Chinese Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
42(24), P. 3234 - 3242
Published: Sept. 24, 2024
Comprehensive
Summary
Given
the
crucial
role
of
film
morphology
in
determining
photovoltaic
parameters
organic
solar
cells
(OSCs),
solvent
or
solid
additives
have
been
widely
used
to
realize
fine‐tuned
morphological
features
further
improve
performance
OSCs.
However,
most
high‐performance
OSCs
are
processed
only
using
single
component
additive,
either
additive
additive.
Herein,
a
simple
molecular
building
block,
namely
thieno[3,4‐
b
]thiophene
(TT),
was
utilized
as
coordinate
with
1‐chloronaphthalene
(CN),
modulate
morphology.
Systematical
investigations
revealed
that
addition
TT
could
prevent
excessive
aggregation
form
delicate
nanoscale
phase
separation,
leading
enhanced
charge
transport
and
suppressed
recombination,
well
superior
performance.
Consequently,
PM6:Y6
based
hybrid
CN
+
demonstrated
optimal
PCE
18.52%,
notable
FF
79.6%.
More
impressively,
PM6:Y6:PC
71
BM
ternary
treated
delivered
remarkable
efficiency
19.05%,
which
ranks
among
best
values
Y6‐based
reported
so
far.
This
work
highlights
importance
strategy
regulating
active
layer
towards
significantly
improved
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Abstract
Intrinsically
stretchable
organic
photovoltaics
(IS‐OPVs)
are
emerging
as
power
sources
for
wearable
technologies,
enabling
seamless
integration
into
flexible
and
systems.
A
key
feature
of
IS‐OPVs
is
the
potential
increased
output
photoactive
area
expands
during
stretching.
However,
current
mechanical
performance
stability
still
fall
short
meeting
demands
practical
applications.
To
overcome
this
limitation,
study
introduces,
first
time,
a
polymer:gel
blend
system
highly
electron
transporting
layer
(ETL),
which
significantly
enhances
both
IS‐OPVs.
This
novel
ETL
plays
pivotal
role
in
dissipating
stress
protecting
brittle
underlying
layers.
By
incorporating
ETL,
device
stretchability
reinforced
by
introducing
thereby
maintaining
initial
conversion
efficiency
under
20%
strain.
As
result,
maximum
substantially
increases
23%,
from
0.28
to
0.35
mW,
large
strain,
while
devices
with
conventionally
ETLs
caused
33%
reduction
output.
thus
offers
pathway
toward
durable
efficient
photovoltaics.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 11, 2024
Abstract
Thermoelectrics
(TEs),
enabling
the
direct
conversion
between
heat
and
electrical
energy,
have
demonstrated
extensive
application
potential
in
biomedical
fields.
Herein,
mechanism
of
TE
effect,
recent
developments
materials,
biocompatibility
assessment
materials
are
provided.
In
addition
to
fundamentals
TEs,
a
timely
comprehensive
review
progress
advanced
their
applications
is
presented,
including
wearable
power
generation,
personal
thermal
management,
biosensing.
addition,
new‐emerged
medical
wound
healing,
disease
treatment,
antimicrobial
therapy,
anti‐cancer
therapy
thoroughly
reviewed.
Finally,
main
challenges
future
possibilities
outlined
for
TEs
fields,
as
well
material
selection
criteria
specific
scenarios.
Together,
these
advancements
can
provide
innovative
insights
into
development
broader
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 10, 2024
Abstract
Flexible
and
stretchable
organic
solar
cells
(FOSCs
SOSCs)
hold
immense
potential
due
to
their
versatility
applicability
in
emerging
areas
such
as
wearable
electronics,
foldable
devices,
biointegrated
systems.
Despite
these
promising
applications,
several
challenges
remain,
primarily
related
the
mechanical
durability,
material
performance,
scalability
required
for
commercialization.
This
review
comprehensively
highlights
recent
advancements
design
fabrication
of
FOSCs
SOSCs,
with
a
particular
emphasis
on
key
functional
layers,
including
transparent
conductive
electrodes,
interfacial
photoactive
materials,
top
electrodes.
Innovations
design,
active
layers
electrodes
improved
flexibility,
are
discussed
alongside
developments
device
processes
achieve
power
conversion
efficiencies
exceeding
19%.
Furthermore,
addresses
remaining
challenges,
need
scalable
manufacturing
techniques
enhanced
robustness
under
strain.
Finally,
prospects
SOSCs
analyzed,
providing
insights
into
how
technologies
can
contribute
development
sustainable,
high‐performance
sources
electronic
devices
other
flexible
electronics.
offers
valuable
insights,
bringing
commercialization
wearable,
closer
reality.
