While
laser
wireless
power
transfer
(LWPT)
technology
possesses
transformative
potential
for
powering
autonomous
underwater
vehicles,
converters
(LPCs)
based
on
conventional
III–V
materials
experience
significant
efficiency
losses
in
aquatic
environments.
As
a
superior
alternative
candidate,
wide‐bandgap
formamidinium
lead
bromide
(FAPbBr
3
)
perovskite
demonstrates
considerable
achieving
highly
efficient
LPCs.
However,
FAPbBr
is
often
susceptible
to
various
bulk
and
interfacial
defects
due
its
rapid
uncontrollable
crystallization
process,
rendering
the
formation
of
uniform
dense
α
‐phase
films
challenging.
In
this
study,
dual‐additive
strategy
introduced,
wherein
rubidium
iodide
(RbI)
cooperates
with
methylammonium
chloride
(MACl)
facilitate
attainment
high‐quality
crystals.
result,
RbI‐treated
LPC
achieves
champion
conversion
54.03%
under
70
mW
cm
−2
@
532
nm
irradiation.
Moreover,
device
exhibits
significantly
enhanced
long‐term
storage
(
T
92
25°C
1800
h)
thermal
stability
90
80°C
500
h).
This
work
provides
valuable
insights
foundational
knowledge
development
LPCs
their
application
LWPT
systems.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(19), С. 7342 - 7354
Опубликована: Янв. 1, 2024
Tetrafluorosuccinic
acid
was
introduced
into
the
buried
interface
to
stabilize
FA
cations,
mediate
crystal
growth
of
perovskite
and
reduce
hole-transport
barrier,
delivering
a
record
efficiency
25.92%
for
RbCsFAMA-based
solar
cells.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
Abstract
The
rapid
expansion
of
the
Internet
Things
demands
low‐power
devices
that
integrate
memory,
sensors,
and
logic
functions.
Perovskite
materials
show
promise
for
optoelectronic
memristors;
however,
challenges
such
as
nonuniform
trap
distribution
uncontrolled
filament
formation
hinder
their
resistive
switching
performance.
To
overcome
these
issues,
a
TiO
2
nanofilm
via
atomic
layer
deposition
base
formation,
is
introduced.
This
passivates
interfacial
defects
by
forming
strong
chemical
interactions
with
Pb
2+
I
−
ions
at
perovskite
interface,
significantly
reducing
densities
(interface
density
decreases
15‐fold
to
3.0
×
10
16
cm
−3
,
bulk
1.8
14
).
Improved
energy
band
alignment
enables
efficient
electron
transport,
yielding
low‐
V
SET
(+0.24
V)
excellent
(≈0.7
µW)
nonvolatile
memory
Additionally,
device
reliably
detects
near‐infrared
illumination
an
optical
input
reconfigurable
image
recognition
using
5
array
under
combined
stimuli.
It
also
facilitates
implementation
complex
gates,
AND,
OR,
flip‐flops.
paper
demonstrates
potential
integrating
sensing,
functionalities
into
single
through
incorporation
nanolayer.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Abstract
Surface
termination
is
so
far
the
mainstream
passivating
method
to
enhance
performance
of
CsPbI
3
solar
cells.
However,
surface
can
hardly
achieve
effective
and
homogeneous
passivation
on
large‐area
films,
which
one
key
challenge
toward
high‐performance
inorganic
perovskite
modules
(PSMs).
The
strong
ionic
bond
between
Cs
Pb‐I
framework
in
makes
it
difficult
construct
2D
layer
film
via
post
treatment,
otherwise
a
classic
effectual
approach
for
defect
elimination
organic–inorganic
hybrid
perovskites.
Herein,
novel
programmable
reconstruction
strategy
reported
that
facilely
tune
using
2‐(1‐cyclohexenyl)
ethyl
ammonium
iodide
(CHEAI).
In
comparison
termination,
situ
formation
CHEA
2
PbI
4
by
adjusting
stoichiometry
CHEAI
demonstrates
more
comprehensive
effects
favorable
energy
level
alignment
films.
Such
construction
has
greatly
facilitated
enhancement
device
performance,
especially
when
scaling
up
area.
optimal
PSM
(active
area
12.44
cm
)
based
achieves
record‐high
efficiency
19.32%
(certified
18.83%)
with
much
improved
stability,
endorsing
practical
promotion
this
intrinsically
stable
material.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(19), С. 7271 - 7280
Опубликована: Янв. 1, 2024
p–i–n
inorganic
PSCs
with
ytterbium
cation
surface
treatment
achieve
an
efficiency
of
21.4%
enhanced
stability,
benefiting
from
improved
interfacial
band
energy
alignment,
reduced
defects
and
iodide
migration.
Applied Physics Letters,
Год журнала:
2025,
Номер
126(15)
Опубликована: Апрель 1, 2025
Inorganic
CsPbI2Br
perovskite
solar
cells
have
attracted
widespread
attention
due
to
their
outstanding
performance
and
photo-thermal
stability.
However,
the
rapid
crystallization
of
solution-processed
film
often
results
in
poor
crystallinity
a
high
density
defects,
which
seriously
restrict
improvement
device
performance.
Here,
we
introduce
dual-functional
additive,
4-amino-5-aminomethyl-2-methylpyrimidine
(AMP),
regulate
reduce
defect
film.
The
introduction
AMP
notably
improves
morphology
promotes
preferred
crystal
orientation.
C=N
amino
groups
interact
with
Pb2+
Br-
perovskite,
respectively,
effectively
passivating
defects
improving
carrier
lifetime.
As
result,
power
conversion
efficiency
optimized
carbon-based
hole-transport
layer-free
reaches
13.30%,
exceeds
10.66%
control
device.
environmental
light
stability
is
also
significantly
improved.
This
work
provides
valuable
insights
into
development
high-performance
all-inorganic
via
additive
strategies.
