Interface
engineering
strategies
passivate
defects
on
the
polycrystalline
perovskite
film
surface
and
improve
stability
of
corresponding
solar
cells
(PSCs).
However,
a
single
interface
step
can
result
in
restricted
benefits
various
occasions.
Therefore,
an
appropriate
additional
modification
be
necessary
to
synergistically
device
performance.
In
this
study,
two-step
strategy
is
developed.
Initially,
CsPbI3
modified
by
choline
iodide
(ChI)
construct
1D
ChPbI3/3D
heterojunction,
then
with
use
crown
ether
applied.
The
further
eliminate
unpassivated
after
heterojunction
construction.
Benefiting
from
inhibited
interfacial
recombination,
resultant
carbon-electrode-based
PSCs
(C-PSCs)
deliver
champion
efficiency
18.78%,
representing
one
highest
levels
field.
Besides,
against
moisture,
heat,
light
stress
due
enhanced
hydrophobicity
suppressed
ion
migration.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
Efficiency,
stability,
and
cost
are
crucial
considerations
in
the
development
of
photovoltaic
technology
for
commercialization.
Perovskite
solar
cells
(PSCs)
a
promising
third‐generation
due
to
their
high
efficiency
low‐cost
potential.
However,
stability
organohalide
perovskites
remains
significant
challenge.
Inorganic
perovskites,
based
on
CsPbX
₃
(X
=
Br
−
/I
),
have
garnered
attention
excellent
thermal
optoelectronic
properties
comparable
those
perovskites.
Nevertheless,
inorganic
faces
several
hurdles,
including
need
high‐temperature
annealing
achieve
photoactive
α‐phase
susceptibility
transitioning
into
nonphotoactive
δ‐phase
under
environmental
stressors,
particularly
moisture.
These
challenges
impede
creation
high‐efficiency,
high‐stability
devices
using
low‐cost,
scalable
manufacturing
processes.
This
review
provides
comprehensive
background
fundamental
structural,
physical,
lead‐halide
It
discusses
latest
advancements
fabricating
PSCs
at
lower
temperatures
ambient
conditions.
Furthermore,
it
highlights
progress
state‐of‐the‐art
devices,
manufactured
environments
reduced
temperatures,
alongside
simultaneous
upscaling
PSCs.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Abstract
The
complete
phase
transition
from
DMAPbI
3
and
Cs
4
PbI
6
intermediates
to
the
final
CsPbI
perovskite
is
pivotal
for
fabricating
high‐quality
inorganic
films.
In
this
study,
reaction
energy
barrier
between
sought
be
reduced
by
increasing
their
surface
energy,
where
a
perfluorinated
compound
designed
using
DFT
modeling
saturate
of
effectively
prevent
crystalline
growth.
Consequently,
smaller
with
ultrahigh
react
more
energetically
facilitate
rapid
conversion
desired
phase.
It
found
that
resultant
shows
improved
crystallinity
morphology,
as
demonstrated
suppressed
non‐radiative
recombination
prolonged
carrier
lifetimes.
As
result,
optimized
solar
cells
(PSCs)
achieve
power
efficiency
(PCE)
over
20%,
along
significantly
light
thermal
stability.
This
work
provides
way
regulate
crystallization
dynamics
advanced
quality
perovskites.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(33)
Published: June 17, 2024
Carbon-based
perovskite
solar
cells
(C-PSCs)
have
the
advantages
of
low-cost
and
high-stability,
but
their
photovoltaic
performance
is
limited
by
severe
defect-induced
recombination
low
hole
extraction
efficiency.
1D
proven
to
effectively
passivate
defects
on
surface,
therefore
reducing
non-radiative
loss.
However,
unsuitable
energy
level
most
renders
an
undesired
downward
band
bending
for
3D
perovskite,
resulting
in
a
high
barrier
reduced
Therefore,
rational
design
selection
perovskites
as
modifiers
are
essential
balancing
defect
passivation
extraction.
In
this
work,
based
simulation
calculations,
thiocholine
iodide
(TchI)
selected
prepare
with
work
function
then
constructs
TchPbI
Solar RRL,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 11, 2024
Perovskite
solar
cells
(PSCs)
have
attracted
widespread
attention
due
to
their
low
cost
and
high
efficiency.
So
far,
a
variety
of
single‐junction
PSCs
been
successfully
developed
considered
for
commercialization,
including
normal
(N‐PSCs),
inverted
(I‐PSCs),
carbon‐based
(C‐PSCs)
without
hole
transporter.
Herein,
the
material
cost,
equipment
depreciation
energy
consumption
these
three
types
(1
m
2
)
in
detail
are
analyzed.
As
indicated,
total
fabrication
N‐PSCs
($86.49)
I‐PSCs
($81.31)
is
very
close,
but
significantly
reduced
$41.16
C‐PSCs
(49%–52%
reduction)
because
carbon
electrode
much
cheaper
than
noble
metal
organic
Besides,
only
low‐cost
slot‐die
coating
process
with
needed
deposition
electrode,
while
expensive
physical
vapor
reactive
plasma
processes
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 28, 2024
Abstract
Carbon‐based
CsPbI
3
perovskite
solar
cells
without
hole
transporter
(C‐PSCs)
have
achieved
intense
attention
due
to
its
simple
device
structure
and
high
chemical
stability.
However,
the
severe
interface
energy
loss
at
/carbon
interface,
attributed
lower
selectivity
for
inefficient
charge
separation,
greatly
limits
performance.
Hence,
dipole
electric
field
(DEF)
is
deployed
above
address
issue
by
using
a
pole
molecule,
4‐trifluoromethyl‐Phenylammonium
iodide
(CF
‐PAI),
in
which
─NH
group
anchors
on
surface
─CF
extends
away
from
it
connects
with
carbon
electrode.
The
DEF
proven
align
built‐in
field,
that
pointing
toward
electrode,
well
enhances
separation
interface.
Besides,
CF
‐PAI
molecules
also
serve
as
defect
passivator
reducing
trap
state
density,
further
suppresses
defect‐induced
non‐radiative
recombination.
Consequently,
C‐PSCs
achieve
an
excellent
efficiency
of
18.33%
V
OC
1.144
inorganic
transporter.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 1, 2024
Abstract
Wide‐bandgap
(WBG)
(
E
g
≥
1.65
eV)
perovskite
solar
cells
(PSCs)
made
from
mixed‐halide
strategy
experience
severe
photo‐induced
halide
segregation,
leading
to
detrimental
effects
on
the
long‐term
operational
stability.
Developing
single‐halogen
WBG
perovskites
can
be
fundamental
solution
prevent
segregation.
In
this
review,
recent
advances
in
PSCs,
focusing
cesium
(Cs)‐based
pure‐iodide
(I)
and
all
pure‐bromine
(Br)
species
is
summarized.
A
detailed
discussion
conducted
crystallization
dynamics
of
different
systems.
The
key
challenge
for
PSCs
huge
energy
loss
due
inferior
interfacial
level
alignment
high
defect
density
films,
which
greatly
hinders
efficiency
improvement.
To
end,
it
systematically
discuss
optimization
strategies,
including
regulating
crystallization,
passivating
defects,
achieving
aligned
levels,
eliminating
microstrain,
enhance
photovoltaic
performance
cells.
Furthermore,
highlighted
that
Cs‐based
pure‐I
encounter
significant
stability
issue
their
low
structural
tolerance
factor,
warranting
substantial
attention.
Finally,
perspectives
are
outlined
suggest
ways
further
advance
development
application
PSCs.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 4, 2025
Carbazole-based
self-assembled
small
molecules
are
promising
and
commonly
used
hole
transport
layers
(HTLs)
materials
for
inverted
perovskite
solar
cells
(IPSCs).
Here,
a
novel
perdeuterated
carbazole-based
SAM
named
4PACzd8
is
obtained.
Owing
to
the
deuteration
strategy,
which
causes
reduction
in
molecular
vibration
frequency,
modulates
crystallization
atop
suppresses
interfacial
non-radiative
recombination.
Furthermore,
it
noteworthy
that
demonstrates
heightened
UV
absorption
properties,
thereby
offering
enhanced
protection
underlying
film
from
degradation
resulting
exposure.
Compared
with
non-deuterated
analog
4PACz,
champion
device
employing
showed
higher
power
conversion
efficiency
(PCE)
of
24.87%
excellent
stability.
The
impressive
PCE
by
far
one
highest
values
IPSCs
simple
SAMs
as
HTLs.
Wearable electronics.,
Journal Year:
2024,
Volume and Issue:
1, P. 150 - 159
Published: Aug. 23, 2024
Much
progress
has
been
made
in
wearable
electronics
recent
years,
with
fiber-based
devices
offering
unprecedented
capabilities
vision,
hearing,
environmental
sensing,
communication,
energy
management,
and
computing.
However,
the
operation
of
multi-functional
fabrics
requires
a
robust
supply.
Fibers
are
regarded
as
suitable
media
for
new
paradigm
perovskite
solar
cells
owing
to
their
unique
properties,
including
high
dynamic
flexibility,
large
surface
area,
low
weight,
good
integrability.
device
performance
still
impedes
practical
applications.
Forming
uniform
crystalline
films
on
highly
curved
surfaces
is
great
challenge,
yet
much
made.
Herein,
advances
development
fiber-shaped
cells,
those
relating
structure
evolution
working
principles,
well
categorical
optimizing
growth
various
substrates,
designing
deposition
methods,
composition
engineering
reviewed.
Promising
research
directions
(e.g.,
photovoltaic
devices)
then
suggested
promote
cells.
Fiber-based
thus
promising
choices
supplies.