Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 30, 2024
Abstract
The
solid
additive
strategy
represents
a
simple
yet
effective
approach
to
achieving
high‐efficiency
organic
solar
cells
(OSCs)
by
enhancing
the
morphology
of
active
layer.
In
this
study,
highly
volatile
additive,
2,4,6‐trichloro‐1,3,5‐triazine
(TCT),
is
employed
modulate
morphology.
Unlike
other
additives
previously
reported,
TCT
exhibits
remarkable
intermolecular
interactions
with
both
polymer
donor
and
acceptor,
offering
two
distinct
advantages.
Firstly,
notably
enhances
crystallinity
molecular
order
blend
film,
subtly
optimizing
fiber
network
structure
within,
thereby
facilitating
carrier
transport
significantly
improving
mobility
film.
Secondly,
stabilizes
bi‐continuous
fibrous
mitigating
morphological
evolution
layer
device
stability.
Consequently,
D18:L8‐BO:TCT
higher
power
conversion
efficiency
19.50%
compared
D18:L8‐BO
(18.13%).
Furthermore,
after
960
h
storage,
OSC
treated
retains
90%
its
initial
PCE,
outperforming
(73%).
This
study
presents
promising
avenue
for
high‐performance
OSCs
through
manipulating
additives.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(24)
Published: April 2, 2024
Abstract
Converting
non‐visual
light
into
photocurrent
while
maintaining
high
visual
transparency
is
vital
for
semitransparent
organic
solar
cells
(ST‐OSCs)
application,
yet
often
challenging
over
insufficient
invisible
light‐harvesting.
Herein,
spectrally
selective
optical
manipulation
ST‐OSCs
with
and
full‐spectral
reflection
proposed
by
matching
the
admittance
of
ultrathin
Ag
films
using
ZnS
MgF
2
.
The
optically
enhanced
at
spectral
region
beyond
human
eye's
response
spectrum
improved
transmission
in
simultaneously
enhanced.
By
further
integrating
an
anti‐reflective
structure,
optimal
structure
boosts
average
visible
transmittance
power
conversion
efficiency
to
44.3%
12.6%,
respectively,
yielding
a
record
utilization
5.6%.
Corresponding
flexible
mechanical
stability
implies
that
this
work
provides
facile
universal
strategy
aiming
building
integrated
photovoltaics.
Over
the
past
decade,
organic
solar
cells
(OSCs)
have
made
noticeable
progress
in
photovoltaic
performance
thanks
to
emergence
of
electron
acceptors
capable
intramolecular
charge
transfer,
namely,
nonfullerene
small
molecules.
OSCs
continue
gain
momentum
by
employing
self-assembled
monolayers
(SAMs)
as
transport
layers,
particularly
those
involving
conjugated
system
their
functional
groups
and/or
spacers.
This
review
provides
an
overview
SAMs,
covering
molecular
designs,
fabrication
methods,
and
various
functions
OSCs.
Additionally,
it
highlights
currents
issues
surrounding
along
with
efforts
address
them
future
perspectives.
Materials,
Journal Year:
2025,
Volume and Issue:
18(4), P. 748 - 748
Published: Feb. 8, 2025
The
enhancement
of
organic
light-emitting
diode
(OLED)
device
performance
has
been
a
key
area
research
in
optoelectronic
devices.
Optimizing
carrier
mobility
within
OLED
devices
is
crucial
strategy.
In
this
study,
the
hole
transport
layer
was
optimized
using
self-assembled
monolayer
(SAM)
subjected
to
different
annealing
temperatures.
Through
submitting
SAM
an
temperature
100
°C,
maximum
luminous
intensity
32,290
cd/m2
and
EQE
1.77
were
achieved,
latter
being
more
than
two-fold
higher
that
without
SAM.
As
increased
from
80
°C
120
both
vertical
orientation
molecules
hole-only
(HODs)
improved.
This
beneficial
enhancing
mobility.
Electrochemical
impedance
spectroscopy
surface
morphology
analysis
revealed
introduction
leads
formation
interface
resistance.
synergy
effect
between
variation
molecular
transition
dipole
moment
optimizes
HODs
performance.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Oct. 23, 2024
Electrical
energy
is
essential
for
modern
society
to
sustain
economic
growths.
The
soaring
demand
the
electrical
energy,
together
with
an
awareness
of
environmental
impact
fossil
fuels,
has
been
driving
a
shift
towards
utilization
solar
energy.
However,
traditional
solutions
often
require
extensive
spaces
panel
installation,
limiting
their
practicality
in
dense
urban
environment.
To
overcome
spatial
constraint,
researchers
have
developed
transparent
photovoltaics
(TPV),
enabling
windows
and
facades
vehicles
buildings
generate
electric
Current
TPV
advancements
are
focused
on
improving
both
transparency
power
output
rival
commercially
available
silicon
panels.
In
this
review,
we
first
briefly
introduce
wavelength-
non-wavelength-selective
strategies
achieve
transparency.
Figures
merit
theoretical
limits
TPVs
discussed
comprehensively
understand
status
current
technology.
Then
highlight
recent
progress
different
types
TPVs,
particular
focus
solution-processed
thin-film
(PVs),
including
colloidal
quantum
dot
PVs,
metal
halide
perovskite
PVs
organic
PVs.
applications
also
reviewed,
emphasis
agrivoltaics,
smart
facades.
Finally,
challenges
future
opportunities
research
pointed
out.
