Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Although
p‐i‐n
type
inverted
perovskite
solar
cells
(PSCs)
achieve
excellent
photoelectric
efficiencies,
the
nonradiative
recombination
at
perovskite/C
60
interface
is
still
key
factor
affecting
overall
efficiency
of
PSCs.
Herein,
a
synergistic
passivation
strategy
(meta‐fluoro‐phenylethylammonium
iodide
and
piperazine
iodide)
developed
to
modify
in
This
facilitates
situ
reconstruction
film
obtain
smooth
flat
surface.
Furthermore,
two
molecules
work
synergistically
passivate
surface
defects,
adjust
energy
levels,
bolster
electric
field,
all
which
reduce
losses
interface.
The
optimal
PSCs
adopting
this
power
conversion
25.85%.
(certified
value
25.22%).
After
operating
maximum
point
for
1000
h,
95%
initial
can
be
maintained.
process
universally
applicable
scalable.
Solar RRL,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
Inverted
perovskite
solar
cells
(IPSCs)
have
become
a
research
hotspot
in
the
field
of
photovoltaics
due
to
their
excellent
photovoltaic
performance,
minimal
hysteresis,
and
low
fabrication
costs.
Poly(3,4‐ethylenedioxythiophene):poly(styrene
sulfonate)
(PEDOT:PSS),
as
an
inexpensive
hole
transport
material,
has
been
widely
applied
IPSCs.
However,
PEDOT:PSS
drawbacks
such
energy‐level
mismatch
with
perovskite,
severe
interfacial
defects,
rate,
conductivity.
Therefore,
modifying
improving
is
practical
value.
Herein,
potassium
benzoate
introduced
dope
PEDOT:PSS,
enhancing
its
conductivity
accelerating
device,
making
energy
levels
between
more
compatible.
More
importantly,
benzoate‐doped
PEDOT
promotes
crystal
growth,
increases
grain
size
film,
passivates
defects.
The
open‐circuit
voltage
(
V
oc
)
device
from
1.107
1.137
V,
power
conversion
efficiency
improves
original
17.24%
20.15%.
This
study
provides
new
approach
develop
inverted
PSCs.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
Rational
regulation
of
Me‐4PACz/perovskite
interface
has
emerged
as
a
significant
challenge
in
the
pursuit
highly
efficient
and
stable
perovskite
solar
cells
(PSCs).
Herein,
an
organometallic
molecule
aluminum
glycinate
(AG)
that
contained
amine
(‐NH
2
)
hydroxyl
(Al‐OH)
groups
is
developed
to
tailor
buried
minimize
interface‐driven
energy
losses.
The
Al‐OH
selectively
bonded
with
unanchored
O═P‐OH
bare
NiO‐OH
optimize
surface
morphology
levels,
while
‐NH
group
interacted
specifically
Pb
2+
retard
crystallization,
passivate
Pb‐related
defects,
release
residual
stress.
These
interactions
facilitate
carrier
extraction
reduce
losses,
thereby
realizing
balanced
charge
transport.
Consequently,
AG‐modified
narrow
bandgap
(1.55
eV)
PSC
demonstrates
efficiency
26.74%
(certified
26.21%)
fill
factor
86.65%;
wide
(1.785
realizes
20.71%
champion
excellent
repeatability.
PSCs
maintain
91.37%,
91.92%,
92.00%
their
initial
after
aging
air
atmosphere,
nitrogen‐filled
atmosphere
at
85
°C,
continuously
tracking
maximum
power‐point
under
one‐sun
illumination
(100
mW
cm
−2
for
1200
h,
respectively.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 10, 2024
Abstract
The
presence
of
various
defects
within
the
electron
transport
layer
(ETL),
perovskite
(PVK)
layer,
and
their
interfaces
significantly
affects
efficiency,
hysteresis,
stability
solar
cells
(PSCs)
in
n–i–p
structure.
Herein,
a
defect
passivation
strategy
employing
potassium
4‐methoxysalicylate
(MSAK)
is
utilized
to
efficiently
modulate
ETL,
PVK,
ETL/PVK
interface.
functional
groups
−COO−
−OH
MSAK
molecules,
along
with
K
+
cations,
effectively
reduce
tin
oxide
(SnO
2
)
improve
properties.
Importantly,
MSAK‐SnO
provides
favorable
substrate
for
growth
highly
crystallization
dense
layers.
molecules
also
passivate
bottom
interface
PVK
by
coordinating
under‐coordinated
Pb
2+
ions.
Furthermore,
cations
can
migrate
into
further
enhancing
improving
photovoltaic
performance
PSC
devices.
PSCs
fabricated
using
based
on
achieve
remarkable
power
conversion
efficiency
(PCE)
25.47%,
alongside
reduced
hysteresis
enhanced
stability.
After
being
stored
under
ambient
conditions
60
days,
device
maintains
nearly
90%
its
initial
PCE,
whereas
PCE
pristine
decreases
69.7%
after
aging.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 5, 2024
Abstract
The
interfacial
management
in
perovskite
solar
cells
(PSCs),
including
mitigating
the
carrier
transport
barrier
and
suppressing
non‐radiative
recombination,
still
remains
a
significant
challenge
for
efficiency
stability
enhancement.
Herein,
by
screening
family
of
fluorine
(F)
terminated
dual‐site
organic
dipole
molecules,
study
aims
to
gain
insight
into
molecular
array
toward
tunable
field.
Both
experimental
theoretical
results
reveal
that
these
functional
molecules
can
effectively
anchor
on
surface
through
Lewis
acid‐base
interaction.
In
addition,
tailored
side‐chain
with
F
atoms
allows
altering
constructing
well
matched
perovskite/Spiro‐OMeTAD
contact.
As
result,
inserting
modulates
interface
deliver
gradient
energy
level
alignment,
facilitating
extraction
transport.
optimal
trifluoro‐methanesulfonamide
mediated
N‐i‐P
PSCs
achieve
highest
25.47%,
together
enhanced
operational
under
1000
h
simulated
1‐sun
illumination
exposure.
These
findings
are
believed
provide
design
sufficient
tunability
perovskite‐based
optoelectronic
devices.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 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.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 2, 2024
Abstract
Photomultiplication‐type
organic
photodetectors
(PM‐OPDs)
effectively
amplify
photogenerated
signals,
eliminating
the
need
for
external
amplifiers
and
simplifying
detection
systems.
Current
designs
require
high
bias
voltages,
leading
to
significant
power
consumption.
This
study
introduces
PM‐OPDs
with
reduced
voltage
by
incorporating
a
hole‐blocking
layer
(HBL)
between
active
electrode.
Deep
HOMO
level
thin
HBL
facilitate
hole
accumulation
energy
bending,
lowering
enhancing
electron
injection.
The
elevated
LUMO
of
minimizes
non‐radiative
recombination
prolongs
lifetime
accumulated
holes,
resulting
in
greater
photogains.
Four
HBLs—BCP,
PFN‐Br,
BPhen,
C
60
—are
explored
ZnO
serving
as
an
transporting
(ETL).
By
applying
bi‐directional
±0.5
V,
are
enabled
operate
EQE
19560%
detectivity
2.8
×
10
13
Jones.
versatility
this
mechanism
is
validated
across
three
combinations.
Compared
commercial
silicon
photodetector,
flexible
achieved
139.3‐fold
increase
photocurrent
photoplethysmography
under
faint
light
conditions.
work
presents
promising
strategy
developing
biased
consumption
while
maintaining
gains
various
practical
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
The
rapidly
increased
efficiency
of
perovskite
solar
cells
(PSCs)
indicates
their
broad
commercial
prospects,
but
the
commercialization
faces
complex
optimization
processes
and
stability
issues.
In
this
work,
a
simple
optimized
strategy
is
developed
by
addition
trimethylgermanium
chloride
(TGC)
into
FACsPbI
