Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 30, 2024
Abstract
Organic
self‐assembled
molecules
(OSAMs)
based
hole‐transporting
materials
play
a
pivotal
role
in
achieving
highly
efficient
and
stable
inverted
perovskite
solar
cells
(IPSCs).
However,
the
reported
carbazol‐based
OSAMs
have
serious
drawbacks,
such
as
poor
wettability
for
solution
spreading
due
to
nonpolar
surface,
worse
matched
energy
arrangement
with
perovskite,
limited
molecular
species,
which
greatly
limit
device
performance.
To
address
above
problems,
novel
OSAM
[4‐(3,6‐glycol
monomethyl
ether‐9H‐carbazol‐9‐yl)
butyl]phosphonic
acid
(GM‐4PACz)
was
synthesized
material
by
introducing
glycol
ether
(GM)
side
chains
at
carbazolyl
unit.
GM
groups
enhance
surface
of
Indium
Tin
Oxide
(ITO)/SAM
substrate
facilitate
nucleation
growth
up
film,
suppress
cation
defects,
release
residual
stress
SAM/perovskite
interface,
evaluate
level
matching
perovskite.
Consequently,
GM‐4PACz
IPSC
achieves
champion
PCE
25.52
%,
respectable
open‐circuit
voltage
(
V
OC
)
1.21
V,
high
stability,
possessing
93.29
%
91.75
their
initial
efficiency
after
aging
air
2000
h
or
tracking
maximum
power
point
1000
h,
respectively.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(33)
Published: April 30, 2024
Abstract
Organic
self‐assembled
molecules
(OSAMs)
based
hole‐transporting
materials
play
a
pivotal
role
in
achieving
highly
efficient
and
stable
inverted
perovskite
solar
cells
(IPSCs).
However,
the
reported
carbazol‐based
OSAMs
have
serious
drawbacks,
such
as
poor
wettability
for
solution
spreading
due
to
nonpolar
surface,
worse
matched
energy
arrangement
with
perovskite,
limited
molecular
species,
which
greatly
limit
device
performance.
To
address
above
problems,
novel
OSAM
[4‐(3,6‐glycol
monomethyl
ether‐9H‐carbazol‐9‐yl)
butyl]phosphonic
acid
(GM‐4PACz)
was
synthesized
material
by
introducing
glycol
ether
(GM)
side
chains
at
carbazolyl
unit.
GM
groups
enhance
surface
of
Indium
Tin
Oxide
(ITO)/SAM
substrate
facilitate
nucleation
growth
up
film,
suppress
cation
defects,
release
residual
stress
SAM/perovskite
interface,
evaluate
level
matching
perovskite.
Consequently,
GM‐4PACz
IPSC
achieves
champion
PCE
25.52
%,
respectable
open‐circuit
voltage
(
V
OC
)
1.21
V,
high
stability,
possessing
93.29
%
91.75
their
initial
efficiency
after
aging
air
2000
h
or
tracking
maximum
power
point
1000
h,
respectively.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(21)
Published: March 26, 2024
Abstract
Developing
an
additive
to
effectively
regulate
the
perovskite
crystallization
kinetics
for
optimized
optoelectronic
properties
of
film
plays
a
vital
role
in
obtaining
high
efficiency
and
stable
solar
cells
(PSCs).
Herein,
new
is
designed
directly
synthesized
precursor
solution
by
utilizing
addition
reaction
between
but‐3‐yn‐1‐amine
hydrochloride
(BAH)
formamidinium
iodide.
It
found
that
its
product
may
control
intermediate
phase
regulating
nucleation,
leading
advantageous
2D
induce
growth
along
preferred
[001]
orientation
with
not
only
released
lattice
strain
but
also
strong
interaction
passivate
surface
defects.
By
taking
advantage
above
synergistic
effects,
PSC
delivers
25.19%
open‐circuit
voltage
(
V
OC
)
1.22
V.
Additionally,
devices
demonstrate
good
stability,
remaining
over
90%
their
initial
efficiencies
under
ambient
atmosphere
conditions
60
days,
temperature
85
°C
200
h,
or
maximum
power
point
tracking
500
h.
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.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(19), P. 7234 - 7246
Published: Jan. 1, 2024
To
solve
the
problem
of
deep-level
surface
defects,
lead
thiocyanate
is
utilized
in
FACsPbI
3
absorber.
Additionally,
a
novel
Eu-MOF
was
integrated
into
buffer
layer
to
regulate
band
alignment
while
impeding
hole
backflow
at
back
cathode.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 30, 2024
Lately,
carbazole-based
self-assembled
monolayers
(SAMs)
are
widely
employed
as
effective
hole-selective
layers
(HSLs)
in
inverted
perovskite
solar
cells
(PSCs).
Nevertheless,
these
SAMs
tend
to
aggregate
solvents
due
their
amphiphilic
nature,
hindering
the
formation
of
a
monolayer
on
ITO
substrate
and
impeding
passivation
deep
defects
perovskites.
In
this
study,
series
new
including
DPA-B-PY,
CBZ-B-PY,
POZ-B-PY,
POZ-PY,
POZ-T-PY,
POZ-BT-PY
synthesized,
which
interfacial
repairers
coated
atop
CNph
SAM
form
robust
SAM@pseudo-planar
HSL
efficient
PSCs.
The
strategy
enables
well-aligned
interface
with
perovskites,
synergistically
promoting
crystal
growth,
improving
charge
extraction/transport,
minimizing
nonradiative
recombination
loss.
As
result,
POZ-BT-PY-modified
PSC
realizes
an
impressively
enhanced
efficiency
up
24.45%
together
fill
factor
82.63%.
Furthermore,
wide
bandgap
achieving
over
19%
efficiency.
Upon
treatment
monolayer,
also
demonstrates
non-fullerene
organic
photovoltaics
(OPVs)
based
PM6:BTP-eC9
blend,
achieves
17.07%.
Importantly,
modified
PSCs
OPVs
all
show
remarkably
improved
stability
under
various
testing
conditions
compared
control
counterparts.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(46)
Published: Aug. 8, 2024
Abstract
Hole‐collecting
monolayers
have
greatly
advanced
the
development
of
positive‐intrinsic‐negative
perovskite
solar
cells
(p‐i‐n
PSCs).
To
date,
however,
most
anchoring
groups
in
reported
monolayer
materials
are
designed
to
bind
transparent
conductive
oxide
(TCO)
surface,
resulting
less
availability
for
other
functions
such
as
tuning
wettability
surface.
In
this
work,
we
developed
two
anchorable
molecules,
4PATTI‐C3
and
4PATTI‐C4
,
by
employing
a
saddle‐like
indole‐fused
cyclooctatetraene
π‐core
with
four
phosphonic
acid
linked
through
propyl
or
butyl
chains.
Both
molecules
form
on
TCO
substrates.
Thanks
saddle
shape
skeleton,
were
found
point
upward,
hydrophilic
surfaces.
Compared
devices
using
hole‐collecting
monolayer,
‐based
exhibit
faster
hole‐collection
process,
leading
higher
power
conversion
efficiencies
up
21.7
%
21.4
mini‐cell
(0.1
cm
2
)
mini‐module
(1.62
),
respectively,
together
good
operational
stability.
This
work
represents
how
structural
modification
multipodal
could
substantially
modulate
after
being
adsorbed
onto
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(22), P. 12983 - 13058
Published: Jan. 1, 2024
This
review
focuses
on
deciphering
the
structural
divergence
of
organic
molecular
hole
selective
materials
in
determining
photovoltaic
performance
and
stability
p-i-n
type
perovskite
solar
cell
devices.
