Materials,
Год журнала:
2024,
Номер
17(20), С. 5135 - 5135
Опубликована: Окт. 21, 2024
Energy
generation
today
heavily
relies
on
the
field
of
photocatalysis,
with
many
conventional
energy
strategies
now
superseded
by
conversion
solar
into
chemical
or
thermal
for
a
variety
energy-related
applications.
Global
warming
has
pointed
to
urgent
necessity
moving
away
from
non-renewable
sources,
resulting
emphasis
creating
best
photocatalysts
effective
investigating
material
systems
and
combinations.
The
present
study
explores
influence
morphological
changes
photoelectrochemical
activity
zinc
oxide
nanostructures
exploiting
electrodeposition
capping
agents
control
growth
rates
different
ZnO
facets
obtain
well-defined
orientations.
A
nitrate
(Zn
(NO3)2)
bath
was
used
electrodeposit
an
indium
tin
glass
(ITO)
substrate
at
70
°C
applied
potential
−1.0
V.
Ethylenediamine
(EDA)
ammonium
fluoride
(NH4F)
were
added
as
bath.
Extensive
evaluation
characterization
(PEC)
capabilities
morphology-controlled
confirmed
that
altering
morphology
can
have
positive
impacts
PEC
properties.
Advanced Materials,
Год журнала:
2023,
Номер
36(6)
Опубликована: Ноя. 28, 2023
Abstract
Pure‐phase
α‐FAPbI
3
quantum
dots
(QDs)
are
the
focus
of
an
increasing
interest
in
photovoltaics
due
to
their
superior
ambient
stability,
large
absorption
coefficient,
and
long
charge‐carrier
lifetime.
However,
trap
states
induced
by
ligand‐exchange
process
limit
photovoltaic
performances.
Here,
a
simple
post
treatment
using
methylamine
thiocyanate
is
developed
reconstruct
FAPbI
‐QD
film
surface,
which
MAPbI
capping
layer
with
thickness
6.2
nm
formed
on
top.
This
planar
perovskite
heterojunction
leads
reduced
density
trap‐states,
decreased
band
gap,
facilitated
charge
carrier
transport.
As
result,
record
high
power
conversion
efficiency
(PCE)
16.23%
negligible
hysteresis
achieved
for
QD
solar
cell,
it
retains
over
90%
initial
PCE
after
being
stored
environment
1000
h.
Energies,
Год журнала:
2023,
Номер
16(18), С. 6498 - 6498
Опубликована: Сен. 8, 2023
Perovskite
solar
cells
are
an
emerging
technology
that
exploits
the
self-assembly
and
highly
tunable
bandgap
properties
of
perovskite
materials.
Because
their
low
manufacturing
cost,
thin
films
perovskites
have
attracted
enormous
interest
witnessed
great
progress.
The
power
conversion
efficiency
these
devices
has
improved
from
3.8%
to
25.8%,
which
is
a
significant
step
forward.
formulation
innovative
materials
with
proper
replacement
lead
in
essential
reduce
toxicity.
Here,
we
examine
difficulties
encountered
commercialization
devices,
such
as
material
structural
stability,
device
stability
under
high
temperature
humidity
conditions,
lifetime,
cost.
This
review
addresses
issues
engineering,
performance
against
harsh
environment,
cost-effectiveness,
recombination,
optical,
resistance
losses,
large-area
cell
module
issues,
cost
analysis,
reduction
strategy,
environmental
concerns,
important
for
widespread
acceptance
perovskite-based
devices.
applications
market
growth
prospects
also
studied.
In
summary,
believe
there
opportunity
research
high-performance,
long-lived
energy
applications.
Advanced Materials,
Год журнала:
2024,
Номер
36(31)
Опубликована: Май 21, 2024
Two-terminal
(2T)
perovskite-based
tandem
solar
cells
(TSCs)
arouse
burgeoning
interest
in
breaking
the
Shockley-Queisser
(S-Q)
limit
of
single-junction
by
combining
two
subcells
with
different
bandgaps.
However,
highest
certified
efficiency
2T
TSCs
(33.9%)
lags
behind
theoretical
(42-43%).
A
vital
challenge
limiting
development
is
transparent
recombination
layers/interconnecting
layers
(RLs)
design
between
subcells.
To
improve
performance
TSCs,
RLs
simultaneously
fulfill
optical
loss,
contact
resistance,
carrier
mobility,
stress
management,
and
conformal
coverage
requirements.
In
this
review,
definition,
functions,
requirements
are
presented.
The
insightful
characterization
methods
applicable
to
RLs,
which
inspiring
for
further
research
on
both
two-junction
multi-junction
also
highlighted.
Finally,
key
factors
that
currently
enhancement
future
directions
should
be
continuously
focused
summarized.
Nanomaterials,
Год журнала:
2024,
Номер
14(2), С. 214 - 214
Опубликована: Янв. 19, 2024
Perovskite
solar
cells
(PSCs)
have
been
significantly
improved
by
utilizing
an
inorganic
hole-transporting
layer
(HTL),
such
as
nickel
oxide.
Despite
the
promising
properties,
there
are
still
limitations
due
to
defects.
Recently,
research
on
self-assembled
monolayers
(SAMs)
is
being
actively
conducted,
which
shows
promise
in
reducing
defects
and
enhancing
device
performance.
In
this
study,
we
successfully
engineered
a
p-i-n
perovskite
cell
structure
HC-A1
HC-A4
molecules.
These
SAM
molecules
were
found
enhance
grain
morphology
uniformity
of
film,
critical
factors
determining
optical
properties
Notably,
demonstrated
superior
performance
its
distinct
hydrophilic
with
contact
angle
50.3°,
attributable
unique
functional
groups.
Overall,
HC-A4-applied
film
exhibited
efficient
carrier
extraction
attaining
lifetime
117.33
ns.
Furthermore,
contributed
performance,
achieving
highest
efficiency
20%
demonstrating
outstanding
thermal
stability
over
300
h.
Journal of Physics Condensed Matter,
Год журнала:
2025,
Номер
37(15), С. 151502 - 151502
Опубликована: Фев. 24, 2025
Over
the
past
decade,
perovskite
solar
cells
(PSCs)
have
experienced
a
rapid
development.
The
remarkable
increase
in
photoelectric
conversion
efficiency
demonstrates
great
promise
of
halide
perovskites
field
photovoltaics.
Despite
excellent
photovoltaic
performance,
further
efforts
are
needed
to
enhance
and
stability.
Interfacial
engineering
plays
crucial
role
enhancing
stability
PSCs,
enabling
champion
sustain
power
above
26%
for
over
1000
h.
As
powerful
theoretical
tool
characterizing
interfaces
first-principles
calculations
contributed
understanding
interfacial
properties
guiding
materials
design.
In
this
Perspective,
we
highlight
recent
progress
theoretically
profiling
between
other
materials,
focusing
on
effects
energy
band
alignment
electronic
structure
carrier
transport
at
interfaces.
These
help
reveal
atomic
interfaces,
provide
important
guidance
experimental
research
device
optimization.
We
also
analyze
potential
strategies
separation
discuss
challenges
accurate
modeling
which
will
understand
fundamental
physics
PSCs
guide
their
Indoor
photovoltaics
(IPV)
plays
a
critical
role
in
powering
low‐consumption
devices
within
the
rapidly
growing
Internet
of
Things
(IoT).
Perovskite
solar
cells
(PSCs)
have
demonstrated
impressive
indoor
power
conversion
efficiencies
(iPCEs)
exceeding
40%,
driven
by
advancements
bulk
and
surface
passivation
techniques.
These
approaches
mitigate
trap
states
recombination
losses,
significantly
enhancing
device
efficiency
long‐term
stability.
This
study
investigates
impact
on
PSC
performance
employing
iodide‐based
passivators—phenethylammonium
iodide
(PEAI),
octylammonium
(OAI),
guanidinium
(GUI)—alongside
Lewis
base
molecule
1,3‐bis(diphenylphosphino)propane
(DPPP),
which,
to
best
our
knowledge,
is
introduced
for
first
time
n‐i‐p
structured
PSCs.
SEM
XRD
analyses
revealed
that
DPPP‐passivated
samples
exhibited
superior
morphological
structural
stability
after
ambient
aging
compared
other
passivations.
Under
1000
Lx
LED
light
illumination,
achieved
an
iPCE
33.14%,
closely
approaching
highest
34.47%
obtained
with
PEAI.
Furthermore,
under
thermal
stress
(85°C)
T80
753
h.
highlights
layers
low
conditions,
paving
way
more
effective
strategies
advance
perovskite
materials
IPV
applications.
