Advanced Energy Materials,
Год журнала:
2022,
Номер
12(25)
Опубликована: Май 11, 2022
Abstract
Currently,
the
photovoltaic
performance
of
perovskite
solar
cells
(PSCs)
is
closely
linked
to
undermined
defects
in
perovskite,
and
correct
approach
ensure
stability
under
practical
conditions
still
dispute.
Therefore,
natural,
healthy,
low‐cost
additives
are
expected
not
only
reduce
trap
sites
but
also
drastically
improve
stability.
In
this
work,
natural
antioxidant
additive
lycopene
extracted
from
tomatoes
introduced
into
PSCs.
The
results
indicate
that
can
passivate
grain
boundaries,
crystallinity,
density,
facilitate
α
phase
formation
at
room
temperature.
As
a
result,
power
conversion
efficiency
(PCE)
considerably
improved
20.57%
23.62%
with
vastly
enhanced
J
sc
V
oc
.
Additionally,
eliminate
UV‐induced
free
radicals
light
aging
process.
target
device
displays
hydrophobic,
antioxidative
properties,
which
demonstrates
high
O
2
91.2%
average
PCE
for
960
h,
UV
long‐term
an
92.4%
after
3500
h.
This
work
provides
strategy
solve
existing
issues
PSC
devices
through
learning
plants,
paves
way
development
environmentally
friendly
PSCs
stability,
on
path
toward
industrialization.
Advanced Materials,
Год журнала:
2022,
Номер
34(27)
Опубликована: Март 8, 2022
Perovskite
solar
cells
(PSCs)
based
on
the
regular
n-i-p
device
architecture
have
reached
above
25%
certified
efficiency
with
continuously
reported
improvements
in
recent
years.
A
key
common
factor
for
these
breakthroughs
is
development
of
SnO2
as
an
effective
electron
transport
layer
devices.
In
this
article,
advances
are
reviewed,
including
various
deposition
approaches
and
surface
treatment
strategies,
to
enhance
bulk
interface
properties
highly
efficient
stable
PSCs.
addition,
general
materials
chemistry
associated
along
corresponding
challenges
improvement
strategies
discussed,
focusing
defects,
intrinsic
properties,
impact
characteristics.
Finally,
some
implementations
related
scalable
processes
flexible
devices
highlighted,
perspectives
future
large-scale
perovskite
modules
also
provided.
Advanced Materials,
Год журнала:
2021,
Номер
33(15)
Опубликована: Март 3, 2021
Abstract
Perovskite
solar
cells
(PSCs)
have
become
a
promising
photovoltaic
(PV)
technology,
where
the
evolution
of
electron‐selective
layers
(ESLs),
an
integral
part
any
PV
device,
has
played
distinctive
role
to
their
progress.
To
date,
mesoporous
titanium
dioxide
(TiO
2
)/compact
TiO
stack
been
among
most
used
ESLs
in
state‐of‐the‐art
PSCs.
However,
this
material
requires
high‐temperature
sintering
and
may
induce
hysteresis
under
operational
conditions,
raising
concerns
about
its
use
toward
commercialization.
Recently,
tin
oxide
(SnO
)
emerged
as
attractive
alternative
ESL,
thanks
wide
bandgap,
high
optical
transmission,
carrier
mobility,
suitable
band
alignment
with
perovskites,
decent
chemical
stability.
Additionally,
low‐temperature
processability
enables
compatibility
temperature‐sensitive
substrates,
thus
flexible
devices
tandem
cells.
Here,
notable
developments
SnO
perovskite‐relevant
ESL
are
reviewed
emphasis
placed
on
various
fabrication
methods
interfacial
passivation
routes
champion
Further,
techno‐economic
analysis
materials
for
large‐scale
deployment,
together
processing‐toxicology
assessment,
is
presented.
Finally,
perspective
how
can
be
instrumental
successful
module
perovskite‐based
cell
manufacturing
provided.
Advanced Materials,
Год журнала:
2020,
Номер
32(43)
Опубликована: Сен. 21, 2020
Abstract
Perovskite
solar
cells
(PSCs)
have
rapidly
developed
and
achieved
power
conversion
efficiencies
of
over
20%
with
diverse
technical
routes.
Particularly,
planar‐structured
PSCs
can
be
fabricated
low‐temperature
(≤150
°C)
solution‐based
processes,
which
is
energy
efficient
compatible
flexible
substrates.
Here,
the
efficiency
stability
planar
are
enhanced
by
improving
interface
contact
between
SnO
2
electron‐transport
layer
(ETL)
perovskite
layer.
A
biological
polymer
(heparin
potassium,
HP)
introduced
to
regulate
arrangement
nanocrystals,
induce
vertically
aligned
crystal
growth
perovskites
on
top.
Correspondingly,
–HP‐based
devices
demonstrate
an
average
23.03%
rigid
substrates
open‐circuit
voltage
(
V
OC
)
1.162
high
reproducibility.
Attributed
strengthened
binding,
obtain
operational
stability,
retaining
97%
their
initial
performance
(power
efficiency,
PCE
>
22%)
after
1000
h
operation
at
maximum
point
under
1
sun
illumination.
Besides,
HP‐modified
ETL
exhibits
promising
potential
for
application
in
large‐area
devices.
Energy & Environmental Science,
Год журнала:
2021,
Номер
14(5), С. 2906 - 2953
Опубликована: Янв. 1, 2021
Recent
advances
on
passivation
and
morphology
engineering
approaches
adopted
to
obtain
high
efficiency
stability
in
perovskite
solar
cells
are
thoroughly
reviewed.
Nature Communications,
Год журнала:
2021,
Номер
12(1)
Опубликована: Фев. 12, 2021
Abstract
The
perovskite
solar
cell
has
emerged
rapidly
in
the
field
of
photovoltaics
as
it
combines
merits
low
cost,
high
efficiency,
and
excellent
mechanical
flexibility
for
versatile
applications.
However,
there
are
significant
concerns
regarding
its
operational
stability
robustness.
Most
previously
reported
approaches
to
address
these
entail
separate
engineering
charge-transporting
layers.
Herein
we
present
a
holistic
design
layers
by
synthesizing
an
interpenetrating
perovskite/electron-transporting-layer
interface.
This
interface
is
reaction-formed
between
tin
dioxide
layer
containing
excess
organic
halide
lead
halide.
Perovskite
cells
with
such
interfaces
deliver
efficiencies
up
22.2%
20.1%
rigid
flexible
versions,
respectively.
Long-term
(1000
h)
demonstrated
devices
show
endurance
against
mechanical-bending
(2500
cycles)
fatigue.
Mechanistic
insights
into
relationship
structure
performance
enhancement
provided
based
on
comprehensive,
advanced,
microscopic
characterizations.
study
highlights
integrity
important
factor
designing
efficient,
operationally-stable,
mechanically-robust
cells.
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(17)
Опубликована: Фев. 17, 2021
Abstract
Regulating
the
electron
transport
layer
(ETL)
has
been
an
effective
way
to
promote
power
conversion
efficiency
(PCE)
of
perovskite
solar
cells
(PSCs)
as
well
suppress
their
hysteresis.
Herein,
SnO
2
ETL
using
a
cost‐effective
modification
material
rubidium
fluoride
(RbF)
is
modified
in
two
methods:
1)
adding
RbF
into
colloidal
dispersion,
F
and
Sn
have
strong
interaction,
confirmed
via
X‐ray
photoelectron
spectra
density
functional
theory
results,
contributing
improved
mobility
;
2)
depositing
at
/perovskite
interface,
Rb
+
cations
actively
escape
interstitial
sites
lattice
inhibit
ions
migration
reduce
non‐radiative
recombination,
which
dedicates
open‐circuit
voltage
(
V
oc
)
for
PSCs
with
suppressed
In
addition,
double‐sided
passivated
PSCs,
on
surface,
p‐methoxyphenethylammonium
iodide
produces
outstanding
PCE
23.38%
1.213
V,
corresponding
extremely
small
deficit
0.347
V.
Abstract
The
crystal
distortion
such
as
lattice
strain
and
defect
located
at
the
surfaces
grain
boundaries
induced
by
soft
perovskite
highly
determines
charge
extraction‐transfer
dynamics
recombination
to
cause
an
inferior
efficiency
of
solar
cells
(PSCs).
Herein,
authors
propose
a
strategy
significantly
reduce
superficial
tensile
means
incorporating
inorganic
2D
Cl‐terminated
Ti
3
C
2
(Ti
Cl
x
)
MXene
into
bulk
surface
CsPbBr
film.
Arising
from
strong
interaction
between
atoms
in
under‐coordinated
Pb
2+
lattice,
expanded
is
compressed
confined
act
“tape”,
which
PbCl
bond
plays
role
“glue”
immobilizes
lattice.
Finally,
defective
healed
champion
high
11.08%
with
ultrahigh
open‐circuit
voltage
up
1.702
V
achieved
on
best
all‐inorganic
PSC,
so
far
highest
record
for
this
kind
PSCs.
Furthermore,
unencapsulated
device
demonstrates
nearly
unchanged
performance
under
80%
relative
humidity
over
100
days
85
°C
30
days.
Advanced Energy Materials,
Год журнала:
2022,
Номер
12(20)
Опубликована: Март 28, 2022
Abstract
The
interfacial
properties
for
the
buried
junctions
of
perovskite
solar
cells
(PSCs)
play
a
crucial
role
further
enhancement
power
conversion
efficiency
(PCE)
and
stability
devices.
Delicate
manipulation
interface
such
as
defect
density,
energy
alignment,
film
quality,
etc.,
guarantees
efficient
extraction
transport
photogenerated
carriers.
Herein,
chlorobenzenesulfonic
potassium
salts
are
presented
novel
multifunctional
agent
to
modify
tin
oxide
(SnO
2
)/perovskite
regular
PSCs.
increasing
number
carbon‐chlorine
bonds
(CCl)
in
2,4,5‐trichlorobenzenesulfonic
(3Cl‐BSAK)
exhibit
interaction
with
uncoordinated
Sn,
effectively
filling
oxygen
vacancies
SnO
surface.
Importantly,
synergistic
effects
functional
group‐rich
organic
anions
ion
achieved
reduced
carrier
recombination,
hysteresis.
A
champion
PCE
24.27%
open‐circuit
voltage
(
V
OC
)
up
1.191
modified
devices
obtained.
unencapsulated
maintain
80%
their
initial
after
aging
at
80
°C
800
h
atmosphere
95%
100
d.
With
3Cl‐BSAK
decoration,
high
semitransparent
PSC
12.83%
an
average
visible
light
transmittance
(AVT)
over
27%
is
also
Angewandte Chemie International Edition,
Год журнала:
2020,
Номер
59(28), С. 11573 - 11582
Опубликована: Апрель 7, 2020
The
matching
of
charge
transport
layer
and
photoactive
is
critical
in
solar
energy
conversion
devices,
especially
for
planar
perovskite
cells
based
on
the
SnO2
electron-transfer
(ETL)
owing
to
its
unmatched
photogenerated
electron
hole
extraction
rates.
Graphdiyne
(GDY)
with
multi-roles
has
been
incorporated
maximize
between
regarding
rate
optimization
interface
engineering
towards
both
crystallization
process
subsequent
photovoltaic
service
duration.
GDY
doped
fourfold
improved
mobility
due
freshly
formed
C-O
σ
bond
more
facilitated
band
alignment.
enhanced
hydrophobicity
inhibits
heterogeneous
nucleation,
contributing
a
high-quality
film
diminished
grain
boundaries
lower
defect
density.
Also,
interfacial
passivation
Pb-I
anti-site
defects
demonstrated
via
introduction.