Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 16, 2024
The
stability
and
difficulty
in
the
large-scale
fabrication
of
perovskite
solar
cells
have
always
affected
their
commercial
development.
In
this
study,
we
investigated
a
Nb5+-doped
SnO2
electron
transport
layer
to
passivate
surface
defects.
We
fabricated
cell
devices
using
full
doctor-blade
coating
method
analyzed
effects
doping
on
morphology,
water
contact
angle,
device
performance.
passivated
thin
films
showed
significant
reduction
defects,
improved
transport,
2.3-fold
enhancement
hydrophobicity,
its
photovoltaic
performance
is
maintained
better
than
that
freshly
prepared
undoped
after
under
unencapsulated
atmospheric
conditions
placed
for
1000
h.
Due
simple
process,
lower
cost,
ease
preparation,
it
provides
feasible
solution
development
cells.
InfoMat,
Journal Year:
2024,
Volume and Issue:
6(4)
Published: Feb. 1, 2024
Abstract
Over
the
last
decade,
perovskite
solar
cells
(PSCs)
have
drawn
extensive
attention
owing
to
their
high
power
conversion
efficiency
(single
junction:
26.1%,
perovskite/silicon
tandem:
33.9%)
and
low
fabrication
cost.
However,
short
lifespan
of
PSCs
with
initial
still
blocks
practical
applications.
This
operational
instability
may
originate
from
intrinsic
extrinsic
degradation
materials
or
devices.
Although
lifetime
has
been
prolonged
through
component,
crystal,
defect,
interface,
encapsulation
engineering,
so
on,
systematic
analysis
failure
regularity
for
perspective
devices
against
multiple
operating
stressors
is
indispensable.
In
this
review,
we
start
elaboration
predominant
pathways
mechanism
under
working
stressors.
Then
strategies
improving
long‐term
durability
respect
fundamental
materials,
interface
designs,
device
summarized.
Meanwhile,
key
results
discussed
understand
limitation
assessing
stability,
potential
applications
in
indoor
photovoltaics
wearable
electronics
are
demonstrated.
Finally,
promising
proposals,
encompassing
material
processing,
film
formation,
strengthening,
structure
designing,
encapsulation,
provided
improve
stability
promote
commercialization.
image
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 19, 2024
Abstract
Narrow‐bandgap
(NBG)
Pb–Sn
perovskites
are
ideal
candidates
as
rear
subcell
in
all‐perovskite
tandem
solar
cells.
Because
contain
multiple
components,
the
rational
regulation
of
vertical
structure
and
both
interfaces
film
is
primarily
crucial
to
achieve
high‐performing
NBG
perovskite
cells
(PSCs).
Herein,
a
molecule
anchoring
strategy
developed
situ
construct
Cs
0.1
MA
0.3
FA
0.6
Pb
0.5
Sn
I
3
with
vertically
aligned
crystals
optimized
interfaces.
Specifically,
l
‐alanine
methyl
ester
an
additive
induce
crystal
growth,
while
PEA
2
PbI
SCN
introduced
promote
homogeneous
crystallization
at
buried
interface
via
SCN−
cations.
Further
ethylenediamine
dihalides
(EDA(I/Cl)
)
post‐treatment
leads
gradient
energy
level
alignment
on
surface.
PSCs
based
such
show
efficient
charge
transport
extraction,
producing
champion
power
conversion
efficiency
(PCE)
22.3%
impressive
fill
factor
82.14%.
Notably,
combining
semitransparent
1.78
eV
wide‐bandgap
PSCs,
four‐terminal
device
achieves
PCE
27.1%.
This
work
opens
up
new
pathway
boost
performance
their
devices.
Solar RRL,
Journal Year:
2024,
Volume and Issue:
8(14)
Published: June 5, 2024
Organometal
halide
perovskite
photovoltaic
(PV)
cells
have
achieved
power
conversion
efficiencies
(PCEs)
comparable
to
the
leading
crystalline
silicon
(c‐Si)
PV
technology.
However,
despite
their
exceptional
performance,
these
solar
(PSCs)
face
technological
challenges
such
as
large‐area
fabrication
complexities
and
outdoor
stability
concerns.
These
need
be
addressed
pave
way
for
commercialization
of
PSCs.
The
key
commercializing
PSCs
lies
in
developing
stable,
modules
that
offer
both
high
efficiency
reliability.
Overcoming
hurdles
module
design
is
a
crucial
step,
researchers
are
exploring
innovative
solutions
tackle
challenges.
This
review
article
primarily
focuses
on
development
PSCs,
recent
advancements
this
field,
obstacles
related
scaling
up
It
delves
into
techniques
used
fabricate
films,
with
special
emphasis
large‐scale
PSC
manufacturing
methods.
Moreover,
highlights
concerns
(PSMs)
reports
progress
addressing
issues.
concludes
by
summarizing
potential
future
research
directions
aimed
at
realizing
full
commercial
promising
cell
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 21, 2024
Abstract
Perovskite
solar
cells
(PSC)
have
developed
rapidly
since
the
past
decade
with
aim
to
produce
highly
efficient
photovoltaic
technology
at
a
low
cost.
Recently,
physical
and
chemical
defects
buried
interface
of
PSC
including
vacancies,
impurities,
lattice
strain,
voids
are
identified
as
next
formidable
hurdle
further
advancement
performance
devices.
The
presence
these
has
unfavorably
impacted
many
optoelectronic
properties
in
PSC,
such
band
alignment,
charge
extraction/recombination
dynamics,
ion
migration
behavior,
hydrophobicity.
Herein,
broad
but
critical
discussion
on
various
essential
aspects
related
is
provided.
In
particular,
existing
surface
underlying
transporting
layer
(CTL)
bottom
perovskite
film
initially
elaborated.
situ
ex
characterization
approaches
adopted
unveil
hidden
elucidated
determine
their
influence
efficiency,
operational
stability,
photocurrent–voltage
hysteresis
PSC.
A
myriad
innovative
strategies
defect
management
CTL,
introduction
passivation
materials,
strain
engineering,
morphological
control
used
address
also
systematically
catalyze
development
more
efficient,
reliable,
commercially
viable
Small Structures,
Journal Year:
2024,
Volume and Issue:
5(6)
Published: Feb. 5, 2024
Semitransparent
perovskite
solar
cells
(ST‐PSCs)
hold
significant
appeal
for
various
applications
in
smart
windows,
multijunction
tandem
devices,
bifacial
and
chargeable
etc.
Unfortunately,
to
possess
high
transparency,
the
layer
ST‐PSCs
must
be
kept
relatively
thin
(<400
nm),
which
turn
causes
insufficient
light
absorption
thus
inferior
device
performance.
Herein,
a
2D
nanoplatelets
(NPLs)/poly(methyl
methacrylate)
(PMMA)
composite
is
applied
solve
these
problems.
Thanks
its
dual
function
of
down‐conversion
(DC)
effect,
converting
high‐energy
UV
photons
into
low‐energy
visible
enhance
photocurrent,
interfacial
passivation,
reducing
nonradiative
recombination
at
interface,
NPLs–PMMA‐based
devices
with
different
average
transmittance
(AVT)
values
film
demonstrate
significantly
improved
power‐conversion
efficiency
(PCE)
compared
pristine
remarkable
stability,
retaining
over
77%
initial
PCE
after
aging
under
continuous
illumination
280
h.
More
importantly,
full
using
transparent
MoO
3
/Au/MoO
rear
electrode
exhibits
record
14.26%
10.65%
whole
AVT
19.4%
26.9%,
respectively,
are
among
highest
performing
kind
reported
date.
