Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 7, 2025
Abstract
Defective
perovskite
surfaces
severely
limit
the
development
of
inverted
solar
cells
(PSCs).
Here,
impacts
surface
treatment
are
systematically
investigated
with
organic
ammonium
salts,
namely
piperidinium
iodide
(PpI)
and
piperazinedihydroiodide
(PDI),
on
performance
formamidinium‐cesium
(FACs)‐based
PSCs.
These
results
indicate
that
PpI,
its
high
dipole
moment,
tends
to
form
1D
structures
surface,
which
hinders
electron
transport.
By
contrast,
PDI
post‐treatment
does
not
lead
formation
such
structures;
instead,
it
forms
a
thin
passivation
layer
homogenizes
electric
potential
across
surface.
This
merit
in
favorable
alignment
energy
levels
significant
reduction
non‐radiative
recombination
at
perovskite/electron
transport
interface.
As
result,
module
(PSM)
achieved
power
conversion
efficiency
(PCE)
22.08%
an
aperture
area
11.1
cm
2
(certified
21.58%),
showing
low‐efficiency
discrepancy
versus
small‐area
counterpart
25.09%.
Notably,
PSM
can
maintain
92.5%
initial
PCE
after
continuous
1000
h
1‐sun
operation
65
°C
ambient
air.
Advanced Materials,
Год журнала:
2024,
Номер
36(37)
Опубликована: Март 1, 2024
Abstract
Perovskite
solar
cells
(PSCs)
have
attracted
widespread
research
and
commercialization
attention
because
of
their
high
power
conversion
efficiency
(PCE)
low
fabrication
cost.
The
long‐term
stability
PSCs
should
satisfy
industrial
requirements
for
photovoltaic
devices.
Inverted
with
a
p‐i‐n
architecture
exhibit
considerable
advantages
excellent
competitive
efficiency.
continuously
broken‐through
PCE
inverted
shows
huge
application
potential.
This
review
summarizes
the
developments
outlines
characteristics
including
charge
transport
layers
(CTLs),
perovskite
compositions,
interfacial
regulation
strategies.
latest
effective
CTLs,
modification,
promotion
strategies
especially
under
light,
thermal,
bias
conditions
are
emphatically
analyzed.
Furthermore,
applications
structure
in
high‐efficiency
stable
tandem,
flexible
devices,
modules
main
obstacles
systematically
introduced.
Finally,
remaining
challenges
faced
by
devices
discussed,
several
directions
advancing
proposed
according
to
development
status
industrialization
requirements.
Science,
Год журнала:
2024,
Номер
384(6701), С. 1227 - 1235
Опубликована: Июнь 13, 2024
We
present
a
design
strategy
for
fabricating
ultrastable
phase-pure
films
of
formamidinium
lead
iodide
(FAPbI
3
)
by
lattice
templating
using
specific
two-dimensional
(2D)
perovskites
with
FA
as
the
cage
cation.
When
pure
FAPbI
precursor
solution
is
brought
in
contact
2D
perovskite,
black
phase
forms
preferentially
at
100°C,
much
lower
than
standard
annealing
temperature
150°C.
X-ray
diffraction
and
optical
spectroscopy
suggest
that
resulting
film
compresses
slightly
to
acquire
(011)
interplanar
distances
perovskite
seed.
The
2D-templated
bulk
exhibited
an
efficiency
24.1%
p-i-n
architecture
0.5–square
centimeter
active
area
exceptional
durability,
retaining
97%
their
initial
after
1000
hours
under
85°C
maximum
power
point
tracking.
Chemical Reviews,
Год журнала:
2024,
Номер
124(19), С. 10623 - 10700
Опубликована: Авг. 29, 2024
Recently,
there
has
been
an
extensive
focus
on
inverted
perovskite
solar
cells
(PSCs)
with
a
p-i-n
architecture
due
to
their
attractive
advantages,
such
as
exceptional
stability,
high
efficiency,
low
cost,
low-temperature
processing,
and
compatibility
tandem
architectures,
leading
surge
in
development.
Single-junction
perovskite-silicon
(TSCs)
have
achieved
certified
PCEs
of
26.15%
33.9%
respectively,
showing
great
promise
for
commercial
applications.
To
expedite
real-world
applications,
it
is
crucial
investigate
the
key
challenges
further
performance
enhancement.
We
first
introduce
representative
methods,
composition
engineering,
additive
solvent
processing
innovation
charge
transporting
layers,
interface
fabricating
high-efficiency
stable
PSCs.
then
delve
into
reasons
behind
excellent
stability
Subsequently,
we
review
recent
advances
TSCs
PSCs,
including
perovskite-Si
TSCs,
all-perovskite
perovskite-organic
TSCs.
achieve
final
deployment,
present
efforts
related
scaling
up,
harvesting
indoor
light,
economic
assessment,
reducing
environmental
impacts.
Lastly,
discuss
potential
PSCs
future.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(25)
Опубликована: Фев. 7, 2024
Abstract
Inverted
perovskite
solar
cells
(IPSCs)
have
attracted
unprecedented
attention
due
to
their
negligible
hysteresis,
long‐term
operational
stability,
low
temperature,
and
cost‐effective
fabrication
process,
as
well
wide
applications.
The
power
conversion
efficiency
(PCE)
of
IPSCs
has
skyrocketed
from
3.9%
in
2013
certified
26.1%
2023,
which
is
over
the
25.8%
regular
counterpart,
benefiting
emergence
a
great
number
organic
hole‐transporting
materials
(HTM).
This
review
provides
an
overview
recent
development
stability
IPSCs,
including
small
molecules
conjugated
conductive
polymers.
effective
strategies
for
charge‐transport
layer
films
are
also
discussed.
Finally,
prospective
further
outlined,
developing
novel
fabricating
techniques
meet
requirements
commercial
application.
Advanced Materials,
Год журнала:
2024,
Номер
36(18)
Опубликована: Янв. 21, 2024
Abstract
The
rapid
relaxation
of
hot
carriers
leads
to
energy
loss
in
the
form
heat
and
consequently
restricts
theoretical
efficiency
single‐junction
solar
cells;
However,
this
issue
has
not
received
much
attention
tin‐lead
perovskites
cells.
Herein,
tin(II)
oxalate
(SnC
2
O
4
)
is
introduced
into
perovskite
precursor
solution
regulate
hot‐carrier
cooling
dynamics.
addition
SnC
increases
length
carrier
diffusion,
extends
lifetime
carriers,
simultaneously
slows
down
rate
carriers.
Furthermore,
can
bond
with
uncoordinated
Sn
2+
Pb
ions
crystallization
enable
large
grains.
strongly
reducing
properties
C
2−
inhibit
oxidation
4+
minimize
formation
vacancies
resulting
films.
Additionally,
as
a
substitute
for
fluoride,
introduction
avoids
transport
issues
caused
by
aggregation
F
–
at
interface.
As
result,
‐treated
Sn‐Pb
cells
show
champion
23.36%,
well
27.56%
all‐perovskite
tandem
Moreover,
devices
excellent
long‐term
stability.
This
finding
expected
pave
way
toward
stable
highly
efficient
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(33)
Опубликована: Апрель 30, 2024
Abstract
Organic
self‐assembled
molecules
(OSAMs)
based
hole‐transporting
materials
play
a
pivotal
role
in
achieving
highly
efficient
and
stable
inverted
perovskite
solar
cells
(IPSCs).
However,
the
reported
carbazol‐based
OSAMs
have
serious
drawbacks,
such
as
poor
wettability
for
solution
spreading
due
to
nonpolar
surface,
worse
matched
energy
arrangement
with
perovskite,
limited
molecular
species,
which
greatly
limit
device
performance.
To
address
above
problems,
novel
OSAM
[4‐(3,6‐glycol
monomethyl
ether‐9H‐carbazol‐9‐yl)
butyl]phosphonic
acid
(GM‐4PACz)
was
synthesized
material
by
introducing
glycol
ether
(GM)
side
chains
at
carbazolyl
unit.
GM
groups
enhance
surface
of
Indium
Tin
Oxide
(ITO)/SAM
substrate
facilitate
nucleation
growth
up
film,
suppress
cation
defects,
release
residual
stress
SAM/perovskite
interface,
evaluate
level
matching
perovskite.
Consequently,
GM‐4PACz
IPSC
achieves
champion
PCE
25.52
%,
respectable
open‐circuit
voltage
(
V
OC
)
1.21
V,
high
stability,
possessing
93.29
%
91.75
their
initial
efficiency
after
aging
air
2000
h
or
tracking
maximum
power
point
1000
h,
respectively.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(20)
Опубликована: Март 8, 2024
Abstract
In
a
methylammonium‐free
(MA‐free)
composition,
the
uncontrollable
crystallization
process
between
Cs
and
formamidine
(FA)
currently
hinders
its
efficiency
enhancement,
especially
in
inverted
perovskite
solar
cells
(PSCs).
Here,
dual‐interface
modification
of
films
is
proposed
by
simultaneously
introducing
additives
surface
passivators.
particular,
(aminomethyl)phosphonic
acid
(AMP)
introduced
into
precursor
solution
to
balance
inducing
preferential
FA
through
specific
formation
strong
hydrogen
bonds
with
FA.
addition,
AMP
spontaneously
sinks
anchors
buried
interface
fill
voids
self‐assembled
monolayer
(SAM)
via
covalent
formed
─PO
3
H
2
FTO.
Subsequently,
sequential
2‐(3‐fluorophenyl)ethylamine
iodide
(mF‐PEAI)
piperazine
diiodide
(PDI),
uniform
potential
achieved
recombination
losses
at
are
minimized.
Notably,
dual‐interface‐modified
MA‐free
PSCs
achieve
state‐of‐the‐art
power
conversion
(PCE)
25.35%
(certified:
24.87%)
satisfactory
V
oc
1.17
based
on
bandgap
1.52
eV.
Importantly,
unencapsulated
devices
maintain
92.8%
91.7%
initial
after
1000
h
maximum
output
(MPP)
tracking
>800
heating
85
°C,
respectively,
confirming
excellent
operational
thermal
stability.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(30)
Опубликована: Май 11, 2024
Abstract
It
is
a
crucial
role
for
enhancing
the
power
conversion
efficiency
(PCE)
of
perovskite
solar
cells
(PSCs)
to
prepare
high‐quality
films,
which
can
be
achieved
by
delaying
crystallization
film.
Hence,
we
designed
difluoroacetic
anhydride
(DFA)
as
an
additive
regulating
process
thus
reducing
defect
formation
during
film
formation.
was
found
DFA
reacts
with
DMSO
forming
two
molecules,
difluoroacetate
thioether
ester
(DTE)
and
acid
(DA).
The
strong
bonding
DTE
⋅
PbI
2
DA
retard
formation,
monitored
through
in
situ
UV/Vis
PL
tests.
By
using
additives,
prepared
films
low
defects.
Finally,
champion
PCE
25.28
%
excellent
environmental
stability,
retained
95.75
initial
after
1152
h
at
25
°C
under
RH.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(46)
Опубликована: Июнь 25, 2024
Abstract
Photoelectrochemical
cells
(PEC)
use
solar
energy
to
generate
green
hydrogen
by
water
splitting
and
have
an
integrated
device
structure.
Achieving
high
solar‐to‐hydrogen
conversion
(STH)
efficiency
along
with
a
long
operational
lifetime
in
these
is
crucial
for
the
production
of
low‐cost
as
viable
source.
Several
functional
components,
such
photo
absorber,
charge
transport,
catalyst
layers
are
interfaced
form
compact
monolithic
device.
In
this
review,
therefore,
engineering
design
individual
components
cells,
interplay
between
them,
their
interfaces
discussed
detail,
factors
determine
overall
performance
cells.
The
main
emphasis
on
halide
perovskite
(HP)
absorbers,
which
emerged
promising
materials
due
superior
optoelectronic
properties.
Recent
advances
development
efficient
stable
perovskite‐based
highlighted
reviewed.
catalysts
effect
pH
supporting
cations
also
examined.
Finally,
scientific
challenges
future
directions
designing
photoelectrochemical
discussed.
This
review
can
help
researchers
further
advance
technology
toward
commercial
hydrogen.
