Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 24, 2024
Abstract
Perovskite
solar
cells
(PSCs)
have
achieved
impressive
efficiency,
but
their
commercialization
is
limited
by
issues
like
chemical
homogeneity
within
the
perovskite
films,
leading
to
defects
and
phase
segregation,
which
severely
compromise
stability
performance
of
PSCs.
This
study
presents
a
novel
approach
overcoming
these
barriers
employing
N,N
‐methylenebisacrylamide
(MBA)
as
multifunctional
crosslinking
agent
structure.
MBA
enhances
uniformity
both
laterally
vertically,
improves
crystallinity,
boosts
overall
film
forming
robust
crosslinked
network
that
regulates
nucleation
growth
dynamics
during
pre‐seeding
process.
modification
ensures
uniform
distribution
matrix
significantly
reduces
defect
densities.
As
result,
MBA‐treated
PSCs
notable
improvement
in
power
conversion
efficiency
(PCE),
reaching
up
24.26%,
compared
22.64%
control
devices.
Additionally,
MBA‐modified
devices
demonstrated
remarkable
stability,
maintaining
90%
initial
after
1200
h
continuous
illumination,
contrast
50%
loss
observed
just
500
h.
These
findings
underscore
transformative
potential
an
additive
PSCs,
offering
viable
pathway
not
only
enhance
also
improve
long‐term
devices,
thus
bringing
closer
commercial
viability.
Energy & Environmental Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Herein,
we
have
proposed
a
novel
tridentate
chelation
strategy
to
manage
the
excessive
amount
of
unreacted
PbI
2
in
perovskite
films,
achieving
inverted
PSC
device
with
PCE
25.66%
by
sequential
deposition
method.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 3, 2025
Abstract
Halide
perovskites
hold
great
potential
in
developing
next‐generation
X‐ray
detectors.
However,
preparing
high‐quality
and
thick
perovskite
films
a
way
compatible
with
thin‐film
transistor
(TFT)‐integrated
flat‐panel
detectors
(XFPDs)
remains
challenging.
Here,
by
engineering
ink
effective
printability
shape
fidelity,
direct
writing
(DIW)
is
developed
as
new
approach
to
printing
unique
single‐crystal‐assembled
(SCAP)
film.
In
contrast
polycrystalline
grains
consisting
of
randomly
orientated
crystal
domains,
the
SCAP
made
tightly
packed
crystals
well‐defined
facets,
showing
3–4
orders
magnitude
lower
trap
density
(4.48
×
10
12
cm
−3
).
Consequently,
offers
state‐of‐the‐art
detection
performance
(sensitivity‐to‐dark
current
ratio:
1.26
11
µC
Gy
air
−1
A
),
low
limit
(114.2
nGy
s
negligible
baseline
drift
(0.27
fA
V
Furthermore,
XFPD
based
on
64
pixelated
TFT
array
realizes
high‐resolution
digital
radiography,
opening
avenue
for
further
development
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 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.
Communications Materials,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: July 23, 2024
Abstract
In
the
last
decade,
laboratory-scale
single-junction
perovskite
solar
cells
have
achieved
a
remarkable
power
conversion
efficiency
exceeding
26.1%.
However,
transition
to
industrial-scale
production
has
unveiled
significant
gap.
The
central
challenge
lies
in
difficulty
of
achieving
uniform,
high-quality
films
on
large
scale.
To
tackle
this
issue,
various
innovative
strategies
for
manipulating
crystallization
emerged
recent
years.
Based
an
in-depth
fundamental
understanding
nucleation
and
growth
mechanisms
large-area
prepared
through
blade/slot-die
coating
methods,
review
offers
critical
examination
manipulation
modules.
Lastly,
we
explore
future
avenues
aimed
at
enhancing
stability
PSMs,
thereby
steering
field
toward
commercially
viable
applications.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Abstract
Defect
density
on
the
perovskite
film
surface
significantly
exceeds
that
found
in
bulk,
primarily
due
to
presence
of
dangling
bonds
and
excessive
strain.
Herein,
a
synergistic
engineering
is
reported
aimed
at
reducing
defects
films.
This
method
involves
subjecting
thermally‐annealed
films
controlled
cooling
condition
involving
an
ambient
environment
with
regulated
humidity,
as
opposed
nitrogen
environment,
followed
by
phenethylammonium
iodide
(PEAI)
passivation.
The
treated
moisture
(MC)
exhibit
enhanced
radiative
recombination,
prolonged
charge
carrier
lifetime,
improved
hole
transport
extraction
when
contact
layer
(HTL),
alongside
significant
reduction
Notably,
passivation
effect
PEAI
MC‐treated
amplified
compared
subjected
(NC)
treatment,
evidenced
more
uniform
potential
mapping
markedly
extended
lifetime.
may
arise
from
higher
ratio
newly‐formed
2D
phase
PEA
2
FAPb
I
7
PbI
4
film.
Consequently,
MC‐based
solar
cell
(PSC)
achieves
champion
power
conversion
efficiency
(PCE)
25.28%,
surpassing
NC‐treated
device,
which
exhibits
PCE
only
24.01%.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 5, 2024
Abstract
As
the
world
edges
closer
to
perovskite
solar
cell
(PSC)
commercialization,
state‐of‐the‐art
materials
and
processes
become
publicized
a
much
lesser
degree.
From
current
insights
into
industry
standards,
slot‐die
coating
is
number
one
method
for
fabricating
layer.
Other
significant
layers
can
be
done
using
varying
techniques.
Hence,
in
this
review
article,
all
115
existing
slot‐die‐based
PSC
publications
date
together
with
related
literature
are
crystallized
set
stages
future
scalable
research.
Through
investigation
of
effects
materials,
processes,
structures
on
performance,
stability,
cost
presented.
In
end,
power
output
x
operating
lifetime
per
most
influential
factor
market
consideration.
The
roll‐to‐roll
compatibility
low‐cost
lean
present
cost‐effective
strategy
successful
commercialization.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Abstract
Perovskite
solar
cells
(PSCs)
have
emerged
as
a
promising
alternative
to
silicon
cells,
but
challenges
remain
in
developing
perovskite
inks
and
processes
suitable
for
large‐scale
production.
This
study
introduces
novel
approach
using
colloidal
incorporating
toluene
chlorobenzene
co‐antisolvents
PSC
fabrication
via
slot‐die
process.
It
is
found
that
are
strategically
engineered
can
significantly
improve
the
rheological
properties
of
inks,
leading
enhanced
wettability
high‐quality
film
formation.
The
formation
large
colloids
such
α
cubic
perovskite,
δ
hexagonal
transition
intermediate
phases
promotes
heterogeneous
nucleation
lowers
activation
energy
crystallization,
resulting
superior
crystal
growth
improved
morphology.
Notably,
co‐solvent
enhances
FA‐PbI
3
binding
weakens
dimethyl
sulfoxide
coordination,
which
more
thermodynamically
favorable
crystallization.
strategy
yields
devices
with
maximum
efficiency
21.32%
remarkable
long‐term
stability,
retaining
77%
initial
over
10115
h.
demonstrates
scalability
this
approach,
achieving
20.26%
lab‐scale
minimodules
19.15%
larger
convergence
minimodules.
These
findings
provide
an
understanding
complex
relationship
between
ink
composition,
properties,
quality,
crystallization
kinetics,
device
performance.