Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 30, 2024
The
study
presents
a
multi-functional
and
semiconductor
polymer
poly[bis(3-hexylthiophen-2-yl)thieno[3,4-c]pyrrole-4,6-dione]
(PBDTTPD)
doping
strategy
that
significantly
enhanced
the
performance
of
two-terminal
all-perovskite
tandem
perovskite
solar
cells
(T-PSCs).
An
optimized
power
conversion
efficiency
(PCE)
26.87%
has
been
achieved.
incorporation
PBDTTPD
into
wide
bandgap
(WBG)
layer
evidently
improved
its
crystallinity
top-cell's
PCE
to
18.49%.
After
2880
h
dark
storage
in
nitrogen,
TPSC
retained
87.4%
initial
PCE,
which
demonstrates
device's
stability.
On
flexible
polyethylene-naphthalate
(PEN)
substrate,
achieved
an
champion
22.96%,
advanced
anti-bending
ability.
TPSC's
is
ascribed
strong
coordinate-bonding
between
S/N/O
passivation
sites
PBDTTPD,
Pb
The Journal of Physical Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
unknown, P. 9894 - 9904
Published: Sept. 20, 2024
Transparent
photovoltaics
are
garnering
significant
interest
for
power
generation
in
applications
where
light
transmission
is
required.
Metal
halide
perovskites
have
emerged
as
one
of
the
most
lucrative
material
classes
such
device
architectures
due
to
their
exceptional
optoelectronic
properties,
and
compositional
versatility
enabling
a
wide
range
transparency
levels.
While
research
has
primarily
focused
on
semitransparent
solar
cell
architectures,
colored
appearance,
efficiency
limitations
hinder
practical
applicability.
In
this
perspective,
we
look
at
semiopaque
perovskite
cells
an
alternative
technological
approach
that
comprises
partially
covered
surfaces
enable
transmission.
Our
comparative
analysis
reveals
devices
potential
superior
efficiencies
while
maintaining
color-neutral
appearance.
These
benefits
met
with
number
hurdles,
which
provide
key
areas
future
innovation
see
realization
real
world
applications.
Semiconductor Science and Technology,
Journal Year:
2025,
Volume and Issue:
40(3), P. 035004 - 035004
Published: Jan. 14, 2025
Abstract
This
study
aims
at
exploring
the
potential
of
inorganic
wide-bandgap
mixed-halide
aluminum-containing
perovskites
Cs
3
AlI
x
Br
6−
for
solar
harvesting,
by
investigating
their
structural,
electronic
and
optical
properties
through
density
functional
theory
using
augmented
plane
wave
plus
local
orbital
method.
The
structural
were
calculated
with
PBE-GGA
potential.
Volume
optimization
negative
formation
energies
confirm
thermal
stability
compounds.
Tran–Blaha
modified
Becke–Johnson
(TB-mBJ)
TB-mBJ
corrected
band
gaps
revealed
that
these
materials
belong
to
(WBG)
perovskite
family,
displaying
in
range
3–5
eV.
direct
bandgap
nature,
I-p
Br-p
states
mainly
contributing
valence
Al-s,
Al-p
Cs-d
conduction
band.
Absorption
coefficients
from
10
to140
×
4
per
cm
UV
region,
thus
making
WBG
suitable
applications
this
region.
Optical
show
absorption
light
beyond
eV
validate
gaps.
coefficients,
conductivity
dielectric
function
(real
imaginary)
a
peak
shift
higher
lower
increasing
I
concentration.
above
results
suggest
can
be
highly
considered
use
photovoltaics,
optoelectronic
devices
(light-emitting
diodes,
photodiodes),
power
small
batteries
Internet
Things,
agrivoltaics
fabrication
semi-transparent
cells.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 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 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
Wide
bandgap
(WBG)
perovskite
solar
cells
(PSCs)
provide
their
merit
of
high
voltage
output
but
are
faced
with
the
overdeepened
valence
band
and
notorious
phase
segregation.
Herein,
two
alkylthiophene-substituted
polythiophenes
(PT4T-0F
PT4T-2F)
applied
as
interfacial
layer
for
WBG
(1.72
eV)
PSCs.
Compared
PT4T-0F,
PT4T-2F
fluoride
(F)
on
thiophene
units
in
a
conjugated
backbone
exhibits
more
planar
configuration,
higher
hole
mobility,
deeper
highest
occupied
molecular
orbital
energy.
By
using
an
additive
antisolvent,
crystal
growth
FA
