Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(31), С. 20425 - 20436
Опубликована: Янв. 1, 2024
The
excellent
detection
performance
of
photodetector
is
realized
by
adjusting
the
energy
band
arrangement
at
interface
between
perovskite
and
electrode.
optical
response
mechanism
beyond
gap
limit
explained.
Energy Materials and Devices,
Год журнала:
2024,
Номер
2(1), С. 9370018 - 9370018
Опубликована: Фев. 2, 2024
Metal
halide
perovskite
solar
cells
(PSCs)
are
one
of
the
most
promising
photovoltaic
devices.
Over
time,
many
strategies
have
been
adopted
to
improve
PSC
efficiency,
and
certified
efficiency
has
reached
26.1%.
However,
only
a
few
research
groups
fabricated
PSCs
with
an
>25%,
indicating
that
achieving
this
remains
uncommon.
To
develop
industry,
outstanding
talent
must
be
reserved
latest
technologies.
Herein,
we
summarize
recent
developments
in
high-efficiency
(>25%)
highlight
their
effective
crystal
regulation,
interface
passivation,
component
layer
structural
design.
Finally,
propose
perspectives
based
on
current
further
enhance
promote
commercialization
process
PSCs.
Abstract
Inverted
perovskite
solar
cells
(PSCs)
have
become
a
current
research
hotspot
due
to
their
advantages
such
as
low‐temperature
preparation,
low
hysteresis,
and
compatibility
with
stacked
other
cells.
NiO
x
,
metal
oxide
hole
transport
layer
material,
is
widely
used
in
inverted
PSCs.
However,
challenges
high
defect
density,
intrinsic
conductivity,
unfavorable
valence
band
mismatch
at
the
/perovskite
interface
hinder
further
improvement
of
device
performance.
Therefore,
enhancing
buried
between
layers
crucial
for
optimizing
This
review
systematically
categorizes
materials
based
on
types,
including
organic
small
molecules,
self‐assembled
monolayers
(SAMs),
polymers,
salts.
Additionally,
it
incorporates
strategies,
introduction
low‐dimensional
materials,
doping,
advancements
deposition
technology.
By
reviewing
technologies
past
2
years,
this
article
aims
provide
insights
achieve
more
efficient
stable
‐based
Finally,
we
also
discuss
future
directions
challenges.
ACS Nano,
Год журнала:
2024,
Номер
18(16), С. 10688 - 10725
Опубликована: Апрель 11, 2024
Metal-halide
perovskite
solar
cells
(PSCs),
an
emerging
technology
for
transforming
energy
into
a
clean
source
of
electricity,
have
reached
efficiency
levels
comparable
to
those
commercial
silicon
cells.
Compared
with
other
types
PSCs,
inverted
(IPSCs)
shown
promise
regard
commercialization
due
their
facile
fabrication
and
excellent
optoelectronic
properties.
The
interlayer
interfaces
play
important
role
in
the
performance
cells,
not
only
affecting
charge
transfer
transport,
but
also
acting
as
barrier
against
oxygen
moisture
permeation.
Herein,
we
describe
summarize
last
three
years
studies
that
advantages
interface
engineering-based
advances
IPSCs.
This
review
includes
brief
introduction
structure
working
principle
IPSCs,
analyzes
how
affect
IPSC
devices
from
perspective
photovoltaic
device
lifetime.
In
addition,
comprehensive
summary
various
engineering
approaches
solving
these
problems
challenges
including
use
interlayers,
modification,
defect
passivation,
others,
is
summarized.
Moreover,
based
upon
current
developments
breakthroughs,
fundamental
perspectives
on
future
pathways
are
provided
innovation
design
next-generation
Advanced Materials,
Год журнала:
2024,
Номер
36(33)
Опубликована: Июнь 17, 2024
Carbon-based
perovskite
solar
cells
(C-PSCs)
have
the
advantages
of
low-cost
and
high-stability,
but
their
photovoltaic
performance
is
limited
by
severe
defect-induced
recombination
low
hole
extraction
efficiency.
1D
proven
to
effectively
passivate
defects
on
surface,
therefore
reducing
non-radiative
loss.
However,
unsuitable
energy
level
most
renders
an
undesired
downward
band
bending
for
3D
perovskite,
resulting
in
a
high
barrier
reduced
Therefore,
rational
design
selection
perovskites
as
modifiers
are
essential
balancing
defect
passivation
extraction.
In
this
work,
based
simulation
calculations,
thiocholine
iodide
(TchI)
selected
prepare
with
work
function
then
constructs
TchPbI
The Journal of Physical Chemistry Letters,
Год журнала:
2024,
Номер
15(9), С. 2359 - 2368
Опубликована: Фев. 23, 2024
Lead-free
perovskites
are
considered
to
be
candidates
for
next-generation
photodetectors,
because
of
their
excellent
charge
carrier
transport
properties
and
low
toxicity.
However,
application
in
integrated
circuits
is
hindered
by
inadequate
performance
size
restrictions.
To
aim
at
the
development
lead-free
perovskite-integrated
optoelectronic
devices,
a
CsAg2I3/silicon
(CAI/Si)
heterojunction
presented
this
work
using
spatial
confinement
growth
method,
where
in-plane
CAI
microbelts
with
high-quality
single-crystal
characteristics
primarily
dependent
on
concentration
surrounding
precursor
solution.
The
fabricated
photodetectors
based
CAI/Si
heterojunctions
exhibit
broad-spectrum
detection
capability
ultraviolet–visible–near-infrared
(UV-vis-NIR)
range.
In
addition,
show
good
photoelectric
performance,
including
maximum
responsivity
48.5
mA/W
detectivity
1.13
×
1011
Jones,
respectively.
Besides,
have
rapid
response
6.5/224
μs
air
stability
over
2
months.
This
contributes
new
idea
design
devices
high
integration
density.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(26)
Опубликована: Апрель 23, 2024
The
inefficient
conversion
of
lead
iodide
to
perovskite
has
become
one
the
major
challenges
in
further
improving
performance
solar
cells
fabricated
by
two-step
method.
Herein,
discontinuous
layer
realized
introduction
a
polyfluorinated
organic
diammonium
salt,
octafluoro-([1,1'-biphenyl]-4,4'-diyl)-dimethanaminium
(OFPP)
which
does
not
form
low-dimensional
perovskites,
can
enable
satisfactory
into
perovskite,
leading
meliorated
crystallinity
and
enlarged
grains
OFPP
modulated
(OFPP-PVK)
film.
Combined
with
effective
defect
passivation,
OFPP-PVK
films
show
enhanced
charge
mobility
suppressed
recombination.
Accordingly,
OFPP-based
exhibit
champion
efficiency
24.76
%
better
device
stability.
Moreover,
superior
21.04
was
achieved
large-area
module
(100
cm
Small Structures,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
Metal‐halide
perovskites
with
tunable
bandgaps
are
promising
semiconductors
in
heterojunction
engineering
for
high‐performance
terahertz
modulators.
However,
most
traditional
perovskite‐based
modulators
reported
so
far
difficult
to
simultaneously
achieve
both
large
modulation
depth
and
high
environmental
stability
a
simple
structure.
To
overcome
this
bottleneck,
herein,
the
Cs
0.25
MA
0.75
PbI
2
Br/MAPbI
3
/Si
dual‐heterojunction
modulator
is
fabricated
using
two‐step
spin‐coating
method.
In
device,
Br
film
formed
by
substituting
−
at
X‐site
+
A‐site
from
MAPbI
can
not
only
tailor
but
also
suppress
phase
segregation,
while
promote
accumulation
of
photon‐generated
electrons
Si
substrate.
Moreover,
maximum
THz
71%
0.42
THz.
Compared
Br/Si
or
samples,
be
increased
almost
100%.
After
continuous
operation
an
environment
70%
humidity
10
h,
device
still
operate
stably.
This
study
illuminates
potential
devices,
as
well
offers
new
strategies
improve
perovskites.
Chemical Science,
Год журнала:
2024,
Номер
15(8), С. 2848 - 2856
Опубликована: Янв. 1, 2024
Crystal
engineering
of
metal
halide
hybrids
is
critical
to
investigate
their
structure-property
relationship
and
advance
photophysical
applications,
but
there
have
been
limited
efforts
employ
coordination
chemistry
precisely
control
the
dimensionality
sublattices.
Herein,
we
present
a
coordination-assembly
synthetic
strategy
developed
for
rational
modulation
lead
dimensionality,
realizing
transition
from
2D
3D
architectures.
This
manipulation
achieved
by
utilizing
three
organocarboxylates
featuring
identical
cyclohexane
backbone
unit.
Specifically,
1,4-cyclohexanedicarboxylate
1,2,4,5-cyclohexanetetracarboxylate
ligands
facilitate
formation
quasi-2D
layered
structures,
characterized
weakly
corrugated
strongly
layers,
respectively.
Importantly,
introduction
1,2,3,4,5,6-cyclohexanehexacarboxylate
ligand
results
in
architectures
chloride/bromide
The
templated
affords
extended
wavelength
coverage
superior
carrier
transport
properties
compared
analogues.
both
halide-based
polymers
exhibit
high
aqueous
stability
over
wide
pH
range,
outperforming
conventional
ionic-bound
halides.
Notably,
chemically
stable
bromide
exhibits
efficient
photocatalytic
ethylbenzene
oxidation
with
conversion
rate
498
μmol
g