Advanced Energy and Sustainability Research,
Journal Year:
2024,
Volume and Issue:
6(1)
Published: Dec. 5, 2024
To
reduce
surface
defects
and
tune
mismatched
energy
levels
between
the
tin
oxide
(SnO
2
)
electron
transport
layer
(ETL)
perovskite
absorber,
a
mixture
of
urea
potassium
acetate
(U‐PA)
is
firstly
utilized
as
healing
agent.
The
film
deposited
on
SnO
/U‐PA
exhibits
enlarged
grains
shortened
carrier
lifetime
compared
to
that
pristine
.
U‐PA
treatment
not
only
ameliorates
photocurrent
but
also
adjusts
interfacial
level
alignment,
thereby
reducing
barrier
augmenting
open‐circuit
voltage
(
V
OC
photovoltaic
devices.
device
based
ETL
leads
best
conversion
efficiency
breakthrough
19.24%
high
1084.5
mV,
which
are
much
higher
than
those
controlled
device.
Moreover,
unencapsulated
retains
70%
its
initial
after
800
h
storage.
experimental
results
provide
facile
inexpensive
guidance
toward
sustainable
green
production.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(19), P. 6974 - 7016
Published: Jan. 1, 2024
This
review
overviews
the
challenges
at
buried
interface
of
PSCs,
defect
passivation
capabilities
SAMs,
and
its
effectiveness
compared
to
other
passivating
agents.
Cell Reports Physical Science,
Journal Year:
2024,
Volume and Issue:
5(6), P. 101992 - 101992
Published: May 20, 2024
Modulating
the
hole
transport
layer
(HTL)
and
its
interface
with
perovskite
is
crucial
to
lower
interfacial
losses
thereby
achieve
highly
efficient
inverted
solar
cells
(PSCs).
Here,
we
develop
a
mixed
strategy
for
self-assembled
monolayer
(SAM)-based
HTL,
where
2-mercaptoimidazole
2-mercaptobenzimidazole
are
introduced
as
additives
into
[2-(3,6-dimethoxy-9H-carbazol-9-yl)ethyl]phosphonic
acid
(MeO-2PACz).
It
revealed
that
cluster
formation
during
SAM
adsorption
leads
incomplete
substrate
coverage.
However,
these
can
effectively
suppress
aggregation
by
forming
complexation
MeO-2PACz,
affording
homogeneous
HTLs.
The
HTLs
exhibit
better-matched
energy
bands
improve
contact,
resulting
in
denser
larger
grains
of
bottom
perovskite.
Moreover,
some
MeO-2PACz
molecules
HTL
enter
films
passivate
defects.
All
positive
results
promote
charge
transfer
inhibit
recombination,
helping
PSCs
high
power
conversion
efficiency
24.38%
enhanced
stability.
Small,
Journal Year:
2024,
Volume and Issue:
20(26)
Published: Jan. 18, 2024
Abstract
Inverted
flexible
perovskite
cells
(fPSCs)
have
attracted
much
attention
for
their
high
efficiency
and
power
per
weight.
Still,
the
steady–state
output
is
one
of
critical
factors
commercialization.
In
this
paper,
it
found
that
current
inverted
fPSCs
based
on
nickel
oxide
nanoparticles
(n‐NiO
x
)
continuously
decreases
under
light
illumination.
Conversely,
those
magnetron‐sputtered
NiO
(sp‐NiO
exhibit
opposite
result.
Based
visualization
ion
migration
in
photoluminescence
(PL)
imaging
microscopy
tests,
discrepancies
buried
surfaces
lead
to
differences
films,
which
triggers
temporary
instability
devices
during
operation.
The
DFT
theoretical
calculation
experimental
results
reveal
films
with
different
contents
Ni
vacancies
can
modulate
crystallization
surfaces.
Tuning
essential
stabilize
at
a
steady
state.
To
demonstrate
that,
capsaicin
doped
into
solutions
improve
quality
interface.
Finally,
corresponding
outstanding
stability
These
provide
valuable
scientific
guidance
fabricating
stable
operation
illumination
conditions.
Small,
Journal Year:
2024,
Volume and Issue:
20(29)
Published: Feb. 16, 2024
Iodide
perovskites
have
demonstrated
their
unprecedented
high
efficiency
and
commercialization
potential,
superior
optoelectronic
properties,
such
as
absorption
coefficient,
carrier
mobility,
narrow
direct
bandgap,
attracted
much
attention,
especially
in
solar
cells,
photodetectors,
light-emitting
diodes
(LEDs).
However,
whether
it
is
organic
iodide
perovskite,
organic-inorganic
hybrid
perovskite
or
all-inorganic
the
stability
of
these
still
poor
contamination
high.
In
recent
years,
scholars
studied
more
to
improve
well
properties
from
various
angles.
This
paper
systematically
reviews
strategies
(component
engineering,
additive
dimensionality
reduction
phase
mixing
engineering)
used
applications
years.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(2), P. 2232 - 2243
Published: Jan. 10, 2024
The
optimization
of
interfacial
properties
between
the
perovskite
layer
and
electron-transporting
(ETL)
is
always
a
vital
approach
to
reduce
defects
for
improving
photovoltaic
performance
solar
cells
(PSCs).
Herein,
nanomaterials
tunable
photoluminescent
nitrogen-doped
graphene
quantum
dots
(TP-N-GQDs)
were
prepared
though
facile
solid-phase
microwave-assisted
(SPMA)
method
in
presence
citric
acid
by
adding
urea
as
nitrogen
precursor.
Leveraging
synergistic
effect
N-GQDs
along
with
property
at
interface
PSCs
proved
be
an
efficient
strategy
enhancing
light-harvesting
capability
facilitating
charge
transportation
simultaneously,
which
leads
overall
improvement
PSC
performance.
Moreover,
electron-rich
pyridinic
within
TP-N-GQDs
acted
Lewis
base,
coordinating
Pb2+
ions
forming
coordination
bonds
sharing
electron
pairs,
thereby
decreasing
density
nonradiative
recombination
photogenerated
carriers.
Consequently,
through
doping
ratio
TP-N-GQDs,
areas
0.09
1
cm2
achieved
maximum
power
conversion
efficiencies
(PCEs)
21.98
17.12%,
respectively.
Additionally,
TP-N-GQD
passivation
significantly
enhanced
long-term
stability
device.
unencapsulated
TP-N-GQD-modified
device
could
sustain
about
83%
its
initial
PCE
afterward
30
days
storage
air
(25
±
5
°C,
RH
25
5%).
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 28, 2024
Lead
halide
perovskite
solar
cells
(PSCs)
have
demonstrated
power
conversion
efficiencies
comparable
to
silicon-based
cells,
yet
their
instability
under
environmental
stressors,
such
as
humidity,
heat,
and
light,
remains
a
significant
barrier
commercialization.
A
primary
cause
of
this
is
the
uncoordinated
lead
ions
(Pb
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(8), P. 3137 - 3144
Published: April 2, 2024
As
a
shining
star
in
the
photovoltaic
community,
perovskite
solar
cells
(PSCs)
have
been
making
significant
progress
recent
years.
However,
poor
long-term
operation
stability
caused
by
various
defects
seriously
restricts
their
commercialization
process.
In
this
work,
multifunctional
ionic
liquid
passivator,
1-aminoethyl-3-methylimidazolium
tetrafluoroborate
(AMFB),
is
incorporated
to
passivate
A+,
B2+,
and
X–
absorber
enhance
device
further.
It
found
that
AMFB
can
cooperate
with
undercoordinated
Pb2+
from
hydrogen
bonds
organic
cations
I–
ions,
leading
sufficiently
passivated
film.
Besides,
more
suitable
energy
arrangement
hydrophobicity
of
resultant
interface
contribute
facilitated
carrier
transport
durable
devices.
result,
champion
power
conversion
efficiency
(PCE)
optimized
devices
significantly
increases
22.16
24.41%
negligible
hysteresis,
large-area
also
boost
19.86
23.24%.
Surprisingly,
unpackaged
demonstrate
excellent
robustness
against
moisture
thermal
stresses,
maintaining
over
90%
initial
PCE
after
1500
h
continuous
heating
at
85
°C
500
aging
air
relative
humidity
70
±
5%.
This
work
provides
an
effective
feasible
method
for
improving
performance
PSCs
facilitating
