Langmuir,
Journal Year:
2024,
Volume and Issue:
40(43), P. 22591 - 22601
Published: Oct. 15, 2024
Fabricating
thin
metal
layers
and
particularly
observing
their
formation
process
in
situ
is
of
fundamental
interest
to
tailor
the
quality
such
a
layer
on
polymers
for
organic
electronics.
In
particular,
high
power
impulse
magnetron
sputtering
(HiPIMS)
establishing
has
sparsely
been
explored
situ.
Hence,
this
study,
we
investigate
growth
gold
(Au)
with
HiPIMS
compare
Au
prepared
by
conventional
direct
current
(dcMS).
was
chosen
because
it
an
inert
noble
scattering
length
density.
This
allows
us
track
growing
nanostructures
via
grazing
incidence
scattering.
deposition
polymer
polystyrene
(PS)
respective
structural
analogues
poly-4-vinlypyridine
(P4VP)
sulfonic
acid
(PSS)
studied.
Additionally,
nanostructured
these
different
films
are
further
probed
field
emission
scanning
electron
microscopy
(FESEM),
atomic
force
(AFM),
X-ray
reflectometry
(XRR),
four-point
probe
measurements.
We
report
that
leads
smaller
island-to-island
distances
throughout
whole
sputter
process.
Moreover,
increased
cluster
density
earlier
percolation
threshold
achieved
compared
dcMS.
early
stage,
observe
significant
increase
coverage
HiPIMS,
which
favorable
improvement
polymer–metal
interface.
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
12(14), P. 5138 - 5149
Published: Jan. 1, 2024
Thermal
degradation
experiments
in
GA
x
FA
y
MA
1−
−
PbI
3
perovskites
show
that
mixed
compositions
are
generally
more
stable,
but
not
always.
Large
+
cations
may
decrease
the
stability
and
even
change
order
of
kinetics.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
Abstract
Metal
halide
perovskite‐based
devices
can
exhibit
exceptional
optoelectronic
performance
at
relatively
high
defect
densities,
a
phenomenon
commonly
referred
to
as
tolerance,
which
is
one
of
the
most
important
features
metal
perovskites
(MHPs).
Defect
tolerance
previously
thought
be
static
property,
determined
solely
by
composition
and
manufacturing
process.
However,
recent
studies
have
shown
that
MHPs
dynamic
vary
over
time.
For
example,
power
conversion
efficiency
MHPs‐based
solar
cells
has
been
found
improve
significantly
under
continuous
illumination.
Although
this
unique
self‐optimization
behavior
MHPs,
it
seriously
affect
stability
output
in
real‐world
operating
conditions.
In
view
this,
extensive
research
conducted,
but
physical
mechanism
photoinduced
(DDT)
remained
inconclusive,
both
mechanisms
experimental
phenomena
continue
subjects
controversy.
Therefore,
timely
summarization
on
related
DDT
urgently
needed.
review,
systematic
overview
first
provided
phenomena,
characteristics,
influencing
factors
DDT.
Following
that,
proposed
for
are
summarized,
with
focus
carrier‐defect
carrier‐lattice
interactions.
Finally,
current
challenges
faced
summarized
an
outlook
future
developments
provided.
This
review
aims
offer
comprehensive
understanding
enhance
cells,
thereby
facilitating
advancement
commercialization
these
technologies.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 28, 2025
Abstract
Intense
pulsed
light
(IPL)
annealing
has
emerged
as
a
transformative
technology
for
the
high‐throughput,
low‐cost
fabrication
of
perovskite
films,
enabling
rapid
conversion
precursor
wet
films
into
within
milliseconds.
Despite
their
potential,
efficiencies
IPL‐processed
devices
have
yet
to
match
those
achieved
through
conventional
thermal
(TA),
primarily
due
challenges
uncontrolled
crystallization
and
defect
formation
during
IPL
process.
In
this
study,
solid
Lewis
base
additive,
dodecyl
methyl
sulfoxide
(DodecylMSO)
is
introduced,
modulate
crystal
growth
improve
film
morphology
uniformity
under
conditions.
DodecylMSO
acts
sacrificial
with
X‐ray
photoelectron
spectroscopy
(XPS)
confirming
majority
it
removed
in
final
films.
Compared
control
DodecylMSO‐modified
exhibited
significantly
reduced
densities
enhanced
carrier
extraction
transport
properties.
Leveraging
approach,
p‐i‐n
solar
cells
(PSCs)
demonstrated
champion
power
efficiency
23.5%
fabricated
via
IPL.
This
coordination
strategy
not
only
addresses
key
processing
but
also
opens
new
avenues
advancing
manufacturability
scalability
high‐performance
PSCs.
ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
17(9), P. 14138 - 14146
Published: Feb. 19, 2025
Despite
showing
great
potential
in
lead-free
green
energy,
tin-based
perovskite
materials
still
face
challenges
such
as
inherent
material
instability
and
energy
level
misalignment
with
the
hole
transport
layer
(HTL),
which
limits
advancement
of
solar
cells
(Sn-PSCs).
In
this
work,
a
natural
antioxidant
organic
small
molecule,
thiolactic
acid
(TA),
is
used
to
modify
interface
between
PEDOT:PSS
film.
The
TA
molecule
can
cross-link
form
network
polymer
regulate
microstructure
photoelectrical
characteristics
PEDOT:PSS.
Meanwhile,
contains
C═O
C─S
groups,
interact
Sn2+
inhibit
its
oxidation.
Moreover,
introduction
interfacial
modification
effectively
improves
morphology
film,
suppresses
charge
recombination,
promotes
carrier
transport.
Thus,
TA-modified
Sn-PSCs
achieve
champion
power
conversion
efficiency
9.03%,
surpassing
6.92%
control
PSCs.
Even
after
being
stored
for
1000
h
nitrogen
atmosphere,
unencapsulated
devices
maintain
95.4%
their
original
PCE,
compared
only
66.5%
devices.
This
study
demonstrates
significance
PEDOT:PSS/tin-perovskite
on
stability
Sn-PSCs.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 16, 2025
Two-dimensional
(2D)
tin
(Sn2+)-based
perovskites
have
emerged
as
promising
p-type
semiconducting
materials
for
(opto)electronic
devices
due
to
their
favorable
balance
of
electrical
performance
and
structural
stability.
While
previous
studies
on
2D
predominantly
investigated
Ruddlesden-Popper
(RP)
with
monoammonium
spacers,
Dion-Jacobson
(DJ)
diammonium
spacers
recently
sparked
attention
in
the
research
community.
The
strong
hydrogen
bonds
at
both
ends
spacer,
connecting
neighboring
inorganic
octahedral
layers,
promote
stability
efficient
charge
transport
DJ
perovskites.
This
study
systematically
investigates
a
series
Sn2+
perovskites,
[H3N-(CH2)m-(NH)3SnI4]
(m
=
3-8),
explore
influence
from
length
spacer
chains
lattice
structures,
film
crystallinity,
properties.
Our
findings
reveal
that
even-numbered
4,
6,
8)
exhibit
well-ordered
layered
whereas
those
odd-numbered
3,
5,
7)
disrupt
formation
structures.
Furthermore,
we
precursor
stoichiometry
can
govern
phase
evolution
along
role
parity.
Among
1,4-butanediammonium
iodide
(BDASnI4,
m
4)
exhibits
optimal
superior
Moreover,
introduction
an
additional
self-assembly
monolayer
([2-(3,6-diiodo-9H-carbazol-9-yl)ethyl]phosphonic
acid,
I-2PACz)
between
dielectric
channel
layers
further
enhances
interface
quality
reduces
trap
density.
optimized
transistor
significantly
reduced
hysteresis
boosted
field-effect
mobility
up
1.45
cm2
V-1
s-1.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(26), P. 33917 - 33927
Published: June 19, 2024
Despite
the
remarkable
progress
of
perovskite
solar
cells
(PSCs),
substantial
inherent
defects
within
perovskites
restrict
achievement
higher
efficiency
and
better
long-term
stability.
Herein,
we
introduced
a
novel
multifunctional
imidazole
analogue,
namely,
1-benzyl-3-methylimidazolium
bromide
(BzMIMBr),
into
precursors
to
reduce
bulk
inhibit
ion
migration
in
inverted
PSCs.
The
electron-rich
environment
−N–
BzMIMBr
structure,
which
is
attributed
adjacent
benzene
ring-conjugated
effectively
passivates
uncoordinated
Pb2+
cations.
Moreover,
interaction
between
additive
can
hinder
deprotonation
formamidinium
iodide/methylammonium
iodide
(FAI/MAI),
extending
crystallization
time
improving
quality
films.
This
also
inhibits
subsequent
deposited
films,
leading
noteworthy
decrease
trap
states.
Various
characterization
studies
show
that
BzMIMBr-doped
films
exhibit
superior
film
morphology
surface
uniformity
reduced
nonradiative
carrier
recombination,
consequently
enhancing
crystallinity
by
reducing
bulk/surface
defects.
PSCs
fabricated
on
thin
power
conversion
23.37%,
surpassing
pristine
device
(20.71%).
Additionally,
added
substantially
increased
hydrophobicity
perovskite,
as
unencapsulated
devices
still
retained
93%
initial
after
1800
h
exposure
air
(45%
relative
humidity).