Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
Abstract
Currently,
perovskite/Si
tandem
record
cell
exceeded
33%
efficiency
which
is
higher
than
a
theoretical
Si
single-junction
cell.
Given
poor
flexible
cells
and
high
demands
on
BIPV,
fabrication
of
high-efficiency
solar
essential.
Earth-abundant
kesterite
photovoltaics
attract
strong
attention
due
to
flexibility
low
cost.
Nevertheless,
challenges
realize
remain
because
high-growth
temperature
rough
surface.
In
this
work,
the
Ag
incorporation
in
CZTSe
film
addresses
aforementioned
material
process
issues.
The
highest
7.3%
has
been
achieved
among
polyimide
substrate.
Moreover,
we
successfully
demonstrated
CZTSe/perovskite
with
16.4%
(on
glass)
11.35%
PI).
These
results
imply
that
universal
method
offer
promising
approach
produce
chalcogenide
device
applications.
Narrow
bandgap
mixed
tin-lead
perovskite
solar
cells
(PSCs)
have
garnered
substantial
research
interest
owing
to
their
remarkable
optoelectronic
properties.
However,
non-radiative
recombination
and
carrier
transport
losses
at
the
interface
between
layer
charge
(C60)
significantly
reduce
overall
efficiency
of
PSCs.
To
address
this
challenge,
9-Fluorenylmethyl
carbazate
(9FC)
is
incorporated
C60.
The
hydrazide
group
present
in
9FC
effectively
mitigates
oxidation
Sn2+.
Furthermore,
can
engage
chemical
bonding
with
perovskite,
while
outward-facing
aromatic
rings
create
effective
π-π
interactions
C60,
thereby
promoting
enhanced
interfacial
transfer.
highest-performing
PSCs
achieve
a
power
conversion
(PCE)
23.97%,
accompanied
by
an
impressive
open-circuit
voltage
0.91
V.
Additionally,
these
facilitate
development
highly
efficient
two-terminal
four-terminal
all-perovskite
tandem
cells,
which
demonstrate
efficiencies
27.01%
28.07%,
respectively.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
Abstract
Tandem
solar
cells
(TSCs)
based
on
wide
bandgap
(WBG)
perovskites
have
gained
significant
attention
for
their
higher
power
conversion
efficiency
(PCE)
compared
to
single‐junction
cells.
The
role
of
WBG
perovskite
(PSCs)
as
the
sub‐cell
in
tandem
consists
absorbing
high‐energy
photons
and
producing
open‐circuit
voltages
(
V
OC
).
However,
PSCs
face
serious
phase
separation
issues,
resulting
poor
long‐term
stability
substantial
loss
TSCs.
In
response,
researchers
developed
a
range
strategies
mitigate
these
challenges,
showing
promising
progress,
comprehensive
review
is
expected.
this
review,
we
discuss
mechanism
organic–inorganic
hybrids
all‐inorganic
perovskites.
Additionally,
conduct
an
in‐depth
investigation
various
enhance
stability,
including
component
engineering,
additive
interface
dimension
control,
solvent
encapsulation.
Furthermore,
application
TSCs
summarized
detail.
Finally,
perspectives
are
provided
offer
guidance
development
efficient
stable
field
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
Abstract
This
5th
annual
“
Emerging
PV
Report”
highlights
the
latest
advancements
in
performance
of
emerging
photovoltaic
(e‐PV)
devices
across
various
e‐PV
research
areas,
as
documented
peer‐reviewed
articles
published
since
August
2023.
Updated
graphs,
tables,
and
analyses
are
provided,
showcasing
several
key
parameters,
including
power
conversion
efficiency,
open‐circuit
voltage,
short‐circuit
current,
fill
factor,
light
utilization
stability
test
energy
yield.
These
parameters
presented
functions
bandgap
average
visible
transmittance
for
each
technology
application
contextualized
using
benchmarks
such
detailed
balance
efficiency
limit.
ACS Nano,
Год журнала:
2024,
Номер
18(47), С. 32299 - 32314
Опубликована: Ноя. 14, 2024
The
p-i-n
architecture
within
perovskite
solar
cells
(PSCs)
is
swiftly
transitioning
from
an
alternative
concept
to
the
forefront
of
photovoltaic
technology,
driven
by
significant
advancements
in
performance
and
suitability
for
tandem
cell
integration.
relentless
pursuit
increase
efficiencies
understand
factors
contributing
instability
has
yielded
notable
strategies
enhancing
PSC
performance.
Chief
among
these
advancement
passivation
techniques,
including
application
self-assembled
monolayers
(SAMs),
which
have
proven
central
mitigating
interface-related
inefficiencies.
This
Perspective
delves
into
a
curated
selection
recent
impactful
studies
on
PSCs,
focusing
latest
material
developments,
device
refinements,
optimization
tactics.
We
particularly
emphasize
strides
made
interfacial
engineering.
Furthermore,
we
explore
potential
structured
cells.
culminates
discussion
persistent
challenges
facing
such
as
long-term
stability,
scalability,
environmentally
benign
solutions,
setting
stage
future
research
directives.
Tin
perovskites
are
considered
promising
candidates
for
realizing
high-performance,
lead-free
perovskite
solar
cells
(PSCs).
Despite
prominent
progress
made
through
bulk
optimization,
unsatisfactory
interfaces
between
tin
and
charge
transport
layers
critical
obstacles
to
boosting
device
performance.
Herein,
we
address
this
issue
by
introducing
piperazine
dihydroiodide
(PDI)
ferrocene
(Fc)
at
the
interface
of
perovskite/C60
synergistically
improve
interfacial
transport.
Specifically,
PD+
interacts
with
formamidinium
ions
(FA+)
form
an
dipole,
Fc
establishes
π-π
conjugation
C60.
These
effects
significantly
electron
extraction
reduce
energy
losses.
As
a
result,
efficiency
PSCs
is
remarkably
improved
from
10.62%
13.65%,
accompanied
enhanced
stability.
This
work
highlights
importance
modulation
in
toward
efficient
eco-friendly
photovoltaics.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 28, 2025
Abstract
Here,
the
surface
modification
of
RF
sputtering
NiOx
films
by
4PADCB
(NiOx‐P)
is
proposed
for
first
time.
The
effectively
suppresses
voltage
loss
at
hole
transport
layer
(HTL)/perovskite
interface
and
optimizes
energy
band
alignment
between
perovskite
NiOx,
thereby
enhancing
charge
extraction
reducing
nonradiative
recombination
tandem
devices,
resulting
in
a
flexible
monolithic
Perovskite
(PVK)‐CIGS
solar
cell
with
highest
efficiency
22.8%
an
extremely
high
Open‐circuit
(V
OC
)
1.82
V.
This
method
expected
to
obtain
better
PVK‐CIGS
cells.
The Journal of Physical Chemistry Letters,
Год журнала:
2025,
Номер
unknown, С. 5195 - 5201
Опубликована: Май 15, 2025
Interface
defects
in
perovskite
solar
cells
(PSCs)
can
significantly
impair
device
efficiency
by
promoting
nonradiative
recombination,
hindering
charge
transport,
and
facilitating
ion
migration.
In
this
work,
we
introduce
a
dual-interface
passivation
strategy
utilizing
2-(N-morpholino)ethanesulfonic
acid
potassium
(MESK)
octylammonium
iodide
(OAI),
targeting
both
the
electron
transport
layer
(ETL)/perovskite
perovskite/hole
(HTL)
interfaces
to
enhance
of
wide-bandgap
PSCs
based
on
FA0.8Cs0.2Pb(I0.6Br0.4)3
with
bandgap
1.77
eV.
The
sulfonic
group
MESK
passivates
bottom
interface
through
coordination
Pb
ions,
while
amine
OAI
interacts
halide
ions
effectively
passivate
top
defects.
improves
crystallinity,
enlarges
grain
size,
reduces
recombination.
As
result,
performance
is
enhanced,
achieving
power
conversion
(PCE)
23.69%
four-terminal
(4T)
perovskite-organic
tandem
cell
(TSC),
which
provides
promising
sustainable
solution
for
commercialization
TSCs.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 28, 2025
Abstract
Flexible
perovskite
solar
cells
(F‐PSCs)
have
emerged
as
a
promising
area
of
research
in
photovoltaics,
achieving
power
conversion
efficiencies
(PCEs)
surpassing
26%.
Compared
to
rigid
PSCs,
the
selection
deposition
techniques
and
materials
optimization,
among
other
factors,
significantly
influence
efficiency
long‐term
stability
F‐PSCs.
This
review
comprehensively
analyzes
state‐of‐the‐art
F‐PSC
fabrication
methods,
including
spin
coating,
blade
slot‐die
inkjet
printing,
screen
vacuum
evaporation.
Additionally,
it
evaluates
advanced
strategies
for
refining
charge
transport
materials,
such
doping,
additive
engineering,
interfacial
modification.
Critical
challenges
unique
F‐PSCs
are
also
discussed,
their
integration
into
tandem
cells,
encapsulation
reliability,
compatibility
with
flexible
substrates.
Ultimately,
this
offers
forward‐looking
perspective
on
commercialization,
proposing
actionable
solutions
address
technical
bottlenecks
facilitate
transition
from
lab‐scale
innovation
industrial
application.
