Materials Futures,
Год журнала:
2023,
Номер
2(3), С. 032101 - 032101
Опубликована: Май 15, 2023
Abstract
Inorganic
halide
perovskite
solar
cells
(IHPSCs)
have
become
one
of
the
most
promising
research
hotspots
due
to
excellent
light
and
thermal
stabilities
inorganic
perovskites
(IHPs).
Despite
rapid
progress
in
cell
performance
very
recent
years,
phase
instability
IHPs
easily
occurs,
which
will
remarkably
influence
efficiency
stability.
Much
effort
has
been
devoted
solving
this
issue.
In
review,
we
focus
on
representative
stability
from
IHPSCs,
including
(i)
a
brief
introduction
materials
devices,
(ii)
some
new
additives
fabrication
methods,
(iii)
stabilities,
(iv)
tailoring
stability,
(v)
optimization
(vi)
interfacial
engineering
for
enhancement.
Finally,
perspectives
be
given
regarding
future
work
highly
efficient
stable
IHPSCs.
This
review
aims
provide
thorough
understanding
key
influential
factors
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(19)
Опубликована: Фев. 24, 2024
Abstract
Inorganic
perovskite
solar
cells
(IPSCs)
have
gained
significant
attention
due
to
their
excellent
thermal
stability
and
suitable
band
gap
(~1.7
eV)
for
tandem
cell
applications.
However,
the
defect‐induced
non‐radiative
recombination
losses,
low
charge
extraction
efficiency,
energy
level
mismatches,
so
on
render
fabrication
of
high‐efficiency
inverted
IPSCs
remains
challenging.
Here,
use
3‐amino‐5‐bromopyridine‐2‐formamide
(ABF)
in
methanol
was
dynamically
spin‐coated
surface
CsPbI
2.85
Br
0.15
film,
which
facilitates
limited
etching
defect‐rich
subsurface
layer,
resulting
formation
vertical
PbI
2
nanosheet
structures.
This
enabled
localized
contacts
between
film
electron
transport
suppress
electron‐hole
beneficial
extraction.
Additionally,
C=O
C=N
groups
ABF
effectively
passivated
undercoordinated
Pb
2+
at
grain
boundaries
film.
Eventually,
we
achieved
a
champion
efficiency
20.80
%
(certified
20.02
%)
with
enhanced
stability,
is
highest
value
ever
reported
date.
Furthermore,
successfully
prepared
p‐i‐n
type
monolithic
inorganic
perovskite/silicon
(IPSTSCs)
an
26.26
%.
strategy
provided
both
fast
efficient
passivation
electron‐selective
interface.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Abstract
The
complete
phase
transition
from
DMAPbI
3
and
Cs
4
PbI
6
intermediates
to
the
final
CsPbI
perovskite
is
pivotal
for
fabricating
high‐quality
inorganic
films.
In
this
study,
reaction
energy
barrier
between
sought
be
reduced
by
increasing
their
surface
energy,
where
a
perfluorinated
compound
designed
using
DFT
modeling
saturate
of
effectively
prevent
crystalline
growth.
Consequently,
smaller
with
ultrahigh
react
more
energetically
facilitate
rapid
conversion
desired
phase.
It
found
that
resultant
shows
improved
crystallinity
morphology,
as
demonstrated
suppressed
non‐radiative
recombination
prolonged
carrier
lifetimes.
As
result,
optimized
solar
cells
(PSCs)
achieve
power
efficiency
(PCE)
over
20%,
along
significantly
light
thermal
stability.
This
work
provides
way
regulate
crystallization
dynamics
advanced
quality
perovskites.
ACS Energy Letters,
Год журнала:
2023,
Номер
8(11), С. 4608 - 4616
Опубликована: Окт. 12, 2023
All-inorganic
CsPbI3
perovskite
has
emerged
as
an
alternative
photovoltaic
material
owing
to
its
good
thermal
stability
and
ideal
bandgap
for
tandem
applications.
However,
solar
cells
(PSCs)
still
show
poor
phase
low
efficiency.
Herein,
we
propose
a
new
strategy
form
low-dimensional
double
(2D-PEA2PbI4
quasi-2D-PEA2(CsPbI3)PbI4)
layers
on
the
film
by
sequential
treatment
with
ammonium
benzenesulfonate
(ABS)
phenylethylammonium
iodide
(PEAI).
After
ABS
treatment,
additional
PbI2
was
in
situ
formed
surface,
which
further
reacted
PEAI
generate
layers.
The
effectively
enhanced
efficiency
of
cells.
Consequently,
power
conversion
(PCE)
19.06%
is
achieved.
unencapsulated
device
retained
approximately
70%
initial
PCE
after
aging
300
h
under
ambient
conditions.
This
study
provides
approach
application
perovskites
all-inorganic
PSCs.
Materials Futures,
Год журнала:
2023,
Номер
2(3), С. 032101 - 032101
Опубликована: Май 15, 2023
Abstract
Inorganic
halide
perovskite
solar
cells
(IHPSCs)
have
become
one
of
the
most
promising
research
hotspots
due
to
excellent
light
and
thermal
stabilities
inorganic
perovskites
(IHPs).
Despite
rapid
progress
in
cell
performance
very
recent
years,
phase
instability
IHPs
easily
occurs,
which
will
remarkably
influence
efficiency
stability.
Much
effort
has
been
devoted
solving
this
issue.
In
review,
we
focus
on
representative
stability
from
IHPSCs,
including
(i)
a
brief
introduction
materials
devices,
(ii)
some
new
additives
fabrication
methods,
(iii)
stabilities,
(iv)
tailoring
stability,
(v)
optimization
(vi)
interfacial
engineering
for
enhancement.
Finally,
perspectives
be
given
regarding
future
work
highly
efficient
stable
IHPSCs.
This
review
aims
provide
thorough
understanding
key
influential
factors
