Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 20, 2024
The
utilization
of
small
organic
molecules
with
appropriate
functional
groups
and
geometric
configurations
for
surface
passivation
is
essential
achieving
efficient
stable
perovskite
solar
cells
(PSCs).
In
this
study,
two
isomers,
4-sulfonamidobenzoic
acid
(4-SA)
3-sulfamobenzoic
(3-SA),
both
featuring
sulfanilamide
carboxyl
arranged
in
different
positions,
are
evaluated
their
effectiveness
passivating
defects
the
layer.
calculation
characterization
results
reveal
that
3-SA,
its
meta-substitution,
offered
superior
compared
to
para-substituted
4-SA,
leading
enhanced
charge
carrier
dynamics
extraction
efficiency.
devices
treated
3-SA
demonstrates
a
notable
increase
power
conversion
efficiency
from
21.50%
23.30%.
Moreover,
these
maintain
over
90%
initial
after
2000
h
30%
relative
humidity
environment,
showcasing
exceptional
long-term
stability.
This
research
advances
strategic
design
approaches
molecule
passivation,
providing
critical
insights
enhancement
optoelectronic
applications.
SusMat,
Journal Year:
2024,
Volume and Issue:
4(4)
Published: July 29, 2024
Abstract
Active
oxygen
highly
affects
the
efficiency
and
stability
of
perovskite
solar
cells
(PSCs)
owing
to
capacity
either
passivate
defects
or
decompose
lattice.
To
better
understand
in‐depth
interaction,
we
demonstrate
for
first
time
that
photooxidation
mechanism
in
all‐inorganic
film
dominates
phase
deterioration
kinetics
by
forming
superoxide
species
presence
light
oxygen,
which
is
significantly
different
from
organic‒inorganic
hybrid
even
tin‐based
perovskites.
In
perovskites,
prefer
oxidize
longer
weaker
Pb‒I
bond
PbO
I
2
,
leaving
much
stable
CsPbBr
3
phase.
From
this
chemical
proof‐of‐concept,
employ
an
organic
bioactive
factor,
Tanshinone
IIA,
as
a
sweeper
enhance
environmental
tolerance
inorganic
perovskite,
serving
“skincare”
agent
anti‐aging
organisms.
Combined
with
another
key
point
on
healing
defective
lattice,
best
carbon‐based
CsPbI
Br
cell
delivers
high
15.12%
superior
against
light,
humidity,
heat
attacks.
This
method
also
applicable
p‒i‒n
inverted
(Cs
0.05
MA
FA
0.9
)Pb(I
0.93
0.07
)
23.46%.
These
findings
not
only
help
us
decomposition
mechanisms
depth
but
provide
potential
strategy
advanced
PSC
platforms.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(34), P. 23067 - 23075
Published: Jan. 1, 2024
An
n/n
−
homojunction
at
the
top
perovskite/carbon
interface
is
realized
by
doping
natural
additive
for
accelerating
charge
extraction
and
suppressing
carrier
nonradiative
recombination
in
carbon-based
CsPbI
2
perovskite
solar
cells.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Formamidinium
(FA)
based
perovskites
have
emerged
as
one
of
the
most
promising
light‐absorber
layers
for
both
single‐junction
and
advanced
top‐cell
tandem
photovoltaics,
owing
to
their
precisely
engineered
electronic
bandgap
exceptional
stability.
However,
because
mismatch
FA
cation
intricate
crystallization
FA‐based
perovskite,
formation
an
impurity
phase
is
inevitable,
which
reduces
efficiency
Herein,
a
N‐Phenyl‐bis(trifluoromethanesulfonimide)
(NPTFSI)‐assisted
method
presented
mitigate
phase,
i.e.,
face‐sharing
octahedra,
achieve
pure
stable
perovskite.
Comprehensive
characterization
shows
that
addition
NPTFSI
increases
energy
octahedra
while
reducing
corner‐sharing.
This
effectively
suppresses
in
perovskite
films.
Suppressing
these
octahedral
phases
not
only
enhances
stability
films
under
heating
or
humidity
conditions
but
also
improves
carrier
dynamics.
Finally,
champion
devices
deliver
significantly
enhanced
from
23.23%
25.74%.
Moreover,
PSCs
exhibit
excellent
stability:
retain
96%
initial
after
over
500
h
maximum
power
point
test.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
review
systematically
analyses
the
recombination
pathways
in
PSCs,
unveils
cutting-edge
suppression
strategies,
and
underscores
potential
of
ML
optimizing
device
performance
expediting
commercial
integration.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
Abstract
Diammonium
derivatives
with
electron‐withdrawing
cores
of
cyclohexyl
or
phenyl
have
demonstrated
enormous
potential
in
achieving
high‐performance
perovskite
solar
cells.
Nevertheless,
the
critical
role
these
diammonium
passivation
on
device
performance
is
yet
to
be
elucidated.
Herein,
two
kinds
ligands
1,
4‐cyclohexyldimethylammonium
diiodide
(CyDMADI)
and
4‐phenyldimethylammonium
(PhDMADI)
are
introduced
into
precursor
for
bulk
passivation.
The
PhDMADI
system
exhibits
a
stronger
unit
comparison
CyDMADI
core,
thus
resulting
enhanced
electrostatic
interaction
between
uncoordinated
Pb
2+
groups
hydrogen
bonds
I─Pb
skeleton.
Such
strengthened
interactions
effectively
inhibit
generation
trap
states
therefore
significantly
decrease
non‐radiative
recombination.
PhDMADI‐passivated
film
demonstrates
mitigated
microstrain
decreased
grain
boundary
grooves
（GBGs）
compared
CyDMADI‐based
counterpart.
Simultaneously,
treatment
can
efficiently
slow
down
hot‐carriers
cooling
dynamics
process,
benefiting
transfer
hot‐carriers.
Consequently,
achieves
an
impressive
efficiency
26.04%,
along
excellent
operating
stability
which
retains
90%
its
initial
after
1100
h
tracking
at
maximum
power
point
under
continuous
one
sun
illumination.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(30), P. 39312 - 39320
Published: July 22, 2024
Perovskite
solar
cells
(PSCs)
have
led
to
distinguished
achievements
and
become
one
of
the
state-of-the-art
photovoltaic
technologies.
Undoubtedly,
reliable
preparation
large
area
high-quality
perovskite
(PVK)
films
with
uniform
optoelectronic
properties
has
a
critical
challenging
task
transition
PSCs
from
lab
market.
Here,
methyldiphenylphosphine
oxide
(MDPPO)
is
employed
as
an
additive
in
PVK
precursor
solution
promote
conductivity
carrier
transport
films.
More
important,
check
its
compatibility
upscaling
process,
MDPPO
strategy
was
further
applied
doctor-blade
large-area
As
result,
benefit
favorable
role
additive,
power
conversion
efficiencies
(PCEs)
small-area
reach
23.85%
superb
open
circuit
voltage
(
