial
obtaining
better
vertical
structural
phase
separation.
exciton
dissociation,
charge
transport,
collection
are
promoted
effectively
optimized
layer,
improves
short-circuit
current
density
filling
factor.
After
power
conversion
efficiencies
(PCEs)
ternary
improved
from
17.31%
to
18.15%.
PCE
further
18.39%
gold
nanopyramid
(Au
NBPs)
into
hole
transport
improve
photon
utilization
efficiency.
This
work
indicates
component
regulate
molecules.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 14, 2024
Abstract
Bandpass
photodetectors
have
tremendous
applications
in
colorimetric
analysis,
light
communication,
imaging
and
machine
vision
systems.
Compared
to
broadband
combined
with
external
optical
filters,
solution‐processed
filterless
bandpass
enjoy
high
integration
density
low
cost,
but
suffer
from
broadened
response
edges
insufficient
spectral
rejection
ratios
(SRRs).
Here,
prototype
near
square‐shape
photoresponse
are
developed
based
on
(C
m
H
2
m+
1
NH
3
)
PbI
4
/MAPbI
(
=
4–8)
PbBr
/MAPbBr
2–8)
perovskite
heterojunctions.
The
strong
sharp
excitonic
absorption
of
2D
perovskites
defines
the
ultranarrow
onset
widths
10
±
nm.
Besides,
photoluminescence
(PL)
self‐absorption
suppresses
PL
leakage
front
absorber
back
photoactive
region,
which
is
crucial
achieved
record
SRR
>2000.
By
integrating
Br‐based
2D/3D
edge
wavelength
discrimination
≈20
nm,
a
multiple‐channel
communication
system
crosstalk
demonstrated.