Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Abstract
Achieving
high‐efficiency
perovskite
solar
cells
(PSCs)
hinges
on
the
precise
control
of
film
crystallization
process,
often
improved
by
inclusion
additives.
While
dimethyl
sulfoxide
(DMSO)
is
traditionally
used
to
manage
this
its
removal
from
films
problematic.
In
work,
methyl
phenyl
(MPSO)
was
employed
instead
DMSO
slow
rate,
as
MPSO
more
easily
removed
structure.
The
electron
delocalization
associated
with
benzene
ring
in
decreases
density
around
oxygen
atom
group,
thus
reducing
interaction
PbI
2
.
This
strategy
not
only
sustains
formation
a
crystallization‐slowing
intermediate
phase
but
also
simplifies
elimination
additive.
Consequently,
optimized
PSCs
achieved
leading
power
conversion
efficiency
(PCE)
25.95
%
along
exceptional
stability.
provides
novel
method
for
fine‐tuning
enhance
overall
performance
photovoltaic
devices.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 26, 2025
Abstract
Formamidinium
lead
iodide
(FAPbI
3
)
perovskite
films,
ensuring
optically
active
phase
purity
with
uniform
crystal
orientation,
are
ideal
for
photovoltaic
applications.
However,
the
α‐FAPbI
is
easy
to
degrade
into
δ‐phase
due
numerous
defects
within
randomly
oriented
films.
Here,
a
“quasi‐2D”
template
pre‐deposited
on
film
surface
crystallization
process
based
two‐step
preparation
technology,
which
directly
induced
pure
and
highly
orientated
of
across
downward
growth
process.
Furthermore,
enlarged
interaction
between
2D
components
colloidal
properties
delayed
effectively,
yielding
high
crystallinity
low
trap
state
density.
The
resulting
devices
exhibited
champion
efficiency
as
25.79%
comprehensively
improved
device
stability.
This
work
provides
new
insights
utilization
formation
mechanism
behind
perovskites.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 10, 2024
Abstract
High‐quality
perovskite
(PVK)
films
is
essential
for
the
fabrication
of
efficient
and
stable
solar
cells
(PSCs).
However,
unstable
colloidal
particles
in
PVK
suspensions
often
hinder
formation
crystalline
with
low
defect
densities.
Herein,
ethylenediaminetetraacetic
acid
(EDTA)
as
a
stabilizer
into
lead
iodide
(PbI
2
)
introduced
solutions.
EDTA
forms
chelated
complexes
Pb
2+
,
enhancing
electrostatic
repulsion
steric
hindrance
between
particles.
This
stabilizes
inhibits
disordered
motion
(Brownian
motion)
excessive
aggregation.
As
result,
PbI
uniform
hole
distribution
are
formed,
providing
ample
pathways
subsequent
film
growth
sufficient
space.
During
process,
replacement
molecules
by
formamidinium
(FAI)
slows
down
crystallization,
ultimately
leading
to
large
grain
sizes
density.
By
using
this
approach,
champion
power
conversion
efficiencies
(PCEs)
24.05%
FA
0.97
Cs
0.03
3
PSC,
11.08%
CsPbBr
25.19%
0.945
MA
0.025
Pb(I
0.975
Br
PSC
achieved.
Moreover,
EDTA‐based
device
retains
over
90%
its
initial
PCE
after
1000
h
at
maximum
point
(MPP)
under
continuous
illumination.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
review
summarizes
the
progress
and
provides
perspectives
on
perovskite
quantum
dot
photovoltaics,
with
a
focus
surface
chemistry
engineering,
paving
new
direction
for
large-area
low-cost
PV
technology
to
address
major
energy
challenges.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Developing
a
thoroughgoing
recovery
technology
that
allows
simultaneously
separating
and
recovering
all
functional
layers
of
the
end‐of‐life
perovskite
solar
cells
(PSCs),
in
keeping
with
maintaining
potent
device
efficiency
eco‐environment
friendliness,
is
crucial
toward
sustainability
PSCs.
Herein,
we
propose
facile
closed‐loop
recycling
strategy
to
realize
acquisition
reutilization
hole
transport
material
other
retrievable
components
from
obsolete
PSCs,
employing
chlorobenzene
dimethylformamide
sequentially
dissolve
spiro‐OMeTAD
layers.
Surprisingly,
recycled
spiro‐OMeTAD,
i.e.,
oxidized
(spiro‐OMeTAD
•+
)
endows
reinforced
conductivity
mobility,
favorable
energy
band
alignment,
mitigated
defects,
thus
resulting
expedited
extraction
lessened
nonradiative
recombination
loss.
Along
dissolution
layers,
materials
involving
Ag,
PbI
2
,
ITO/SnO
are
concurrently
recovered.
Note
solubilizers
also
eliminate
alien
reagents
environmental
hazards.
The
refabricated
PSC
based
on
recovered
delivers
an
upgrading
power
conversion
up
23.41%
together
open
circuit
voltage
1.17
V,
outperforming
control
fresh
(20.77%,
1.11
V).
Overall,
this
holds
promise
for
realizing
pushes
future
PSCs
sustainability.
Tin-based
perovskites,
characterized
by
their
advantageous
bandgap
and
much
lower
toxicity,
have
emerged
as
a
promising
alternative
to
lead-based
perovskites
in
solar
cell
applications.
However,
the
efficiency
stability
of
tin-based
perovskite
cells
(Sn-PSCs)
are
still
limited
defects
resulting
from
easy
oxidation
Sn2+
Sn4+.
Herein,
an
approach
enhance
optoelectronic
performance
Sn-PSCs
incorporating
terpyridine-zinc(II)
(ZnTPY)
coordination
nanosheets
(CONASHs),
synthesized
via
liquid-liquid
interfacial
polymerization,
into
is
delivered.
Following
physical
fragmentation,
ZnTPY
CONASHs,
enriched
with
unsaturated
terpyridine
groups,
undergo
multidentate
chelation
SnI2,
forming
ZnTPY:SnI2
heterogeneous
nuclei.
This
process
effectively
enhances
crystallization
while
mitigating
recombination
defect
chemistry
related
oxidation.
As
result
superior
crystal
quality,
CONASHs-modified
tin
exhibits
longer
photoluminescence
lifetime.
Consequently,
Sn-PSC
complex
achieves
power
conversion
11.59%,
compared
9.14%
for
control
device,
along
improved
operational
encapsulation.
Thus,
this
work
underscores
critical
role
regulating
precursor
solution
achieve
high-quality
films,
offering
pathway
more
efficient
stable
Sn-PSCs.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 18, 2024
Achieving
high-efficiency
perovskite
solar
cells
(PSCs)
hinges
on
the
precise
control
of
film
crystallization
process,
often
improved
by
inclusion
additives.
While
dimethyl
sulfoxide
(DMSO)
is
traditionally
used
to
manage
this
its
removal
from
films
problematic.
In
work,
methyl
phenyl
(MPSO)
was
employed
instead
DMSO
slow
rate,
as
MPSO
more
easily
removed
structure.
The
electron
delocalization
associated
with
benzene
ring
in
decreases
density
around
oxygen
atom
group,
thus
reducing
interaction
PbI
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 18, 2024
Abstract
The
effective
utilization
of
self‐assembled
monolayers
(SAMs)
has
indeed
resulted
in
significant
improvement
the
power
conversion
efficiency
(PCE)
inverted
perovskite
solar
cells
(PSCs).
However,
poor
interface
contact
between
monolayer
(SAM)
and
layers
limits
further
PSCs.
Herein,
polyaniline
is
employed
as
a
conductive
adhesive,
enabling
interaction
with
simultaneous
coupling
SAM,
to
optimize
buried
contact.
Furthermore,
adhesive
strategy
validated
alleviate
residual
tensile
strain
at
using
non‐destructive
back
grazing‐incidence
wide‐angle
X‐ray
scattering
(BGIWAXS)
technique.
As
result,
optimized
PSCs
achieve
champion
PCE
25.59%
impressive
stability
by
retaining
97.3%
its
initial
after
1200
h
under
ambient
conditions
light‐emitting
diode
illumination.
findings
provide
facial
bridging
play
more
functions
SAM‐based
