Carbon-based
perovskite
solar
cells
(PSCs)
coupled
with
solution-processed
hole
transport
layers
(HTLs)
have
shown
potential
owing
to
their
combination
of
low
cost
and
high
performance.
However,
the
commonly
used
poly(3-hexylthiophene)
(P3HT)
semicrystalline-polymer
HTL
dominantly
shows
edge-on
molecular
orientation,
in
which
alkyl
side
chains
directly
contact
layer,
resulting
an
electronically
poor
at
perovskite/P3HT
interface.
The
study
adopts
a
synergetic
strategy
comprising
additive
solvent
engineering
transfer
orientation
P3HT
into
3D
orientation.
target
possesses
improved
charge
as
well
enhanced
moisture-repelling
capability.
Moreover,
energy
level
alignment
between
layer
is
realized.
As
result,
champion
devices
small
(0.04
cm
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(16)
Опубликована: Янв. 2, 2024
Abstract
The
layer‐by‐layer
(LbL)
organic
photovoltaics
(OPVs)
are
constructed
with
wide‐bandgap
donor
PM1
and
narrow‐bandgap
acceptor
L8‐BO.
exciton
utilization
near
cathode
is
still
challenging
considering
restricted
diffusion
distance
of
excitons
inability
for
transferring
energy
from
L8‐BO
to
PM1.
Herein,
incorporation
into
layer
(DIA)
strategy
employed
improve
cathode.
efficiency
LbL
OPVs
can
be
improved
18.02%
18.81%
by
incorporating
10
wt%
layer,
which
closely
associated
efficient
separation
originated
more
adequate
donor/acceptor
interface
faster
charge
transfer,
as
evidenced
magneto‐photocurrent
transient
absorption
results.
in
situ
test
morphological
characterization
clarify
that
molecular
packing
property
benefited
prolonged
aggregation
nucleation
time
assisted
DIA
strategy,
contributing
transport
inhibited
recombination
active
layers.
thickness
insensitive
also
induced
indicated
PCE
retention
value
(82.2%
vs.
74.0%)
PM1/L8‐BO:PM1
PM1/L8‐BO
when
increased
≈180
nm.
This
work
demonstrates
the
effectiveness
improving
tolerance
OPVs.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(7), С. 4077 - 4085
Опубликована: Янв. 1, 2024
The
nonfullerene
acceptor
L8-BO
as
solid
additive
was
incorporated
into
QLA-PSCs
based
on
PM6
and
PY-IT.
molecular
orientation
exciton
diffusion
length
in
PY-IT
layer
can
be
optimized,
resulting
the
PCE
enhanced
from
16.14%
to
17.74%.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(12), С. 4216 - 4227
Опубликована: Янв. 1, 2024
Pincer-shaped
non-covalent
bond
interactions
are
introduced
between
a
small-molecule
additive
and
polymer
acceptor,
effectively
improving
the
photovoltaic
performance
mechanical
stability
of
all-polymer
solar
cells.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(14), С. 5173 - 5182
Опубликована: Янв. 1, 2024
By
introducing
highly
crystalline
material
D18A
into
donor
layer
acting
as
energy
and
nucleating
agent,
an
optimal
PCE
of
19.25%
was
achieved
for
PM1
:
D18A/L8-BO
based
OPVs.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(7), С. 2441 - 2452
Опубликована: Янв. 1, 2024
A
mesoporous
layer
was
constructed
by
a
donor-based
nanoparticulate
water-ink,
which
facilitates
the
infiltration
of
acceptor,
allowing
fabrication
efficient
organic
solar
cells
with
high
thickness
tolerance.
ACS Materials Letters,
Год журнала:
2024,
Номер
6(7), С. 2964 - 2973
Опубликована: Июнь 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
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(15), С. 9055 - 9065
Опубликована: Янв. 1, 2024
A
platinum-based
organometallic
polymer
is
developed
with
a
broad
absorption
spectrum
and
high
photo-to-thermal
conversion
capability,
which
can
be
used
to
fabricate
solar
evaporator
for
seawater
desalination
operational
stability.
