Angewandte Chemie International Edition,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 9, 2025
Abstract
Currently,
the
development
of
polymeric
hole‐transporting
materials
(HTMs)
lags
behind
that
small‐molecule
HTMs
in
inverted
perovskite
solar
cells
(PSCs).
A
critical
challenge
is
conventional
are
incapable
forming
ultra‐thin
and
conformal
coatings
like
self‐assembly
monolayers
(SAMs),
especially
for
substrates
with
rough
surface
morphology.
Herein,
we
address
this
by
designing
anchorable
(CP1
to
CP5).
Specifically,
coordinative
pyridyl
groups
introduced
as
side‐chains
on
poly‐triarylamine
(PTAA)
backbone
varied
contents
copolymerization
method,
resulting
chemical
interactions
between
substrates.
The
strong
interaction
allows
them
be
processed
into
ultra‐thin,
uniform,
robust
layers
through
employing
low‐concentration
solutions
(0.1
mg
mL
−1
,
vs.
2.0–5.0
PTAA),
greatly
decreasing
charge
transport
losses.
Moreover,
upon
systematically
tuning
substitution
ratio,
energy
levels,
wetting,
solution
processability,
defect
passivation
capability
such
simultaneously
optimized.
Based
optimal
CP4,
achieved
highly
efficient
PSCs
power
conversion
efficiencies
(PCEs)
up
26.21
%,
which
par
state‐of‐the‐art
SAM‐based
PSCs.
Furthermore,
these
devices
exhibit
enhanced
stabilities
under
repeated
current–voltage
scans
reverse
bias
ageing
compared
devices.
Science,
Год журнала:
2024,
Номер
386(6727), С. 1256 - 1264
Опубликована: Дек. 12, 2024
The
inverse
design
of
tailored
organic
molecules
for
specific
optoelectronic
devices
high
complexity
holds
an
enormous
potential
but
has
not
yet
been
realized.
Current
models
rely
on
large
data
sets
that
generally
do
exist
specialized
research
fields.
We
demonstrate
a
closed-loop
workflow
combines
high-throughput
synthesis
semiconductors
to
create
datasets
and
Bayesian
optimization
discover
new
hole-transporting
materials
with
properties
solar
cell
applications.
predictive
were
based
molecular
descriptors
allowed
us
link
the
structure
these
their
performance.
A
series
high-performance
identified
from
minimal
suggestions
achieved
up
26.2%
(certified
25.9%)
power
conversion
efficiency
in
perovskite
cells.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(20)
Опубликована: Март 19, 2024
Abstract
Dopant‐free
hole
transport
materials
(HTMs)
are
ideal
for
highly
efficient
and
stable
n‐i‐p
perovskite
solar
cells
(PSCs),
but
most
current
design
strategies
tailoring
the
molecular
structures
of
HTMs
limited
to
single
strategy.
Herein,
four
based
on
dithienothiophenepyrrole
(DTTP)
core
devised
through
dual‐strategy
methods
combining
conjugate
engineering
side
chain
engineering.
DTTP‐ThSO
with
ester
alkyl
that
can
form
six‐membered
ring
by
S⋅⋅⋅O
noncovalent
conformation
lock
thiophene
in
backbone
shows
good
planarity,
high‐quality
film,
matching
energy
level
high
mobility,
as
well
strong
defect
passivation
ability.
Consequently,
a
remarkable
power
conversion
efficiency
(PCE)
23.3
%
nice
long‐term
stability
is
achieved
dopant‐free
DTTP‐ThSO‐based
PSCs,
representing
one
highest
values
un‐doped
organic
PSCs.
Especially,
fill
factor
(FF)
82.3
value
small
HTMs‐based
PSCs
date.
Moreover,
devices
have
an
excellent
PCE
20.9
large‐area
(1.01
cm
2
)
devices.
This
work
clearly
elucidates
structure‐performance
relationships
offers
practical
approach
designing
high‐performance
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
Carbon-based
printable
mesoscopic
solar
cells
(p-MPSCs)
offer
significant
advantages
for
industrialization
due
to
their
simple
fabrication
process,
low
cost,
and
scalability.
Recently,
the
certified
power
conversion
efficiency
of
p-MPSCs
has
exceeded
22%,
drawing
considerable
attention
from
community.
However,
key
challenge
in
improving
device
performance
is
achieving
uniform
high-quality
perovskite
crystallization
within
mesoporous
structure.
This
review
highlights
recent
advancements
p-MPSCs,
with
an
emphasis
on
controlling
kinetics
regulating
morphology
confined
mesopores.
It
first
introduces
offering
a
solid
foundation
understanding
behavior.
Additionally,
summarizes
mechanisms
crystal
nucleation
growth,
explaining
how
these
processes
influence
quality
perovskites.
Furthermore,
commonly
applied
strategies
enhancing
quality,
such
as
additive
engineering,
solvent
evaporation
controlling,
post-treatment
techniques,
are
also
explored.
Finally,
proposes
several
potential
suggestions
aimed
at
further
refining
crystallization,
inspiring
continued
innovation
address
current
limitations
advance
development
p-MPSCs.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(14)
Опубликована: Янв. 18, 2023
Abstract
Hole
transporting
materials
(HTMs)
are
imperative
for
promoting
the
development
of
perovskite
solar
cells
(PSCs).
Herein,
three
isomers
RQ4,
RQ5,
and
RQ6
constructed
by
methylthio
(‐SMe)
group
in
para,
meta,
adjacent
sites
terminal
benzene
on
side‐chain
carbazole‐arylamine
derivatives
based
HTMs,
investigated
means
theoretical
simulation
experimental
characterization.
As
a
result
simulation,
isomeric
HTMs
RQ4‐RQ6
exhibit
appropriate
highest
occupied
molecular
orbital
/lowest
unoccupied
energy
levels
good
optical
properties.
However,
comparison
with
RQ4
better
planar
configuration
closer
stacking
may
be
beneficial
to
promote
hole
coupling,
interface
interaction,
charge
transfer
at
perovskite/HTMs
interface.
In
order
verify
accuracy
model,
designed
synthesized
used
assemble
PSCs
devices.
(20.07%)
RQ5
(18.18%)
devices,
devices
has
higher
power
conversion
efficiency
21.03%
because
its
high
mobility,
film
formation
ability,
large
The
results
confirm
reliability
provide
an
effective
strategy
obtain
potential
through
isomerization
functional
groups.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(14), С. 5080 - 5090
Опубликована: Янв. 1, 2024
Illustration
of
hot
hole
transfer
through
interfacial
S–Pb
interactions,
and
a
peak
efficiency
27.30%
was
achieved
under
5.9
suns
via
ultrafast
extraction.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(12)
Опубликована: Янв. 26, 2024
Abstract
This
review
addresses
the
self‐healing
effects
in
perovskite
solar
cells
(PSCs),
emphasizing
significance
of
chemical
and
physical
bonding
as
core
mechanisms.
Polymeric
additives
play
a
vital
role
inducing
phenomena
along
with
intrinsic
properties
materials,
both
which
are
discussed
herein.
As
relatively
underexplored
area,
effect
induced
by
polymeric
PSCs
is
reviewed
from
perspective.
The
bonds
involved
include
isocyanate,
disulfide,
carboxylic
acid
groups.
related
to
primarily
hydrogen
chelation.
Self‐healing
flexible
devices
extends
their
lifespan
improves
mechanical
robustness
against
environmental
stressors.
discussion
delves
into
initiation
methods
for
self‐healing,
conditions
required,
recovery‐rate
profiles.
not
only
catalogs
various
approaches
but
also
considers
fundamental
limitations
potential
this
phenomenon
PSCs.
In
addition,
insights
an
outlook
on
perovskite‐based
optoelectronics
provided,
offering
guidance
future
research
applications.
