Significance of Formamidinium Incorporation in Perovskite Composition and Its Impact on Solar Cell Efficiency: A Mini‐Review
Advanced Energy and Sustainability Research,
Journal Year:
2024,
Volume and Issue:
5(8)
Published: April 26, 2024
Perovskite
solar
cells
(PSCs)
have
gained
tremendous
research
interest
recently
owing
to
several
advantages,
including
low
material
cost,
facile
solution
processability,
bandgap
tunability,
and
alluring
device
efficiency.
The
organic
formamidinium
(FA)
cation‐based
perovskites
are
mainly
considered
as
one
of
the
potential
candidates
for
charge
carrier
generation
due
their
excellent
properties,
such
thermal
stability
than
traditional
perovskites.
However,
inevitable
unfavorable
polymorphism
(i.e.,
α
δ
)
at
room
temperature
still
forms
basis
numerous
works
allow
fabrication
a
high‐quality
absorber
enhances
PSCs
performance.
studies
resolve
contemporary
techniques
(e.g.,
passivation
strategy)
with
recent
novel
methods
presented
in
this
review
form
essence
improvements
PSCs.
morphology
also
influences
charge‐transfer
behavior
device's
lifetime.
Therefore,
understanding
these
properties
is
essential
improve
quality
avoid
many
defects.
This
focuses
on
structure
pure
mixed
FA
various
halides,
cation's
role
composition.
And
comprehensive
overview
double,
triple,
quadrupole
results
proper
scientific
explanations
understand
physics.
Language: Английский
Ethyl Thioglycolate Assisted Multifunctional Surface Modulation for Efficient and Stable Inverted Perovskite Solar Cells
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 12, 2024
Abstract
As
the
core
component
of
sandwich‐like
perovskite
solar
cells
(PSCs),
quality
layer
is
a
challenge
for
further
progress
in
PSCs
due
to
unfavorable
defects
and
uncontrollable
crystallization.
Here,
surface
post‐treatment
strategy
employing
ethyl
thioglycolate
(ET)
as
ligand
molecule
developed
property
manipulation
films.
ET
can
lower
energy
facets
induces
secondary
growth
grains,
giving
films
with
higher
crystallinity
defect
density.
Meanwhile,
both
carbonyl
sulfhydryl
bind
Pb
2+
,
thus
forming
bidentate
anchoring
on
passivation.
Besides,
perovskite/ET/C
60
interface
presents
improved
charge
transfer
owing
well‐aligned
levels.
Consequently,
power‐conversion‐efficiency
(PCE)
boosted
22.42%
23.56%
(certified
23.29%)
FA
0.85
Cs
0.15
Pb(I
0.95
Br
0.05
)
3
0.9
MA
PSCs,
respectively,
‐based
PSC
larger
area
(1.03
cm
2
delivers
PCE
20.01%.
Importantly,
demonstrates
effective
management
I
PbI
thereby
preventing
accelerated
degradation
lead
leakage
devices.
Thanks
multiple
effects
ET,
resulting
devices
exhibit
significantly
enhanced
ambient
stability
over
course
800
h,
thermal
1500
h
while
maintaining
80.4%
its
original
efficiency.
Language: Английский
Stability Challenges in Industrialization of Perovskite Photovoltaics: From Atomic‐Scale View to Module Encapsulation
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 3, 2024
Abstract
Perovskite
photovoltaics
have
attracted
significant
attention
in
both
academia
and
industry,
benefiting
from
the
superiorities
of
high
efficiency,
low
cost,
simplified
fabrication
process.
Importantly,
long‐term
stability
is
essential
for
practical
industrialization;
however,
challenge
remains
a
impediment.
Notably,
an
prerequisite
applications.
Unfortunately,
as
device
area
increases,
even
to
module
level,
efficiency
gradually
diminishes,
deteriorates.
This
review
summarizes
advances
perovskite
photovoltaic
technology
comprehensive
perspectives,
including
atomic‐scale,
grain
boundary,
film
morphology,
interface,
charge
transport
layer,
electrode,
laser
etching,
encapsulation.
First,
highlights
ongoing
importance
industrialization
photovoltaics.
Then,
presents
explores
relationship
between
large‐area
modules,
shedding
light
on
issue.
Later,
explains
issue
terms
structure,
chemistry,
interfaces,
design,
operation,
external
environment,
proposes
strategies
ranging
atomic‐scale
Finally,
emphasizes
various
improvement
strategies,
particularly
multilevel
synergistic
optimization,
offering
fundamental
guidance
Language: Английский