Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(37)
Published: April 18, 2024
Abstract
A
facile
and
eco‐friendly
dimethyl
sulfoxide‐mediated
solution
aging
(DMSA)
treatment
is
presented
to
control
the
crystallization
dynamics
of
methylammonium
(MA)‐free
wide‐bandgap
(WBG)
perovskite
films,
enhancing
film
quality,
morphology
for
high‐performance
tandem
solar
cells.
The
comprehensive
structural,
morphological,
characterization
analyses
reveal
that
DMSA
significantly
enhances
composition
homogeneity
while
suppressing
halide
segregation.
Consequently,
opaque,
semi‐transparent
MA‐free
WBG
cells
(PSCs)
exhibit
remarkable
power
conversion
efficiencies
(PCEs)
18.28%
17.61%,
respectively.
Notably,
unencapsulated
DMSA‐treated
devices
maintain
95%
initial
PCE
after
900
h
continuous
operation
at
55
°C
±
5
°C.
Furthermore,
stacking
PSCs
as
top
in
a
4T
configuration,
along
with
silicon
heterojunction
(SHJ),
lead–tin
(Pb–Sn)
alloyed
PSCs,
organic
photovoltaics
(OPV)
bottom
cells,
yields
impressive
PCEs
28.09%,
26.09%,
25.28%,
respectively,
fabricated
This
innovative
approach
opens
new
avenues
photo‐stability
photovoltaic
performance
perovskite‐based
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(8)
Published: Jan. 4, 2023
Abstract
Engineering
of
the
interface
between
perovskite
absorber
thin
films
and
charge
transport
layers
has
fueled
development
solar
cells
(PSCs)
over
past
decade.
For
p‐i‐n
PSCs,
adoption
hole
utilizing
self‐assembled
monolayers
(SAM‐HTLs)
based
on
carbazole
functional
groups
with
phosphonic
acid
anchoring
enabled
almost
lossless
contacts,
minimizing
interfacial
recombination
to
advance
power
conversion
efficiency
in
single‐junction
tandem
cells.
However,
so
far
these
materials
have
been
deposited
exclusively
via
solution‐based
methods.
Here,
for
first
time,
vacuum‐based
evaporation
most
common
carbazole‐based
SAM‐HTLs
(2PACz,
MeO‐2PACz,
Me‐4PACz)
is
reported.
X‐ray
photoelectron
spectroscopy
infrared
demonstrate
no
observable
chemical
differences
evaporated
SAMs
compared
solution‐processed
counterparts.
Consequently,
near
properties
are
either
preserved
or
even
slightly
improved
as
demonstrated
photoluminescence
measurements
an
enhancement
open‐circuit
voltage.
Strikingly,
applying
complete
PSCs
demonstrates
comparable
performance
their
Furthermore,
vacuum
deposition
found
improve
wetting
fabrication
yield
previously
non‐ideal
(namely
display
conformal
high‐quality
coating
micrometer‐sized
textured
surfaces,
improving
versatility
without
sacrificing
beneficial
properties.
Advanced Energy Materials,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Dec. 9, 2022
Abstract
Following
the
2nd
release
of
“Emerging
PV
reports,”
best
achievements
in
performance
emerging
photovoltaic
devices
diverse
research
subjects
are
summarized,
as
reported
peer‐reviewed
articles
academic
journals
since
August
2021.
Updated
graphs,
tables,
and
analyses
provided
with
several
parameters,
e.g.,
power
conversion
efficiency,
open‐circuit
voltage,
short‐circuit
current
density,
fill
factor,
light
utilization
stability
test
energy
yield.
These
parameters
presented
a
function
bandgap
average
visible
transmittance
for
each
technology
application,
put
into
perspective
using,
detailed
balance
efficiency
limit.
The
3rd
installment
reports”
extends
scope
toward
triple
junction
solar
cells.
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
16(11), P. 5029 - 5042
Published: Jan. 1, 2023
By
combining
a
1.67
eV
PSC
top
sub-cell
with
bandgap
nearly-matched
1.04
eV-CIGS
bottom
sub-cell,
we
have
successfully
realized
the
highest
tandem
efficiency
of
28.4%
for
PSC/CIGS
cell
superior
photostability.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(8), P. 2800 - 2814
Published: Jan. 1, 2024
Key
advances
on
triple-junction
perovskite–perovskite–Si
solar
cells
with
an
unprecedented
efficiency
of
24.4%
and
enhanced
long-term
thermal
stability
are
reported
via
the
development
high-performance
middle
perovskite
cell.
Solar RRL,
Journal Year:
2024,
Volume and Issue:
8(21)
Published: March 14, 2024
In
recent
years,
perovskite
solar
cells
(PSCs)
have
emerged
as
a
focal
point
for
numerous
researchers
due
to
their
excellent
photoelectric
performance.
comparison
single‐junction
devices,
double‐junction
exhibited
the
potential
superior
power
conversion
efficiency
(PCE).
Copper
indium
gallium
selenide
(CIGS)
cells,
well‐established
photovoltaic
technology,
can
be
used
viable
bottom
cell
candidate
tandem
(TSCs).
Recently,
PCE
of
most
advanced
4T
perovskite/CIGS
TSCs
reached
29.9%,
while
highest
2T
TSC
is
24.2%,
which
develops
relatively
slowly.
contrast
leading
perovskite/silicon
(Si)
in
terms
(PCE
=
33.9%,
30.35%),
exhibit
distinctive
advantages
such
adjustable
bandgap,
high
absorption
coefficient,
radiation
resistance,
and
prepared
on
flexible
substrates.
Building
upon
these
advantages,
optimization
process
four‐terminal
two‐terminal
elucidated,
key
technologies
challenges
material,
structure,
performance
are
summarized,
prospective
analysis
future
overall
development
this
review
provided.
Furthermore,
it
hoped
give
readers
comprehensive
understanding
TSCs.
ACS Energy Letters,
Journal Year:
2024,
Volume and Issue:
9(4), P. 1545 - 1547
Published: March 15, 2024
Here
we
report
for
the
first
time
a
monolithic
perovskite–CIGS
tandem
(CIGS
=
Cu(In,Ga)Se2)
solar
cell
on
flexible
conductive
steel
substrate
with
an
efficiency
of
18.1%,
highest
to
date,
representing
important
step
toward
perovskite-based
photovoltaics.
Communications Materials,
Journal Year:
2025,
Volume and Issue:
6(1)
Published: Jan. 6, 2025
Cu(In,Ga)(S,Se)2
absorbers
with
a
bandgap
in
the
near-infrared
region
are
ideal
candidates
for
bottom
cell
multi-junction
solar
architectures.
In
flexible
and
lightweight
form
factors,
such
devices
could
help
power
many
applications
through
integrated
cells.
Here,
we
show
use
of
two-step
method
to
synthesize
Cu(In,Ga)(S,Se)2,
between
1.00
1.13
eV,
on
bendable
ultra-thin
glass,
minority
carrier
lifetimes
approaching
100
ns,
homogenous
repeatable
fashion.
We
also
report
conventional
alternative
device
fabrication
methods
very
low
waste
toxicity
footprints.
Champion
cells
fabricated
based
graded
1.05
1.1
an
open
circuit
voltage
600
mV.
Our
results
way
scalable
all
thin-film,
tandem
cells,
by
means
industrially
relevant
processing
steps
cost
sustainable
Moving
towards
photovoltaics
is
attractive
self-powered
wearable
opto-electronics
biomedical
applications.
simple
approach
growing
Cu(In,Ga)(S,Se)>sub<2
>
/sub
