Advanced Materials,
Год журнала:
2024,
Номер
36(45)
Опубликована: Сен. 18, 2024
Abstract
The
compatibility
of
perovskite
and
organic
photovoltaic
materials
in
solution
processing
provides
a
significant
advantage
the
fabrication
high‐efficiency
perovskite/organic
tandem
solar
cells.
However,
additional
recombination
losses
can
occur
during
exciton
dissociation
materials,
leading
to
energy
near‐infrared
region
devices.
Consequently,
ternary
rear
subcell
is
designed
containing
two
narrow‐bandgap
non‐fullerene
acceptors
enhance
absorption
light.
Simultaneously,
unique
diffusion‐controlled
growth
technique
adopted
optimize
morphology
active
layer,
thereby
improving
efficiency.
This
innovation
not
only
broadens
range
light
but
also
facilitates
generation
effective
excitons.
Owing
these
technological
improvements,
power
conversion
efficiency
(PCE)
cells
increased
19.2%.
Furthermore,
wide‐bandgap
front
integrated
with
develop
cell.
reduction
loss,
PCE
this
device
significantly
improved,
reaching
24.5%.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(45)
Опубликована: Июль 24, 2024
Abstract
We
report
a
highly
crystalline
self‐assembled
multilayer
(SAMUL)
that
is
fundamentally
different
from
the
conventional
monolayer
or
disordered
bilayer
used
for
hole‐extraction
in
inverted
perovskite
solar
cells
(PSCs).
The
SAMUL
can
be
easily
formed
on
ITO
substrate
to
establish
better
surface
coverage
enhance
performance
and
stability
of
PSCs.
A
detailed
structure‐property‐performance
relationship
molecules
established
through
systematic
study
their
crystallinity,
molecular
packing,
hole‐transporting
properties.
These
SAMULs
are
rationally
optimized
by
varying
structures
deposition
methods
thermal
evaporation
spin‐coating
fabricating
CbzNaphPPA‐based
was
chosen
PSCs
due
it
exhibiting
highest
crystallinity
hole
mobility
which
derived
ordered
H‐aggregation.
This
resulted
remarkably
high
fill
factor
86.45
%,
enables
very
impressive
power
conversion
efficiency
(PCE)
26.07
%
achieved
along
with
excellent
device
(94
its
initial
PCE
retained
after
continuous
operation
1200
h
under
1‐sun
irradiation
at
maximum
point
65
°C).
Additionally,
record‐high
23.50
could
adopting
thermally
evaporated
SAMUL.
greatly
simplifies
broadens
scope
SAM
large‐area
devices
diverse
substrates.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
Designing
and
developing
novel
photochromic
materials
with
additional
functions
such
as
photothermal
conversion
photocatalysis
are
challenging
but
meaningful
objectives.
Crystalline
naphthalenediimide
(NDI)-based
hybrids
an
attractive
class
of
multifunctional
fast-response
photoinduced
electron
transfer
charge
separation
properties.
They
promising
photocatalysts.
Herein,
a
hybrid
material,
EuPMo11O39(L)1.5(H2O)2]·DMA
(EuMo-NDI)
(L
=
N,N'-di(1-oxido-4-pyridyl)-1,4,5,8-naphthalenediimide),
was
prepared
solvothermal
method,
integrating
photoactive
NDI
derivative
Eu-substituted
polyoxometalate.
EuMo-NDI
exhibits
0D
structure
sensitive
behavior
under
UV-vis
light
irradiation
due
to
between
its
components.
The
colored
sample
demonstrated
efficient
near-infrared
the
strong
absorption
photogenerated
radical
anion
NDI•-
mixed
valence
heteropoly
blue
in
region.
Meanwhile,
is
easily
excited
presence
donors
form
species,
which
can
activate
inert
O2
superoxide
O2•-.
exhibited
high
photocatalytic
activity
for
C-3
thiocyanation
indoles
mild
conditions
using
white
driving
force.
This
work
provides
effective
avenue
design
photocatalysts
platforms.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Abstract
The
interfaces
of
each
layer
in
perovskite
solar
cells
(PSCs)
have
a
significant
impact
on
the
charge
transfer
and
recombination.
Especially,
interface
between
hole
transport
(HTL)
p‐i‐n
type
PSCs
significantly
affects
contact
characteristics
HTL
perovskite,
hindering
further
improvements
performance
stability.
Herein,
small
molecule
9‐Fluorenylmethoxycarbonyl
chloride
(9‐YT)
is
introduced
as
bridge
for
PSCs,
which
enhances
interaction
self‐assembly
molecules
(SAMs)
perovskite.
conjugated
backbone
9‐YT
can
interact
with
SAM
(MeO‐2PACz)
by
π–π
stacking
reaction.
Moreover,
also
improves
interfacial
through
strong
interactions
where
carbonyl
groups
Cl
atoms
uncoordinated
Pb
2+
layer.
incorporation
demonstrated
to
markedly
enhance
extraction
at
perovskite/hole
interface,
optimize
energy
level
alignment,
mitigate
recombination,
passivate
defects
Finally,
device
treated
achieves
power
conversion
efficiency
(PCE)
24.82%.
At
same
time,
still
maintain
92.6%
original
PCE
after
long‐term
stability
test
1200
h.
Journal of Semiconductors,
Год журнала:
2025,
Номер
46(1), С. 011602 - 011602
Опубликована: Янв. 1, 2025
Abstract
Infrared
optoelectronic
sensing
is
the
core
of
many
critical
applications
such
as
night
vision,
health
and
medication,
military,
space
exploration,
etc.
Further
including
mechanical
flexibility
a
new
dimension
enables
novel
features
adaptability
conformability,
promising
for
developing
next-generation
sensory
toward
reduced
size,
weight,
price,
power
consumption,
enhanced
performance
(SWaP
3
).
However,
in
this
emerging
research
frontier,
challenges
persist
simultaneously
achieving
high
infrared
response
good
deformability
devices
integrated
systems.
Therefore,
we
perform
comprehensive
review
design
strategies
insights
flexible
sensors,
fundamentals
photodetectors,
selection
materials
device
architectures,
fabrication
techniques
strategies,
discussion
architectural
functional
integration
towards
wearable
optoelectronics
advanced
image
sensing.
Finally,
article
offers
into
future
directions
to
practically
realize
ultra-high
smart
sensors
enabled
by
infrared-sensitive
materials,
covering
development
micro-/nanofabrication.
Benchmarks
scaling
these
across
fabrication,
performance,
are
presented,
alongside
perspectives
on
potential
medication
health,
biomimetic
neuromorphic
systems,
Energy & Environmental Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Herein,
we
have
proposed
a
novel
tridentate
chelation
strategy
to
manage
the
excessive
amount
of
unreacted
PbI
2
in
perovskite
films,
achieving
inverted
PSC
device
with
PCE
25.66%
by
sequential
deposition
method.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
Abstract
The
inverted
perovskite
solar
cells
based
on
hole‐selective
self‐assembled
molecules
(SAMs)
have
been
setting
new
efficiency
benchmarks.
However,
the
agglomeration
of
SAM
and
lack
defect
passivation
ability
are
two
critical
issues
that
need
to
be
addressed.
It
is
demonstrated
by
blending
co‐adsorbent
4‐phosphoricbutyl
ammonium
iodide
(4PBAI)
with
4‐(7H‐dibenzo[c,g]carbazole‐7‐yl)
phosphonic
acid
(4PADCB),
enhanced
homogeneity,
conductivity,
better
energy
levels
can
realized
for
co‐SAM
contact.
functional
group
4PBAI
also
effectively
passivate
defects
at
buried
interface
template
high‐quality
growth.
Assisted
synergistic
top
modification,
power
conversion
optimized
device
reaches
24.96%,
which
retain
95%
initial
after
1200
h
in
ambient
unencapsulated
device.
findings
suggest
a
well‐designed
address
limitations
further
enhance
performance
cutting‐edge
SAMs.
