Energy & environment materials,
Journal Year:
2024,
Volume and Issue:
7(4)
Published: Jan. 31, 2024
Grain
boundaries
(GBs)
in
perovskite
polycrystalline
films
are
the
most
sensitive
place
for
formation
of
defect
states
and
accumulation
impurities.
Thus,
abundant
works
have
been
carried
out
to
explore
their
properties
then
try
solve
induced
problems.
Currently,
two
important
issues
remain.
First,
role
GBs
charge
carrier
dynamics
is
unclear
due
component
complexity/defect
tolerance
nature
insufficiency
testing
accuracy.
Some
conclude
that
benign,
while
others
consider
as
recombination
centers.
Things
sure
deterioration
ion
transport
decomposition.
Second,
known
hazards
GBs,
a
lot
additives
added
anchoring
ions
passivate
defects.
But
those
works,
surfaces
treated
same
manner
ignoring
fact
GB
essentially
homogeneous
junction
narrow
slender
space,
surface
heterogeneous
with
stratified
structure.
In
this
review,
we
focus
on
insight
into
them.
Additionally,
also
discuss
prospects
maturity
exploration
toward
upscaling
manufacture
photovoltaic
related
optoelectronic
devices.
Communications Materials,
Journal Year:
2022,
Volume and Issue:
3(1)
Published: Aug. 29, 2022
Abstract
Commercialization
is
widely
believed
to
be
achievable
for
metal
halide
perovskite
solar
cells
with
high
efficiency
and
low
fabrication
cost.
However,
stability
remains
a
key
obstacle
them
compete
established
photovoltaic
technologies.
The
community
relies
on
the
International
Electrotechnical
Commission
(IEC)
standard
minimum
assessment
any
commercialized
cell.
In
this
review,
we
summarize
main
degradation
mechanisms
of
results
achieving
sufficient
meet
IEC
standards.
We
also
limitations
evaluating
cell
commercialization
potential
within
framework
current
standard,
discuss
importance
outdoor
testing.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Oct. 17, 2023
Decarbonisation
plans
across
the
globe
require
zero-carbon
energy
sources
to
be
widely
deployed
by
2050
or
2060.
Solar
is
most
available
resource
on
Earth,
and
its
economic
attractiveness
improving
fast
in
a
cycle
of
increasing
investments.
Here
we
use
data-driven
conditional
technology
forecasting
modelling
establish
which
zero
carbon
power
could
become
dominant
worldwide.
We
find
that,
due
technological
trajectories
set
motion
past
policy,
global
irreversible
solar
tipping
point
may
have
passed
where
gradually
comes
dominate
electricity
markets,
without
any
further
climate
policies.
Uncertainties
arise,
however,
over
grid
stability
renewables-dominated
system,
availability
sufficient
finance
underdeveloped
economies,
capacity
supply
chains
political
resistance
from
regions
that
lose
employment.
Policies
resolving
these
barriers
more
effective
than
price
instruments
accelerate
transition
clean
energy.
ACS Materials Au,
Journal Year:
2022,
Volume and Issue:
2(3), P. 215 - 236
Published: Jan. 12, 2022
With
the
progress
in
development
of
perovskite
solar
cells,
increased
efforts
have
been
devoted
to
enhancing
their
stability.
more
devices
being
able
survive
harsher
stability
testing
conditions,
such
as
damp
heat
or
outdoor
testing,
there
is
interest
encapsulation
techniques
suitable
for
this
type
tests,
since
both
device
architecture
compatible
with
and
effective
are
necessary
those
conditions.
A
variety
materials
reported
date
different
architectures
tested
under
In
Perspective,
we
will
discuss
important
factors
affecting
effectiveness
focus
on
devices,
which
subjected
testing.
addition
requirements
these
also
requirements.
Finally,
possible
methods
accelerating
future
outlook
issues,
need
be
addressed
further
advancement
cells.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(32)
Published: April 14, 2022
Abstract
Although
perovskite
solar
cells
(PSCs)
are
on
the
road
to
industrialization,
operational
stability
under
high
efficiency
still
needs
be
improved,
and
water
solubility
of
lead
ions
(Pb
2+
)
will
cause
environmental
pollution
problems.
Herein,
it
is
successfully
implanted
an
environment‐friendly
(biodegradability)
poly(butylene
adipate‐coterephthalate)
polymer
(PBAT)
into
film,
which
can
passivate
uncoordinated
Pb
neutral
iodine
defects
material
because
adequate
carbonyl
groups
benzene
rings
in
PBAT
polymer,
thereby
regulating
crystallization
film
with
lower
trap
density,
inhibiting
nonradiative
recombination
improving
charge
carrier
transport.
As
a
result,
polymer‐incorporated
inverted
PSCs
achieve
optimal
conversion
efficiencies
22.07%
(0.1
cm
2
20.31%
(1
).
Meanwhile,
incorporated
device,
after
being
encapsulated,
exhibits
prominent
improvement
high‐efficiency
device
maximum
power
point
tracking
continuous
one
sunlight
illumination,
maintaining
initial
80%
for
3249
h.
More
importantly,
network
protect
from
dissolved
by
prevent
nearly
98%
leaking
directly
immersing
polymer‐coated
water.
Environmental‐friendly
molecules
provide
new
hope
solving
poisoning
efficiency.
Advanced Energy Materials,
Journal Year:
2022,
Volume and Issue:
12(19)
Published: March 28, 2022
Abstract
External
encapsulation
technique
as
a
straightforward
craft
process
has
been
adopted
to
prevent
the
infiltration
of
moisture
and
oxygen,
thereby
improving
environmental
stabilities
lead
halide
perovskite
solar
cells
(PSCs).
However,
irreversible
light‐induced
degradation
originating
from
various
vacancies
ion
diffusion
or
migration
inside
device
cannot
be
efficiently
solved
by
external
encapsulation.
Herein,
an
internal
strategy
introducing
NbCl
5
at
buried
tin
oxide/perovskite
interface
spin‐casting
n
‐butylammonium
bromide
on
top
is
developed
comprehensively
passivate
hence
block
channels
for
migration.
The
results
in
better
homogeneous
electron
transport
layer
effective
vacancy
passivation
simultaneously
generates
more
homogeneous,
crystallized
vertical
direction
with
significantly
reduced
residual
PbI
2
.
Furthermore,
fewer
oxygen
formation
ultrathin
Nb
O
interfacial
energy
level
alignment
transfer.
As
result,
power
conversion
efficiency
(PCE)
resulting
PSCs
high
24.01%.
More
importantly,
demonstrates
excellent
stability,
retaining
88%
its
initial
PCE
maximum
point
tracking
measurement
(under
100
mW
cm
–2
white
light
illumination
≈55
°C
temperature,
N
atmosphere)
after
1000
h.
Advanced Energy Materials,
Journal Year:
2022,
Volume and Issue:
13(33)
Published: July 14, 2022
Abstract
Organic–inorganic
hybrid
perovskite
solar
cells
(PSCs)
are
regarded
as
a
promising
next‐generation
photovoltaic
technology.
However,
poor
device
stability
limits
their
commercialization.
Carbon‐based
inorganic
PSCs
(C‐IPSCs)
can
meet
challenge
owing
to
the
absence
of
organic
components.
Meanwhile,
hydrophobic
carbon
materials
hole
transport
layers
and
back
electrodes
simplify
fabrication
process,
decrease
costs,
protect
devices
from
moisture
erosion.
Since
first
attempt
for
C‐IPSCs
in
2016,
series
strategies
have
been
proposed
improve
performance,
including
technique
optimization,
solvent
engineering,
composition
interface
charge
layer
so
on,
power
conversion
efficiency
rapidly
increased
initial
5%
exceeding
15%.
In
this
review,
recent
progress
is
summarized,
existing
challenges
field
discussed,
followed
by
prospect
future
development.