ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
17(9), P. 14269 - 14277
Published: Feb. 24, 2025
Inverted
perovskite
solar
cells
(PSCs)
have
achieved
great
development,
contributed
by
the
advance
of
self-assembled
monolayer
(SAM)
hole-transporting
layers
(HTLs)
due
to
their
distinctive
molecular
designability.
However,
SAM
HTLs
still
present
challenges
achieving
a
compact
and
ordered
surface,
resulting
in
vacancies
defects
at
interface
as
well
adversely
affecting
growth
perovskites.
In
this
work,
we
propose
micromolecule
postdeposition
process
design
HTL
form
high-quality
perovskites
achieve
highly
efficient
inverted
PSCs.
We
introduce
etidronic
acid
(EA)
fill
reduce
improve
growing
The
EA
can
anchor
substrate
through
P-OH
anchors,
occupying
left
MeO-4PACz,
simultaneously
create
interaction
with
P═O
C-OH
functional
groups.
effectively
fills
reduces
interface,
passivates
perovskites,
facilitates
carrier
transport.
Consequently,
champion
PCE
24.42%
is
for
target
PSCs,
which
much
higher
than
efficiency
(20.08%)
control.
This
research
provides
guided
widely
applicable
strategy
development
further
advances
performance
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(9), P. 3788 - 3788
Published: April 30, 2024
Solar
photovoltaic
(PV)
systems
stand
out
as
a
promising
solution
for
generating
clean,
carbon-free
energy.
However,
traditional
solar
panel
installations
often
require
extensive
land
resources,
which
could
become
scarce
the
population
grows.
To
address
this
challenge,
innovative
approaches
are
needed
to
maximize
power
generation
within
limited
spaces.
One
concept
involves
development
of
biological
tree-like
structures
housing
panels.
These
“solar
trees”
mimic
arrangement
branches
and
leaves
found
in
natural
trees,
following
patterns
akin
phyllotaxy,
correlates
with
Fibonacci
sequence
golden
ratio.
By
adopting
an
alternative
1:3
phyllotaxy
pattern,
three
panels
can
be
efficiently
arranged
along
stem
tree
structure,
each
rotated
at
120-degree
displacement.
Optimizing
performance
trees
requires
effective
maximum
point
tracking
(MPPT),
crucial
process
extracting
available
from
enhance
overall
efficiency.
In
study,
novel
metaheuristic
algorithm
called
horse
herd
optimization
(HHO)
is
employed
MPPT
applications.
Moreover,
manage
generated
power,
cascaded
buck–boost
converter
utilized.
This
capable
adjusting
DC
voltage
levels
match
system
requirements
single
topology.
The
implemented
using
MATLAB
embedded
Raspberry
Pi
Pico
controller,
facilitates
pulse-width
modulation
(PWM)
signals
control
converter.
Through
validation,
study
confirms
effectiveness
proposed
HHO
integrated
into
controller
optimizing
under
various
shading
conditions.
essence,
research
highlights
potential
coupled
advanced
algorithms
management
energy
utilization,
offering
sustainable
clean
resources.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 28, 2024
Abstract
The
non‐wetting
issue
of
the
self‐assembled
monolayer
(SAM)
layer
can
complicate
subsequent
perovskite
deposition
and
impact
device
efficiency.
This
study
addresses
this
challenge
using
a
dual
approach
involving
co‐self‐assembly
buffer
to
enhance
wettability
interfacial
contact
buried
film.
A
weakly
acidic
boronic
acid
derivative,
4‐N,
N‐dimethylbenzeneboronic
hydrochloride
(4NPBA),
is
used
co‐self‐assemble
with
regular
SAM
molecule
on
ITO
FAI
further
increased
film
coverage
89%.
interface
strategy—SAM‐4NPBA/FAI—results
in
flat
dense
interface.
optimized
demonstrates
high
fill
factor
88.35%,
power
conversion
efficiency
25.29%,
retains
over
99%
its
initial
after
500
h
maximum
point
testing.
Advanced Materials Interfaces,
Journal Year:
2024,
Volume and Issue:
11(21)
Published: May 11, 2024
Abstract
The
preparation
of
pristine
formamidinium
lead
tri‐iodide
(FAPbI
3
)
perovskite
films
for
solar
cells
applications
can
be
very
challenging
without
methylammonium
containing
additives.
pinhole‐rich
prepared
by
methylammonium‐free
approach
limit
the
performance
FAPbI
(PSCs).
This
work
proposes
a
recrystallization
method
employing
mixed
solvent
annealing
(MSA)
to
heal
pinholes
in
films.
tetramethylene
sulfoxide
vapor
is
demonstrated
most
effective
grains‐merging
and
pinhole
healing,
while
addition
secondary
anisole
significantly
improved
uniformity
TMSO
distribution.
PSCs
with
MSA
recrystallized
film
achieved
power
conversion
efficiencies
up
22.43%
16.54%
on
small
(0.105
cm
2
mini‐modules
(12.6
),
respectively,
showing
great
potential
upscaling
fabrication
photovoltaics
.
