ACS Energy Letters,
Год журнала:
2024,
Номер
9(11), С. 5471 - 5482
Опубликована: Окт. 21, 2024
Molecular
materials
with
high
structure-design
freedom
are
used
as
new
interface
passivators
to
reduce
nonradiative
recombination
in
inverted
perovskite
solar
cells
(PSCs).
However,
most
molecular
modifiers
unable
achieve
a
long-term
passivation
effect
due
self-aggregation.
Here,
the
modifier
1-methyl-2-thiomethyl-1H-imidazole-5-carboxylate
(SMC)
ester
and
thiol
groups
is
carefully
developed.
The
weaken
self-aggregation
triggered
by
intermolecular
hydrogen
bonds,
making
such
aggregations
easier
disassemble
during
heating
form
net-like
insulating
layer
random
openings,
which
dramatically
increase
charge
transport.
More
importantly,
electron
transfer
between
disulfide
can
accelerate
elimination
of
Pb0
I2
redox
reactions
prevent
phase
separation.
Ultimately,
optimized
PSCs
bandgaps
1.68
1.55
eV
showed
surprising
fill
factors
84.83%
86.18%,
resulting
champion
efficiencies
23.45%
(certified
22.98%,
highest
date
for
wide-bandgap)
25.71%
25.28%),
respectively.
Remarkably,
both
unencapsulated
devices
maintained
over
94%
their
initial
efficiency
under
maximum
power
point
tracking
600
h
(50
°C)
1000
(65
°C),
respectively,
confirming
impressive
operational
stability.
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
SusMat,
Год журнала:
2023,
Номер
3(6), С. 894 - 908
Опубликована: Дек. 1, 2023
Abstract
Cesium
lead
triiodide
(CsPbI
3
)
perovskite
receives
tremendous
attention
for
photovoltaic
applications,
owing
to
its
remarkable
thermal
stability
and
optoelectronic
properties.
However,
realizing
the
CsPbI
with
high
black‐phase
properties
remains
a
significant
challenge,
which
largely
affects
performance
of
solar
cells
(PSCs).
Herein,
aromatic
ammonium
agents
are
used
modulate
crystallization
improve
efficient
PSCs.
Systemically
experimental
studies
comprehensively
theoretical
calculations
performed,
reveal
that
histammonium
dihydrochloride
(HACl
2
could
strongly
couple
during
crystallization,
leading
faster
nucleation
slower
growth,
thus
modulating
dynamics
perovskites.
Moreover,
residual
diammonium
cations
(HA
2+
distributed
at
grain
boundaries
on
surface
perovskites
can
effectively
passivate
defects
through
electrostatic
interactions,
substantially
suppressing
trap‐assisted
nonradiative
recombination,
prompting
more
matched
energetics.
Consequently,
PSCs
is
improved
because
combination
enhanced
crystallinity
This
work
offers
new
avenue
prepare
inorganic
photovoltaics.
Halide‐perovskite‐based
solar
cells
(HPSCs)
have
established
themselves
as
a
promising
photovoltaic
(PV)
technology
in
remarkably
short
time.
The
rapid
improvement
HPSCs
can
be
attributed
to
the
unique
material
and
optoelectronic
properties
of
metal
halide
perovskite
semiconductors
coupled
with
very
knowledgeable
experienced
PV
community.
This
review
briefly
summarizes
chemistry
perovskites,
delving
into
fundamental
aspects
crystal
structure
optical
bandgap,
followed
by
more
in‐depth
report
on
advancements
efficiencies,
thanks
structural
regulation,
interfacial
modulation,
thin‐film
engineering.
It
is
mainly
focused
three
perovskites
topics:
1)
high‐performance
Pb‐based
2)
Sn‐based
their
associated
challenges,
3)
emerging
work
mixed
composition
Pb–Sn
perovskites.
For
each
these
domains,
effects
stemming
from
tuning
monovalent
A‐site
site
are
examined.
Additionally,
various
approaches
aimed
at
passivating
defects
bulk
film
interface,
along
carrier
transport
engineering,
discussed.
discussions
also
encompass
broader
implications
for
device
performance,
stability,
toxicity.
Finally,
perspectives
future
directions
commercial
feasibility
technologies
provided.
Journal of Optics,
Год журнала:
2024,
Номер
26(5), С. 053001 - 053001
Опубликована: Март 13, 2024
Abstract
Perovskite
solar
cells
(PSCs)
have
gained
intensive
attention
as
promising
next-generation
photovoltaic
technologies
because
of
their
ever-increasing
power
conversion
efficiency,
inexpensive
material
components,
and
simple
fabrication
method
solution
processing.
The
efficiency
long-term
stability
PSCs
gradually
grown
in
recent
years,
steady
progress
has
been
made
towards
the
large
area
perovskite
modules.
This
review
summarizes
representative
works
on
that
were
globally
published
recently
from
viewpoints
stability,
large-scale
production.
Further,
we
emphasize
current
main
obstacles
high-throughput
manufacturing
provide
a
quick
overview
several
prospective
researches.
ACS Energy Letters,
Год журнала:
2024,
Номер
9(11), С. 5471 - 5482
Опубликована: Окт. 21, 2024
Molecular
materials
with
high
structure-design
freedom
are
used
as
new
interface
passivators
to
reduce
nonradiative
recombination
in
inverted
perovskite
solar
cells
(PSCs).
However,
most
molecular
modifiers
unable
achieve
a
long-term
passivation
effect
due
self-aggregation.
Here,
the
modifier
1-methyl-2-thiomethyl-1H-imidazole-5-carboxylate
(SMC)
ester
and
thiol
groups
is
carefully
developed.
The
weaken
self-aggregation
triggered
by
intermolecular
hydrogen
bonds,
making
such
aggregations
easier
disassemble
during
heating
form
net-like
insulating
layer
random
openings,
which
dramatically
increase
charge
transport.
More
importantly,
electron
transfer
between
disulfide
can
accelerate
elimination
of
Pb0
I2
redox
reactions
prevent
phase
separation.
Ultimately,
optimized
PSCs
bandgaps
1.68
1.55
eV
showed
surprising
fill
factors
84.83%
86.18%,
resulting
champion
efficiencies
23.45%
(certified
22.98%,
highest
date
for
wide-bandgap)
25.71%
25.28%),
respectively.
Remarkably,
both
unencapsulated
devices
maintained
over
94%
their
initial
efficiency
under
maximum
power
point
tracking
600
h
(50
°C)
1000
(65
°C),
respectively,
confirming
impressive
operational
stability.
