Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 14, 2025
Abstract
Hole‐selective
self‐assembled
monolayers
(SAMs)
have
emerged
as
a
novel
recombination
junction
material
critical
in
the
development
of
high‐performance
photovoltaic
devices.
However,
SAMs
tend
to
accumulate
on
substrates
and
can
be
desorbed
by
strong
polar
solvents,
resulting
poor‐quality
perovskite
films.
Herein,
simple
phosphonic
acid
SAM
molecule
named
V3PACz
with
vinyl
ether
side
groups
is
first
strategically
developed
for
situ
fabrication
polymeric
hole‐transport
layer
(HTL).
The
chain
improves
surface
polarity
solubility
SAM.
More
importantly,
enable
polymerization,
forming
densely
packed
stable
HTL
high
conductivity
anti‐solvent
resistance.
Meanwhile,
Poly‐V3PACz
synchronously
provides
satisfied
wettability
interfacial
functionalization.
Utilizing
these
advantages,
Poly‐V3PACz‐based
device
achieves
champion
power
conversion
efficiency
25.21%,
which
represents
one
highest
reported
efficiencies
crosslinked
HTLs
inverted
PSCs.
unencapsulated
maintained
92.1%
its
initial
PCE
after
500
h
storage
at
85
°C
(dark),
91.9%
1200
tracking
maximum
point
(MPP).
This
work
underscores
promising
potential
crosslinking
strategy
fabricating
toward
Efficient
Stable
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 8, 2024
The
organic-inorganic
lead
halide
per
materials
have
emerged
as
highly
promising
contenders
in
the
field
of
photovoltaic
technology,
offering
exceptional
efficiency
and
cost-effectiveness.
commercialization
perovskite
photovoltaics
hinges
on
successfully
transitioning
from
lab-scale
solar
cells
to
large-scale
modules
(PSMs).
However,
PSMs
significantly
diminishes
with
increasing
device
area,
impeding
commercial
viability.
Central
achieving
high-efficiency
is
fabricating
uniform
functional
films
optimizing
interfaces
minimize
energy
loss.
This
review
sheds
light
path
toward
PSMs,
emphasizing
pivotal
role
integrating
cutting-edge
scientific
research
industrial
technology.
By
exploring
scalable
deposition
techniques
optimization
strategies,
advancements
challenges
large-area
are
revealed.
Subsequently,
architecture
contact
delved
while
addressing
pertinent
interface
issues.
Crucially,
loss
during
scale-up
stability
risks
encountered
by
analyzed.
Furthermore,
efforts
highlighted,
perspective
revolutionizing
renewable
energy.
highlighting
technical
developing
importance
combining
science
industry
drive
their
industrialization
pave
way
for
future
stressed.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 23, 2024
Abstract
In
the
landscape
of
photovoltaic
research,
carbon‐based
perovskite
solar
cells
(C‐PSCs)
have
attracted
widespread
attention
due
to
their
outstanding
stability.
However,
compared
metal‐based
PSCs,
power
conversion
efficiency
(PCE)
lags
markedly
behind.
The
key
lies
in
two
primary
factors:
First,
inefficiency
carbon
electrode
transporting
and
collecting
carriers;
second,
energy
level
mismatch
with
adjacent
functional
layers.
These
problems
increase
both
charge
transport
resistance
injection
barriers,
thereby
diminishing
overall
device.
this
study,
an
effective
strategy
is
presented
tackle
issue
by
developing
modular
C‐PSCs
that
utilize
dual
electrodes
implement
multiscale
modulation.
This
approach
specifically
focuses
on
three
crucial
aspects:
establishing
a
highly
conductive
network,
ensuring
sufficient
interfacial
contact,
achieving
well‐matched
band
alignment.
By
synergistically
incorporating
0D
black
(CB)
1D
nanotube
(CNT)
into
electrodes,
resilient
network
enhanced
contact
established,
creating
favorable
conditions
for
efficient
carrier
transfer.
Additionally,
structure
CB
meticulously
adjusted
at
molecular
scale
introducing
individually
adsorbed
titanium
(Ti)
atoms,
effectively
addressing
hole
layer
(spiro‐OMeTAD),
notably
reducing
barrier
interface.
Based
above
strategy,
PCE
has
undergone
remarkable
enhancement
from
15.27%
22.45%.
Moreover,
device
shows
excellent
stability,
its
retaining
over
95%
initial
value
even
after
1000
h
continuous
operation
under
one‐sun
intensity.
Semiconductor Science and Technology,
Год журнала:
2025,
Номер
40(3), С. 035004 - 035004
Опубликована: Янв. 14, 2025
Abstract
This
study
aims
at
exploring
the
potential
of
inorganic
wide-bandgap
mixed-halide
aluminum-containing
perovskites
Cs
3
AlI
x
Br
6−
for
solar
harvesting,
by
investigating
their
structural,
electronic
and
optical
properties
through
density
functional
theory
using
augmented
plane
wave
plus
local
orbital
method.
The
structural
were
calculated
with
PBE-GGA
potential.
Volume
optimization
negative
formation
energies
confirm
thermal
stability
compounds.
Tran–Blaha
modified
Becke–Johnson
(TB-mBJ)
TB-mBJ
corrected
band
gaps
revealed
that
these
materials
belong
to
(WBG)
perovskite
family,
displaying
in
range
3–5
eV.
direct
bandgap
nature,
I-p
Br-p
states
mainly
contributing
valence
Al-s,
Al-p
Cs-d
conduction
band.
Absorption
coefficients
from
10
to140
×
4
per
cm
UV
region,
thus
making
WBG
suitable
applications
this
region.
Optical
show
absorption
light
beyond
eV
validate
gaps.
coefficients,
conductivity
dielectric
function
(real
imaginary)
a
peak
shift
higher
lower
increasing
I
concentration.
above
results
suggest
can
be
highly
considered
use
photovoltaics,
optoelectronic
devices
(light-emitting
diodes,
photodiodes),
power
small
batteries
Internet
Things,
agrivoltaics
fabrication
semi-transparent
cells.
