Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
Abstract
Hole
transport
materials
(HTMs)
play
a
crucial
role
in
realizing
efficient
perovskite
solar
cells
(PSCs),
as
they
improve
affinity
and
passivation,
charge
extraction,
ultimately
the
performance
of
PSCs.
In
this
study,
manipulating
conjugation
extension
poly(triaryl
amine)
(PTAA)
derivatives
by
cyclic
alkoxylation
side
benzene
groups
with
benzo[
d
][1,3]dioxole
(PTAAO5)
dihydrobenzo[
b
][1,4]dioxine
(PTAAO6)
is
focused
on.
PTAAO6
exhibits
extended
π‐conjugation
within
groups,
leading
to
improved
energy
level
alignment
enhanced
carrier
compared
both
PTAA
PTAAO5.
This
strong
also
promotes
interactions
between
perovskite,
resulting
larger
grain
sizes
reduced
defects
layer.
Therefore,
PSCs
incorporating
HTM
achieve
an
outstanding
power
conversion
efficiency
25.19%,
along
excellent
operational
stability,
retaining
90.2%
initial
PCE
after
1000
h
under
ISOS‐L‐3
testing
conditions.
These
results
underscore
promising
approach
for
tailoring
polymer
HTMs
provide
insights
designing
high‐performance
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Abstract
This
5th
annual
“
Emerging
PV
Report”
highlights
the
latest
advancements
in
performance
of
emerging
photovoltaic
(e‐PV)
devices
across
various
e‐PV
research
areas,
as
documented
peer‐reviewed
articles
published
since
August
2023.
Updated
graphs,
tables,
and
analyses
are
provided,
showcasing
several
key
parameters,
including
power
conversion
efficiency,
open‐circuit
voltage,
short‐circuit
current,
fill
factor,
light
utilization
stability
test
energy
yield.
These
parameters
presented
functions
bandgap
average
visible
transmittance
for
each
technology
application
contextualized
using
benchmarks
such
detailed
balance
efficiency
limit.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 18, 2024
Abstract
Simplifying
the
manufacturing
processes
of
multilayered
high‐performance
perovskite
solar
cells
(PSCs)
is
yet
vital
importance
for
their
cost‐effective
production.
Herein,
an
in
situ
blending
strategy
presented
co‐deposition
electron
transport
layer
(ETL)
and
absorber
by
incorporating
(3‐(7‐butyl‐1,3,6,8‐tetraoxo‐3,6,7,8‐tetrahydrobenzo‐
[
lmn
][3,8]phenanthrolin‐2(1
H
)‐yl)propyl)phosphonic
acid
(NDP)
into
precursor
solutions.
The
phosphonic
acid‐like
anchoring
group
coupled
with
its
large
molecular
size
drives
migration
NDP
toward
indium
tin
oxide
(ITO)
surface
to
form
a
distinct
ETL
during
film
forming.
This
circumvents
critical
wetting
issue
simultaneously
improves
interfacial
charge
collection
efficiencies.
Consequently,
n‐i‐p
PSCs
based
on
blended
achieve
champion
power
conversion
efficiency
(PCE)
24.01%,
which
one
highest
values
using
organic
ETLs.
performance
notably
higher
than
that
ETL‐free
(21.19%)
independently
spin‐coated
(21.42%)
counterparts.
More
encouragingly,
dramatically
enhances
device
stability
under
harsh
conditions
retaining
over
90%
initial
efficiencies
after
250
h
100
°C
or
65%
humidity
storage.
Moreover,
this
universally
adaptable
various
compositions,
architectures,
materials
(ETMs),
showing
great
potential
applications
diverse
optoelectronic
devices.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(47)
Published: Aug. 6, 2024
Abstract
Hole‐transporting
material
(HTMs)
are
crucial
for
obtaining
the
stability
and
high
efficiency
of
perovskite
solar
cells
(PSCs).
However,
current
state‐of‐the‐art
n‐i‐p
PSCs
relied
on
use
2,2′,7,7′‐tetrakis(N,N‐di‐
p
‐methoxyphenylamine)‐9,9′‐spirobifluorene
(spiro‐OMeTAD)
exhibit
inferior
intrinsic
ambient
due
to
‐dopant
hydrophilic
Li‐TFSI
additive.
In
this
study,
a
new
spiro‐type
HTM
with
critical
quasi‐planar
core
(
Z‐W‐03
)
is
developed
improve
both
thermal
PSCs.
The
results
suggest
that
planar
carbazole
structure
effectively
passivates
trap
states
compared
triphenylamine
propeller‐like
conformation
in
spiro‐OMeTAD.
This
passivation
effect
leads
shallower
when
HTMs
interact
Pb‐dimer.
Consequently,
device
using
achieves
higher
V
oc
1.178
spiro‐OMeTAD's
1.155
V,
resulting
an
enhanced
24.02
%.
addition,
double‐column
π
–
stacking
hole
mobility
(~10
−4
cm
2
−1
s
even
without
‐dopant.
Moreover,
surface
interface
modified,
undoped
can
achieve
nearly
23
Compared
spiro‐OMeTAD,
those
under
N
conditions.
superior
performance
attributed
presence
multiple
CH/π
intermolecular
.
π–π
contacts
hopping
transport.
Therefore,
it
imperative
focus
further
molecular
design
optimization
incorporating
cores
moieties
commercialization
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(9), P. 779 - 779
Published: April 30, 2024
Perovskite
solar
cells
(PSCs)
have
attracted
much
attention
due
to
their
low
cost,
high
efficiency,
and
solution
processability.
With
the
development
of
various
materials
in
perovskite
cells,
self-assembled
monolayers
(SAMs)
rapidly
become
an
important
factor
improving
power
conversion
efficiency
(PCE)
unique
physical
chemical
properties
better
energy
level
matching.
In
this
topical
review,
we
introduced
categories
molecules,
modulation
strategies,
characteristics
molecules.
addition,
focused
on
reviewing
application
molecules
explained
changes
that
bring
PSCs
by
introducing
mechanism
effect
Finally,
also
elaborated
challenges
currently
faced
provided
prospects
for
applications
other
optoelectronic
devices.
Physical Chemistry Chemical Physics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Quasi-two-dimensional
(Q-2D)
perovskite
solar
cells
have
garnered
significant
attention
due
to
their
unique
hydrophobic
organic
cations
and
commendable
stability.
Self-assembled
monolayers
(SAMs)
have
been
widely
applied
to
perovskite
solar
cells
(PSCs)
due
their
transparency,
tunability,
selectivity,
and
diversity.
While
numerous
studies
focused
on
synthesizing
various
new
types
of
SAMs
enhance
charge
transport,
there
remains
a
need
for
further
research
reducing
clusters
improving
the
film
coverage.
Achieving
uniform
ensuring
intimate
contact
with
are
processes
that
require
deeper
investigation.
In
this
study,
we
employ
additive
engineering
introduce
micromolecule,
4-mercaptophenylacetic
acid
(4MA),
into
[4-(3,6-diphenyl-9H-carbazol-9-yl)
butyl]
phosphonic
(Ph-4PACz).
The
incorporation
4MA
can
not
only
prevent
aggregation
Ph-4PACz
through
competitive
mechanism,
leading
improved
coverage
uniformity,
but
also
passivate
layer
reduce
recombination
in
PSCs.
As
result,
more
homogeneous
higher-quality
films
achieved
both
surface
bottom
layer.
Moreover,
optimizes
alignment
energy
band
enhances
carrier
transfer.
These
combined
effects
contribute
high
power
conversion
efficiency
23.8%
methylammonium-free
Our
study
demonstrates
potential
presents
method
producing
SAMs,
which
is
highly
advantageous
industrial
applications.
