Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(17)
Published: Feb. 2, 2023
Abstract
Introducing
excess
PbI
2
has
proven
to
be
an
effective
in
situ
passivation
strategy
for
enhancing
efficiency
of
perovskite
solar
cells
(PSCs).
Nevertheless,
the
photoinstability
and
hysteresis
are
still
tough
issues
owing
photolysis
nature
.
Moreover,
humidity‐related
degradation
films
is
also
a
difficult
territory
cover
such
strategy.
Herein,
synergistic
reported
via
initiatively
inducing
vertical
graded
distribution
(GPD)
whole
film
capping
cis
‐Ru(H
dcbpy)(dnbpy)(NCS)
(Z907)
internal
encapsulation
(IE)
layer
on
surface
ameliorate
above
issues.
The
GPD
design
can
enhance
luminescence,
prolong
carrier
lifetimes,
ascertaining
improvement
elimination
PSCs.
Besides,
introduced
IE
not
only
promote
moisture
thermal
resistance,
but
inhibit
Pb
leakage
ion
migration
Through
synergetic
regulations,
resultant
PSCs
exhibit
impressive
open
circuit
voltage
(
V
OC
)
1.253
V,
fill
factor
81.25%,
power
conversion
(PCE)
24.28%.
maintain
91%
its
initial
PCE
at
relative
humidity
85%
after
500
h
aging
94%
under
continuous
heating
85
°C
750
aging.
Advanced Energy Materials,
Journal Year:
2022,
Volume and Issue:
12(37)
Published: Aug. 16, 2022
Abstract
The
open‐circuit
voltage
(
V
OC
)
and
fill
factor
(FF)
of
perovskite
solar
cells
(PSCs)
are
detrimentally
weakened
by
carrier
loss
at
the
perovskite/charge
transport
layers
(CTLs)
interfaces.
Herein,
a
dual
interfacial
modification
strategy
via
placing
Nb
2
CT
x
nanosheets
with
tailored
optoelectrical
properties
induced
manipulating
surface
terminal
groups
both
perovskite/CTLs
interfaces
is
employed.
Such
tactics
not
only
concurrently
implement
mobility
enhancement
CTLs
interface
energy‐levels
offsets
reduction.
More
importantly,
electrical
simulation
indicates
that
O
located
grain
boundaries
layer,
can
more
efficiently
conduct
hole
current
to
therefore
achieving
charge‐carrier
balance
in
device.
As
result,
synergy
effect
effectively
elevates
FF
cells,
reaching
maximum
values
1.253
81.07%,
respectively,
finally
delivering
progressively
increased
device
power
conversion
efficiency
(PCE)
24.11%
negligible
hysteresis.
This
PCE
value
ranks
highest
date
for
PSCs
employing
MXenes
materials.
Moreover,
optimized
devices
show
better
thermal
light
stability
than
control
devices.
work
demonstrates
simple
effective
method
utilizing
photovoltaic
field,
involving
photodetectors,
light‐emitting
diodes,
sensors,
etc.
Advanced Energy and Sustainability Research,
Journal Year:
2022,
Volume and Issue:
3(6)
Published: Feb. 26, 2022
The
certified
efficiency
of
perovskite
solar
cells
(PSCs)
has
reached
25.5%
within
just
around
10
years,
approaching
the
highest
reported
value
mainstream
silicon
cells.
application
metal–oxide
(MO)
electron
transport
layers
(ETLs),
including
TiO
2
and
SnO
,
is
crucial
for
achieving
highly
efficient
PSCs
because
their
wonderful
photoelectrical
properties,
resulting
in
n–i–p
conventional
structure
devices,
constantly
breaking
world
record
efficiency.
However,
these
MOETLs
inevitably
lead
to
degradation
due
photocatalytic
activity
under
actual
sunlight
which
includes
ultraviolet
(UV)
range.
Overcoming
UV
still
a
great
challenge
state‐of‐the‐art
toward
practical
applications.
Herein,
recent
progress
related
induced
by
based
on
literature
reports
reviewed,
photocatalysis
origin,
mechanism,
challenges,
various
strategies.
Perspectives
future
efforts
overcoming
are
provided.
It
believed
that
this
review
advantageous
stable
outdoor
sunlight.
Energy & Environmental Science,
Journal Year:
2022,
Volume and Issue:
15(9), P. 3862 - 3876
Published: Jan. 1, 2022
In
this
work,
we
elucidate
the
relationship
between
heating-rate
and
FAPbI
3
perovskite
phase
transformation,
bringing
a
new
with
crystal
growth
parameters.
Thus,
manufactured
highly
stable
solar
cells
640
ms
IR
pulse.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(17)
Published: Feb. 2, 2023
Abstract
Introducing
excess
PbI
2
has
proven
to
be
an
effective
in
situ
passivation
strategy
for
enhancing
efficiency
of
perovskite
solar
cells
(PSCs).
Nevertheless,
the
photoinstability
and
hysteresis
are
still
tough
issues
owing
photolysis
nature
.
Moreover,
humidity‐related
degradation
films
is
also
a
difficult
territory
cover
such
strategy.
Herein,
synergistic
reported
via
initiatively
inducing
vertical
graded
distribution
(GPD)
whole
film
capping
cis
‐Ru(H
dcbpy)(dnbpy)(NCS)
(Z907)
internal
encapsulation
(IE)
layer
on
surface
ameliorate
above
issues.
The
GPD
design
can
enhance
luminescence,
prolong
carrier
lifetimes,
ascertaining
improvement
elimination
PSCs.
Besides,
introduced
IE
not
only
promote
moisture
thermal
resistance,
but
inhibit
Pb
leakage
ion
migration
Through
synergetic
regulations,
resultant
PSCs
exhibit
impressive
open
circuit
voltage
(
V
OC
)
1.253
V,
fill
factor
81.25%,
power
conversion
(PCE)
24.28%.
maintain
91%
its
initial
PCE
at
relative
humidity
85%
after
500
h
aging
94%
under
continuous
heating
85
°C
750
aging.
