Polymer Materials for Optoelectronics and Energy Applications
Materials,
Journal Year:
2024,
Volume and Issue:
17(15), P. 3698 - 3698
Published: July 26, 2024
This
review
comprehensively
addresses
the
developments
and
applications
of
polymer
materials
in
optoelectronics.
Especially,
this
introduces
how
absorb,
emit,
transfer
charges,
including
exciton–vibrational
coupling,
nonradiative
radiative
processes,
Förster
Resonance
Energy
Transfer
(FRET),
energy
dynamics.
Furthermore,
it
outlines
charge
trapping
recombination
draws
corresponding
practical
implications.
The
following
section
focuses
on
application
organic
optoelectronics
devices
highlights
detailed
structure,
operational
principle,
performance
metrics
photovoltaic
cells
(OPVs),
light-emitting
diodes
(OLEDs),
photodetectors,
transistors
detail.
Finally,
study
underscores
transformative
impact
evolution
optoelectronics,
providing
a
comprehensive
understanding
their
properties,
mechanisms,
diverse
that
contribute
to
advancing
innovative
technologies
field.
Language: Английский
A Low-Voltage Solution-Processed Organic Small Molecule Memristor Based on TIPS Pentacene
Nikhitha Rajan,
No information about this author
Indranil Maity,
No information about this author
Samayun Saikh
No information about this author
et al.
ACS Applied Electronic Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Organic
small
molecule-based
memristors
offer
the
advantage
of
low-cost,
large-area
fabrication.
Despite
this
advantage,
uncertainty
in
electrical
switching
mechanisms
and
device
reproducibility
coupled
with
stability
issues
different
operating
environments
impede
further
development
these
organic
memory
devices.
Moreover,
potential
barrier
height
at
interface
between
electrode
active
material
is
crucial
controlling
charge
dynamics.
In
report,
an
environmentally
stable,
solution-processed,
molecule
6,13-bis(triisopropylsilylethynyl)
pentacene
(TIPS
Pentacene)-based
memristor
has
been
fabricated
two
top
electrodes
Au
Ag.
Ag
as
a
shown
characteristics
bipolar
nonvolatile
low
set
voltage
around
0.5
V.
Besides
lower
voltage,
exhibits
high
retention
(>104
s)
good
ON/OFF
ratio.
contrast,
devices
showed
no
resistive
behavior.
The
mechanism
also
investigated,
it
found
to
be
governed
by
trapping/detrapping
conjunction
trap-controlled
space-charge-limited-conduction
model.
finding
supported
capacitance
measurements
on
device.
These
results
indicate
strong
solution-processed
TIPS
Pentacene
for
non-volatile
applications
pave
way
power
consumption
data
storage
electronics.
Language: Английский
Organic Room‐Temperature Phosphorescent Materials for High‐Performance Floating Gate Photomemory and Synaptic Phototransistor Applications
Pin‐Hsuan Huang,
No information about this author
Yi‐Hsun Weng,
No information about this author
Ya‐Shuan Wu
No information about this author
et al.
Published: March 24, 2025
Room‐temperature
phosphorescent
(RTP)
materials,
owing
to
their
long‐lived
triplet
exciton
characteristics,
exhibit
significant
potential
for
applications
in
photomemory
and
artificial
photosynapses.
However,
fluorescent
materials
are
often
constrained
by
nonradiative
losses
stability
issues,
limiting
feasibility
high‐performance
applications.
To
address
these
challenges,
this
study
employs
electron‐deficient
RTP
3,3′,
4,4′‐diphenyl
sulfone
tetracarboxylic
dianhydride
(DPS),
4,4′‐benzophenone
(BTDA),
combined
with
the
insulating
polymer
of
polystyrene,
as
floating
gate
layer.
The
memory
devices
photosynaptic
systems
phenomenon
exceptional
photoresponse.
results
demonstrate
that
DPS
BTDA
achieve
≈10
5
10
6
ratios
under
light‐assisted
programming.
Furthermore,
system
exhibits
superior
paired‐pulse
facilitation
image
recognition
accuracy,
underscoring
its
neural
network
After
100
learning
epochs
processing
through
two
denoising
arrays
(
n
=
2),
achieved
a
significantly
improved
accuracy
88.3%.
These
findings
highlight
high‐efficiency
performance
provide
promising
avenue
synaptic
phototransistors.
Language: Английский
Influence of surface passivation aiming towards enhancing the performance of organic phototransistor fabricated using oriented thin films of PFO-DBT
Sidhi G. Ramer,
No information about this author
Kumar Gaurav,
No information about this author
I. A. Palani
No information about this author
et al.
Synthetic Metals,
Journal Year:
2025,
Volume and Issue:
unknown, P. 117869 - 117869
Published: March 1, 2025
Language: Английский
Study on the ground-state to excited-state charge characteristics of bipolar and n-type bisisoindigo-based D-A conjugated polymers
Pigment & Resin Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 23, 2025
Purpose
Electronic
excitation
and
charge
transfer
processes
are
fundamentally
interconnected,
critically
determining
the
optoelectronic
performance
of
organic
semiconductors.
The
purpose
this
study
is
to
systematically
examine
donor–acceptor
(D-A)
conjugated
polymers
at
molecular
level,
with
particular
focus
on
elucidating
distribution
patterns
transition
mechanisms
establish
advanced
design
principles
for
these
materials.
Design/methodology/approach
A
series
bipolar
n-type
bisisoindigo
(BIID)-based
D-A
were
investigated
from
a
perspective
using
density
functional
theory
time-dependent
methods.
ground
excited
state
characteristics
analyzed
correlate
structures
electronic
properties.
Findings
This
demonstrates
that
aza-incorporation
fluoro-substitution
have
relatively
minor
effects
structure,
latter
causing
only
slight
increase
in
n-p*
transitions.
In
marked
contrast,
oxa-incorporation
shows
substantial
impact
by
significantly
expanding
electron
hole
vinyl
region.
modification
effectively
establishes
p-electron
bridge
between
receptor
units
while
simultaneously
enhancing
both
structural
fragments.
Originality/value
investigation
introduces
methodologically
significant
approach
expedited
rigorous
screening
high-performance,
air-stable
devices.
Language: Английский
Hybrid System of Polystyrene and Semiconductor for Organic Electronic Applications
Processes,
Journal Year:
2024,
Volume and Issue:
12(9), P. 1944 - 1944
Published: Sept. 10, 2024
While
organic
semiconductors
hold
significant
promise
for
the
development
of
flexible,
lightweight
electronic
devices
such
as
thin-film
transistors
(OTFTs),
photodetectors,
and
gas
sensors,
their
widespread
application
is
often
limited
by
intrinsic
challenges.
In
this
article,
we
first
review
these
challenges
in
electronics,
including
low
charge
carrier
mobility,
susceptibility
to
environmental
degradation,
difficulties
achieving
uniform
film
morphology
crystallinity,
well
issues
related
poor
interface
quality,
scalability,
reproducibility
that
further
hinder
commercial
viability.
Next,
focus
on
reviewing
hybrid
system
comprising
an
semiconductor
polystyrene
(PS)
address
By
examining
interactions
PS
a
polymer
additive
with
several
benchmark
pentacene,
rubrene,
6,13-bis(triisopropylsilylethynyl)
pentacene
(TIPS
pentacene),
2,8-difluoro-5,11-bis(triethylsilylethynyl)
anthradithiophene
(diF-TES-ADT),
2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene
(C8-BTBT),
showcase
versatility
enhancing
crystallization,
thin
morphology,
phase
segregation,
electrical
performance
devices.
This
aims
highlight
potential
semiconductor/PS
overcome
key
thereby
paving
way
broader
adoption
next-generation
Language: Английский