Solar RRL,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 11, 2024
Wide‐bandgap
perovskite
solar
cells
(WBG‐PSCs)
are
pivotal
in
achieving
high‐performance
tandem
cells.
However,
their
power
conversion
efficiency
(PCE)
is
limited
by
the
losses
from
interfacial
charge
transfer
barrier
and
nonradiative
recombination.
In
this
investigation,
1,4‐bis(aminomethyl)benzene
(PDMA)
employed
as
a
defect
passivator
for
fabricating
methylammonium
(MA)‐free
(PSCs),
thus
effectively
mitigating
recombination
of
carriers.
Meanwhile,
PDMA
molecules
chemically
rinse
film
to
create
grooved
surface,
leading
increase
contact
area
between
electron
transport
layer
further
improve
transfer.
As
result,
PSCs
based
on
these
surface‐passivated
cleaned
films
present
champion
PCE
21.23%
(
E
g
=
1.68
eV)
compared
control
devices
with
18.23%,
while
maintaining
over
80%
after
800
h
storage
ambient
air.
This
study
presents
highly
effective
approach
one‐step
passivation
chemical
cleaning
wide‐bandgap
efficient
stable
cells,
offering
valuable
insights
future
research
field.
Interdisciplinary materials,
Journal Year:
2024,
Volume and Issue:
3(2), P. 203 - 244
Published: Feb. 23, 2024
Abstract
Self‐assembled
monolayers
(SAMs)
employed
in
inverted
perovskite
solar
cells
(PSCs)
have
achieved
groundbreaking
progress
device
efficiency
and
stability
for
both
single‐junction
tandem
configurations,
owing
to
their
distinctive
versatile
ability
manipulate
chemical
physical
interface
properties.
In
this
regard,
we
present
a
comprehensive
review
of
recent
research
advancements
concerning
SAMs
cells,
where
the
prevailing
challenges
future
development
prospects
applications
are
emphasized.
We
thoroughly
examine
mechanistic
roles
diverse
energy‐level
regulation,
modification,
defect
passivation,
charge
transportation.
This
is
by
understanding
how
interfacial
molecular
interactions
can
be
finely
tuned
mitigate
recombination
losses
PSCs.
Through
review,
aim
provide
valuable
insights
references
further
investigation
utilization
cells.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(19)
Published: Dec. 29, 2023
Abstract
The
passivation
of
perovskite
interfacial
defects
by
the
electron
transport
layer
(ETL)
has
emerged
as
an
effective
strategy
for
enhancing
performance
solar
cells
(PSCs).
Dithieno[2,3‐d:2′,3′‐d′]thieno[3,2‐b:3′,2′‐b′]dipyrrole
(DTPT)‐based
acceptor‐donor‐acceptor
(A–D–A)
molecules
composed
coplanar
heteroacene
electron‐donating
core
end‐capped
with
various
electron‐accepting
moieties
are
designed
and
examined
ETL
modifiers
PSCs.
Employing
PCBM:DTPTCY
results
in
defects,
facilitation
energy
alignment
at
ETL/perovskite
interface,
enhancement
carrier
efficiency.
optimized
blended
ETL‐based
Cs
0.18
FA
0.82
Pb(I
0.8
Br
0.2
)
3
p‐i‐n
PSC
exhibit
performances
37.2%
39.9%
under
TL84
3000K
LED
(1000
lux),
respectively.
DTPTCY‐based
device
demonstrates
remarkable
stability,
retaining
87%
its
initial
power
conversion
efficiency
(PCE)
after
30
days
storage
a
40%
relative
humidity
(RH)
ambient
air
environment
without
any
encapsulation,
surpassing
control
device,
which
retains
only
67%
original
PCE.
These
findings
underscore
potential
A–D–A‐type
molecule‐based
interface
modification
to
enhance
contact
properties,
ultimately
leading
high‐efficiency
stable
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Oct. 15, 2024
Wide-bandgap
(WBG)
perovskite
solar
cells
(PSCs)
are
employed
as
top
of
tandem
to
break
through
the
theoretical
limits
single-junction
photovoltaic
devices.
However,
WBG
PSCs
exhibit
severe
open-circuit
voltage
(V
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(2), P. 202 - 202
Published: Jan. 16, 2024
Perovskite/silicon
tandem
solar
cells
have
garnered
considerable
interest
due
to
their
potential
surpass
the
Shockley–Queisser
limit
of
single-junction
Si
cells.
The
rapidly
advanced
efficiencies
perovskite/silicon
benefit
from
significant
improvements
in
perovskite
technology.
Beginning
with
evolution
wide
bandgap
towards
two-terminal
(2T)
cells,
this
work
concentrates
on
component
engineering,
additives,
and
interface
modification
Furthermore,
advancements
2T
are
presented,
influence
central
interconnect
layer
cell
progression
is
emphasized.
Finally,
we
discuss
challenges
obstacles
associated
conducting
a
thorough
analysis
providing
prospect
for
future.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(23), P. 30239 - 30254
Published: May 29, 2024
We
introduce
thiazolo[5,4-d]thiazole
(TT)-based
derivatives
featuring
carbazole,
phenothiazine,
or
triphenylamine
donor
units
as
hole-selective
materials
to
enhance
the
performance
of
wide-bandgap
perovskite
solar
cells
(PSCs).
The
optoelectronic
properties
underwent
thorough
evaluation
and
were
substantially
fine-tuned
through
deliberate
molecular
design.
Time-of-flight
hole
mobility
TTs
ranged
from
4.33
×
10–5
1.63
10–3
cm2
V–1
s–1
(at
an
electric
field
1.6
105
V
cm–1).
Their
ionization
potentials
−4.93
−5.59
eV.
Using
density
functional
theory
(DFT)
calculations,
it
has
been
demonstrated
that
S0
→
S1
transitions
in
with
carbazolyl
ditert-butyl-phenothiazinyl
substituents
are
characterized
by
local
excitation
(LE).
Mixed
intramolecular
charge
transfer
(ICT)
LE
occurred
for
compounds
containing
ditert-butyl
carbazolyl-,
dimethoxy
alkoxy-substituted
triphenylamino
moieties.
selected
TT
used
preparation
layers
(HSL)
PSC
structure
glass/ITO/HSLs/Cs0.18FA0.82Pb(I0.8Br0.2)3/PEAI/PC61BM/BCP/Ag.
(TTP-DPA)
be
effective
material
HSL.
Its
layer
also
functioned
well
interlayer,
improving
surface
control
HSL_2PACz
(i.e.,
reducing
energy
2PACz
66.9
52.4
mN
m–1),
thus
enabling
precise
over
growth
level
alignment
carrier
extraction/transportation
at
hole-selecting
contact
PSCs.
2PACz/TTP-DPA-based
devices
showed
optimized
19.1
37.0%
under
1-sun
3000
K
LED
(1000
lx)
illuminations,
respectively.
These
values
represent
improvements
those
achieved
bare
2PACz-based
devices,
which
attained
efficiencies
17.4
32.2%,
findings
highlight
promising
potential
enhancement
The
p-i-n
type
perovskite
solar
cells
with
a
nickel
oxide
(NiOx)
hole
transport
layer
in
combination
self-assembled
monolayers
(SAMs)
have
high
power
conversion
efficiency
(PCE)
of
over
26%.
surface
properties
the
SAM
significant
impact
on
growth
and
crystallization
film.
In
meanwhile,
defects
formed
during
thermal
annealing
at
interface
would
act
as
charge
recombination
centers,
decreasing
device
performance
stability.
To
address
these
issues,
this
work
introduces
3,4,5-trifluorophenylboronic
acid
(3,4,5-3FPBA)
interfacial
modification
to
improve
buried
that
enable
better
With
3,4,5-3FPBA
layer,
based
composition
Cs0.05(FA0.98MA0.02)0.95Pb(I0.95Br0.05)3,
increased
from
21.99%
24.02%.
A
similar
improvement
was
observed
for
Cs0.05FA0.82MA0.13Pb(I0.85Br0.15)3,
where
21.87%
22.76%.
universality
has
been
confirmed.
addition,
resulting
showed
improved
stability,
maintaining
75%
its
initial
after
500
h
continuous
heating
85
°C
unencapsulated
devices.