NPG Asia Materials,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: May 5, 2023
Abstract
Perovskite
solar
cells
(PSCs)
have
attracted
much
attention
due
to
their
low-cost
fabrication
and
high
power
conversion
efficiency
(PCE).
However,
the
long-term
stability
issues
of
PSCs
remain
a
significant
bottleneck
impeding
commercialization.
Inverted
with
p-i-n
architecture
are
being
actively
researched
concurrent
good
decent
efficiency.
In
particular,
PCE
inverted
has
improved
significantly
in
recent
years
is
now
almost
approaching
that
n-i-p
PSCs.
This
review
summarizes
progress
development
high-efficiency
PSCs,
including
perovskite
compositions,
methods,
counter
electrode
materials
(CEMs).
Notably,
we
highlight
charge
transport
(CTMs)
effects
defect
passivation
strategies
on
performance
Finally,
discuss
remaining
perspectives
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(5), P. 2138 - 2204
Published: Feb. 29, 2024
Interfacial
engineering
has
long
been
a
vital
means
of
improving
thin-film
device
performance,
especially
for
organic
electronics,
perovskites,
and
hybrid
devices.
It
greatly
facilitates
the
fabrication
performance
solution-processed
devices,
including
field
effect
transistors
(OFETs),
solar
cells
(OSCs),
perovskite
(PVSCs),
light-emitting
diodes
(OLEDs).
However,
due
to
limitation
traditional
interfacial
materials,
further
progress
these
devices
is
hampered
particularly
in
terms
stability,
flexibility,
sensitivity.
The
deadlock
gradually
broken
through
development
self-assembled
monolayers
(SAMs),
which
possess
distinct
benefits
transparency,
diversity,
sensitivity,
selectivity,
surface
passivation
ability.
In
this
review,
we
first
showed
evolution
SAMs,
elucidating
their
working
mechanisms
structure–property
relationships
by
assessing
wide
range
SAM
materials
reported
date.
A
comprehensive
comparison
various
growth,
fabrication,
characterization
methods
was
presented
help
readers
interested
applying
works.
Moreover,
recent
design
applications
mainstream
electronic
OFETs,
OSCs,
PVSCs
OLEDs,
summarized.
Finally,
an
outlook
prospects
section
summarizes
major
challenges
SAMs
used
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(5), P. 2350 - 2387
Published: Jan. 1, 2024
Organic
solar
cells
(OSCs)
have
attracted
a
great
deal
of
attention
in
the
field
clean
energy
due
to
their
advantages
transparency,
flexibility,
low
cost
and
light
weight.
Introducing
them
market
enables
seamless
integration
into
buildings
windows,
while
also
supporting
wearable,
portable
electronics
internet-of-things
(IoT)
devices.
With
development
photovoltaic
materials
optimization
fabrication
technology,
power
conversion
efficiencies
(PCEs)
OSCs
rapidly
improved
now
exceed
20%.
However,
there
is
significant
lack
focus
on
material
stability
device
lifetime,
causing
severe
hindrance
commercial
applications.
In
this
review,
we
carefully
review
important
strategies
employed
improve
over
past
three
years
from
perspectives
design
engineering.
Furthermore,
analyze
discuss
current
progress
terms
air,
light,
thermal
mechanical
stability.
Finally,
propose
future
research
directions
overcome
challenges
achieving
highly
stable
OSCs.
We
expect
that
will
contribute
solving
problem
OSCs,
eventually
paving
way
for
applications
near
future.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(13), P. 7528 - 7539
Published: March 22, 2023
Hole-collecting
monolayers
have
drawn
attention
in
perovskite
solar
cell
research
due
to
their
ease
of
processing,
high
performance,
and
good
durability.
Since
molecules
the
hole-collecting
monolayer
are
typically
composed
functionalized
π-conjugated
structures,
hole
extraction
is
expected
be
more
efficient
when
π-cores
oriented
face-on
with
respect
adjacent
surfaces.
However,
strategies
for
reliably
controlling
molecular
orientation
remain
elusive.
In
this
work,
multiple
phosphonic
acid
anchoring
groups
were
used
control
a
series
triazatruxene
derivatives
chemisorbed
on
transparent
conducting
oxide
electrode
surface.
Using
infrared
reflection
absorption
spectroscopy
metastable
atom
electron
spectroscopy,
we
found
that
multipodal
align
surface,
while
monopodal
counterpart
adopts
tilted
configuration.
The
was
facilitate
extraction,
leading
inverted
cells
enhanced
stability
high-power
conversion
efficiencies
up
23.0%.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(8)
Published: Jan. 2, 2024
Abstract
The
efficiency
loss
caused
by
area
scaling
is
one
of
the
key
factors
hindering
industrial
development
perovskite
solar
cells.
energy
and
contact
issues
in
buried
interface
are
main
reasons.
Here,
a
new
self‐assembled
monolayer
(SAM),
Ph‐4PACz,
with
large
dipole
moment
(2.32
D)
obtained
.
It
found
that
Ph‐4PACz
high
polarity
can
improve
band
alignment
minimize
,
resulting
an
open‐circuit
voltage
(
V
oc
)
as
1.2
for
1.55
eV
perovskite.
However,
when
applied
to
large‐area
devices,
fill
factor
(FF)
still
suffered
from
significant
attenuation.
Therefore,
alumina
nanoparticles
(Al
2
O
3
‐NPs)
introduced
between
rough
FTO
substrate
further
flatness
conformal
film
almost
no
voids
interface,
thus
promoting
low
exciton
binding
energy,
fast
hot‐carrier
extraction
non‐radiative
recombination.
final
devices
achieved
small‐area
power
conversion
(PCE)
25.60%
(1
cm
PCE
24.61%
(certified
at
24.48%),
which
represents
highest
single
device
≥
1
area.
Additionally,
mini‐modules
stability
testing
also
carried
out
demonstrate
feasibility
commercialization.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(40)
Published: Aug. 19, 2023
Self-assembled
monolayers
(SAMs)
offer
the
advantage
of
facile
interfacial
modification,
leading
to
significant
improvements
in
device
performance.
In
this
study,
we
report
design
and
synthesis
a
new
series
carboxylic
acid-functionalized
porphyrin
derivatives,
namely
AC-1,
AC-3,
AC-5,
present,
for
first
time,
strategy
exploit
large
π-moiety
porphyrins
as
backbone
interfacing
indium
tin
oxide
(ITO)
electrode
perovskite
active
layer
an
inverted
solar
cell
(PSC)
configuration.
The
electron-rich
nature
facilitates
hole
transfer
formation
SAMs,
resulting
dense
surface
that
minimizes
defects.
Comprehensive
spectroscopic
dynamic
studies
demonstrate
double-anchored
AC-3
AC-5
enhance
SAMs
on
ITO,
passivate
layer,
function
conduits
facilitate
transfer,
thus
significantly
boosting
performance
PSCs.
champion
PSC
employing
SAM
achieves
impressive
efficiency
23.19
%
with
high
fill
factor
84.05
%.
This
work
presents
novel
molecular
engineering
functionalizing
tune
energy
levels,
dipoles,
packing
orientations
achieve
stable
efficient
Importantly,
our
comprehensive
investigation
has
unraveled
associated
mechanisms,
offering
valuable
insights
future
advancements
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 18, 2024
Abstract
Perovskite
solar
cells
(PSCs)
hold
significant
promise
as
the
next‐generation
materials
in
photovoltaic
markets,
owing
to
their
ability
achieve
impressive
power
conversion
efficiencies,
streamlined
fabrication
processes,
cost‐effective
manufacturing,
and
numerous
other
advantages.
The
utilization
of
self‐assembled
monolayer
(SAM)
molecules
has
proven
be
a
success
enhancing
device
efficiency
extending
stability.
This
review
highlights
dual
use
SAM
realm
PSCs,
which
can
not
only
serve
charge
transport
but
also
act
interfacial
modulators.
These
research
endeavors
encompass
wide
range
applications
for
various
both
n‐i‐p
p‐i‐n
structured
providing
deep
insight
into
underlying
mechanisms.
Furthermore,
this
proposes
current
challenges
future
investigations
materials.
timely
thorough
seeks
provide
direction
inspiration
efforts
dedicated
ongoing
incorporation
SAMs
field
perovskite
photovoltaics.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(10)
Published: Jan. 29, 2023
Abstract
The
self‐assembled
hole
transporting
molecules
(SAHTMs)
bearing
anchoring
groups
have
been
established
as
the
layers
(HTLs)
for
highly
efficient
p–i–n
perovskite
solar
cells
(PSCs),
yet
their
stability
and
engineering
at
molecular
level
remain
challenging.
A
topological
design
of
anisotropic
aligned
SAHTM‐based
HTLs
operationally
stable
PSCs
that
exhibit
exceptional
solar‐to‐electric
power
conversion
efficiencies
(PCEs)
is
demonstrated.
judiciously
designed
multifunctional
comprise
donor–acceptor
subunit
phosphonic
acid
group
anchoring,
realizing
face‐on
π‐stacking
parallel
to
transparent
conductive
oxide
substrate.
high
affinity
SAHTMs
multi‐crystalline
thin
film
benefits
passivating
buried
interface,
strengthening
interfacial
contact
while
facilitating
transfer.
Consequently,
PSC
devices
are
obtained
with
a
champion
PCE
23.24%
outstanding
operational
toward
various
environmental
factors
including
long‐term
full
sunlight
soaking
evaluated
temperatures.
Perovskite
modules
efficiency
approaching
20%
also
fabricated
an
active
device
area
above
17
cm
2
.
ACS Energy Letters,
Journal Year:
2024,
Volume and Issue:
9(4), P. 1487 - 1506
Published: March 12, 2024
Inverted
perovskite
solar
cells
(PSCs)
with
p-i-n
structure
have
recently
attracted
widespread
attention
owing
to
their
fast-growing
power
conversion
efficiency.
In
this
Review,
we
focus
on
the
progress
in
materials
that
contribute
improved
efficiency
of
inverted
PSCs,
including
hole
transport
self-assembled
monolayers
as
highlight,
electron
materials,
and
interface
modification
between
charge
layers
for
passivating
defects.
Then,
discuss
recent
advances
perovskites,
optimization
bandgap,
interfacial
band
engineering,
development
film
processing.
Finally,
point
out
challenges
future
perspectives
further
improving
stability
PSCs
hope
offering
suggestions
tackle
hindrance
commercial
applications.