Advanced Sensor and Energy Materials,
Journal Year:
2024,
Volume and Issue:
3(3), P. 100116 - 100116
Published: June 28, 2024
The
exploration
of
efficient
lead-free
perovskite
photoelectric
active
materials
to
develop
high-performance
photoelectrochemical
(PEC)
systems
in
aqueous
solution
is
crucial
expand
their
PEC
applications.
Herein,
we
successfully
constructed
a
platform
using
ligand-free
Cs2PdBr6
microcrystals
(MCs)
as
the
photoactive
substance.
MCs
showed
narrow
bandgap,
wide
absorption
range,
high
electronic
mobility
and
good
stability
solutions.
Particularly,
exhibited
an
excellent
photoresponse,
photocurrent
density
could
reach
98
μA/cm2
under
10.18
mW/cm2
light
irradiation
absence
other
electron
acceptors.
In
addition
extremely
range
response
wavelength,
pH
accelerated
interfacial
carrier
transfer,
demonstrated
significant
potential
photocathode
material
for
applications
sensors
optoelectronic
devices.
Therefore,
this
work
indicates
that
design
highly
way
solve
intrinsic
issues
material,
predicting
promising
strategy
performance
application
ambience.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(31)
Published: June 7, 2023
Due
to
their
excellent
thermal
stability
and
ideal
bandgap,
metal
halide
inorganic
perovskite
based
solar
cells
(PSCs)
with
inverted
structure
are
considered
as
an
choice
for
perovskite/silicon
tandem
cells.
However,
the
power
conversion
efficiency
(PCE)
of
still
lags
far
behind
that
conventional
n-i-p
PSCs
due
interfacial
energy
level
mismatch
high
nonradiative
charge
recombination.
Herein,
performance
is
significantly
improved
by
engineering
CsPbI3-x
Brx
films
2-mercapto-1-methylimidazole
(MMI).
It
found
mercapto
group
can
preferably
react
undercoordinated
Pb2+
from
forming
Pb-S
bonds,
which
appreciably
reduces
surface
trap
density.
Moreover,
MMI
modification
results
in
a
better
alignment
electron-transporting
material,
promoting
carrier
transfer
reducing
voltage
deficit.
The
above
combination
open-circuit
enhancement
120
mV,
yielding
champion
PCE
20.6%
0.09
cm2
area
17.3%
1
area.
Furthermore,
ambient,
operational
heat
stabilities
also
greatly
improved.
work
demonstrates
simple
but
effective
approach
fabricating
highly
efficient
stable
PSCs.
Nanotechnology,
Journal Year:
2024,
Volume and Issue:
35(24), P. 242001 - 242001
Published: March 11, 2024
Abstract
Flexible
photodetectors
(PDs)
have
garnered
increasing
attention
for
their
potential
applications
in
diverse
fields,
including
weather
monitoring,
smart
robotics,
textiles,
electronic
eyes,
wearable
biomedical
monitoring
devices,
and
so
on.
Notably,
perovskite
nanostructures
emerged
as
a
promising
material
flexible
PDs
due
to
distinctive
features,
such
large
optical
absorption
coefficient,
tunable
band
gap,
extended
photoluminescence
decay
time,
high
carrier
mobility,
low
defect
density,
long
exciton
diffusion
lengths,
strong
self-trapped
effect,
good
mechanical
flexibility,
facile
synthesis
methods.
In
this
review,
we
first
introduce
various
methods
elucidate
corresponding
electrical
properties,
encompassing
quantum
dots,
nanocrystals,
nanowires,
nanobelts,
nanosheets,
single-crystal
thin
films,
polycrystalline
nanostructured
arrays.
Furthermore,
the
working
mechanism
key
performance
parameters
of
optoelectronic
devices
are
summarized.
The
review
also
systematically
compiles
recent
advancements
based
on
perovskites.
Finally,
present
current
challenges
prospects
development
nanostructures-based
PDs.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(6)
Published: Nov. 28, 2023
Here,
a
facile
fabrication
approach
for
the
high-quality
1D
perovskite
triangular
nanowire
(TNW)
array
synthesis
through
space-confined
effect
is
reported.
A
soft
stamp
containing
linear
pattern
used
to
confine
MAPbX
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 12, 2025
Abstract
All‐inorganic
tin
(Sn)‐containing
perovskites
have
emerged
as
highly
promising
photovoltaic
materials
for
single‐junction
and
tandem
perovskite
solar
cells
(PSCs),
owing
to
their
reduced
toxicity,
optimal
narrow
bandgap,
superior
thermal
stability.
Since
initial
exploration
in
2012,
significant
advancements
been
achieved,
with
the
highest
efficiencies
of
devices
now
surpassing
17%
22%,
respectively.
Nevertheless,
intrinsic
challenges
associated
oxidation
susceptibility
Sn
2+
uncontrolled
crystallization
dynamics
impede
further
development.
Addressing
these
issues
necessitates
a
comprehensive
systematic
understanding
degradation
mechanisms
inherent
all‐inorganic
Sn‐containing
perovskites,
well
development
effective
mitigation
strategies.
This
review
provides
detailed
overview
research
progress
PSCs,
particular
focus
on
basic
properties
pathways
both
pristine
mixed
Sn‐Pb
perovskites.
Furthermore,
various
strategies
improve
efficiency
stability
PSCs
are
thoroughly
discussed.
Finally,
existing
perspectives
provided
improving
performance
eco‐friendly
PSCs.
Small,
Journal Year:
2024,
Volume and Issue:
20(48)
Published: Sept. 20, 2024
Abstract
The
advent
of
organic–inorganic
hybrid
metal
halide
perovskites
has
revolutionized
photovoltaics,
with
polycrystalline
thin
films
reaching
over
26%
efficiency
and
single‐crystal
perovskite
solar
cells
(IC‐PSCs)
demonstrating
≈24%.
However,
research
on
remains
limited,
leaving
a
crucial
gap
in
optimizing
energy
conversion.
Unlike
films,
which
suffer
from
high
defect
densities
instability,
offer
minimal
defects,
extended
carrier
lifetimes,
longer
diffusion
lengths,
making
them
ideal
for
high‐performance
optoelectronics
essential
understanding
material
behavior.
This
review
explores
the
advancements
potential
IC‐PSCs,
focusing
their
superior
efficiency,
stability,
role
overcoming
limitations
counterparts.
It
covers
device
architecture,
composition,
preparation
methodologies,
recent
breakthroughs,
emphasizing
importance
further
to
propel
IC‐PSCs
toward
commercial
viability
future
dominance
photovoltaic
technology.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(32), P. 21008 - 21015
Published: Jan. 1, 2024
Solvophobic
engineering
strategy
promotes
the
self-assembly
of
fluorinated
cations
into
micelles,
which
changes
crystallization
mode
and
thus
leads
to
formation
phase-pure
Ruddlesden–Popper
tin
halide
perovskites.
