Abstract
MXenes,
a
class
of
two‐dimensional
(2D)
transition
metal
carbides,
and
covalent
organic
frameworks
(COFs)
deliver
unique
structural
electrochemical
properties,
making
them
promising
candidates
for
energy
storage
conversion
applications.
MXenes
exhibit
excellent
conductivity
tunable
surface
chemistries,
whereas
the
COFs
provide
high
porosity
versatility.
Recent
advances
in
integrating
MXene‐COF
composites
have
revealed
their
potential
to
enhance
charge
transfer
storage/conversion
properties.
The
work
highlights
key
developments
integration,
offering
insights
into
applications
batteries
(Li‐ion,
K‐ion,
Na‐ion,
Li‐S),
supercapacitors,
electrocatalysis
(HER,
OER,
RR,
NRR,
ORRCO2),
while
also
addressing
current
challenges
future
directions
not
only
but
other
electronic
devices.
image
Advanced Materials Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 20, 2025
Abstract
Transparent
electrodes
with
high
conductivity
and
mechanical
robustness
are
essential
for
flexible
opto‐electronic
applications.
Indium
tin
oxide
(ITO)
single
layers
have
long
been
considered
as
unsuitable
applications
due
to
their
brittleness.
Here,
it
is
shown
that
stability
can
be
substantially
enhanced
by
texturing
the
substrate.
First,
performance
of
ITO
ITO/Ag/ITO
stacks
on
polyethylene
terephthalate
(PET)
foils
evaluated
numerically
means
Haacke's
figure‐of‐merit.
Single
found
electrode
choice
a
near‐infrared
response
superior
transparency.
Following
this,
sheet
resistance
experimentally
investigated
textured
PET
upon
deformation
parallel
perpendicular
1D
texture
grating.
An
“accordion‐like”
grating
aspect
ratios
avoid
crack
formation
loss
in
ITO.
Simulations
prove
considerably
reduced
occurrence
stress
this
case.
It
further
demonstrated
increase
transmittance
haze.
The
optical
using
make
promising
candidates
response,
such
all‐perovskite
tandem
solar
cells,
thermal
sensors,
photodetectors.
Journal of Materials Chemistry A,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Solution-processed
top
electrodes
are
crucial
for
PSC
commercialization.
This
TOC
image
illustrates
solution-processed
commercial-scale
perovskite
photovoltaics.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 27, 2025
The
electron
transport
layer
(ETL)
of
tin
dioxide
(SnO2)
plays
a
pivotal
role
in
n-i-p
perovskite
solar
cells
(PSCs)
by
facilitating
the
extraction
photogenerated
electrons
and
blocking
holes.
However,
presence
oxygen
vacancies
SnO2
adversely
affects
quality
ETLs
impairs
properties,
reducing
performance
PSCs.
Here,
we
present
novel
interfacial
engineering
route
incorporating
an
exfoliated
two-dimensional
(2D)
metal-phosphorus-chalcogen
complex
SnPS3
nanosheets
into
ETL.
sulfur
atoms
fill
SnO2,
trap
state
density.
Meanwhile,
SnPS3-modified
exhibits
improved
energy
level
alignment
enhanced
electrical
conductivity.
As
result,
remarkable
efficiency
improvement
from
21.51
to
23.01%
was
observed,
accompanied
optimized
stability.
These
results
expand
application
scenarios
2D
complexes
provide
approach
tune
SnO2-based
interfaces
for
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 8, 2025
Abstract
The
regulation
of
buried
interface
is
crucial
for
high‐performance
wide‐bandgap
perovskite
solar
cells
(PSCs),
which
can
influence
the
interfacial
defects,
charge
transport,
and
crystallization
perovskites.
In
this
work,
a
facile
strategy
reported
inserting
multi‐functional
(Z)‐4‐Fluoro‐
N
′‐hydroxybenzimidamide
(4F‐HBM)
molecule
between
self‐assembled
monolayer
(SAM)
(WBG)
layer,
actively
regulating
crystal
growth
promoting
hole
extraction.
It
found
that
F
atoms
in
4F‐HBM
form
hydrogen
bond
with
SAM.
interacts
Pb
2+
perovskites,
effectively
reducing
defect
state
density
at
non‐radiative
recombination
losses
interface.
1.77‐eV
WBG
PSC
using
has
significantly
improved
power
conversion
efficiency
20.09%
high
fill
factor
84.71%,
higher
than
those
control
device
(18.47%
82.53%,
respectively).
maintain
85%
its
original
after
821
h
maximum
point
tracking,
showing
stability.
Four‐terminal
all‐perovskite
tandem
by
combining
such
semitransparent
subcell
1.25
eV
low‐bandgap
obtains
PCE
28.71%,
among
highest
efficiencies
four‐terminal
to
date.
work
offers
promising
enhance
contact
passivation
perovskite‐based
devices.
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 13, 2025
Small-molecule
organic
semiconductors
have
demonstrated
significant
potential
for
application
in
hole-transporting
materials
(HTMs)
perovskite
solar
cells
(PSCs),
thanks
to
their
high
reproducibility
and
convenient
synthesis
routes.
Finely
designed
planar
π-π
stacking
structures
emerged
as
one
of
the
primary
strategies
achieving
high-performance
small-molecule
HTMs.
In
particular,
incorporation
a
helical
structure
into
HTM
designs
through
linearization
approach
has
proven
effective,
leading
development
novel
with
superior
properties.
this
study,
structure-property
relationship
these
small
molecules
been
systematically
explored.
The
newly
developed
HTM,
SPCF-MeTPA,
based
on
spiro[cyclopentane-1,9'-fluorene]
core,
features
rigid
conjugated
system
spiro-linked
core.
This
design
provides
improved
intermolecular
charge
extraction
transport,
optimized
energy
levels,
effective
surface
passivation
compared
SPTP-MeTPA,
which
nonplanar
spatial
arrangement.
As
result,
champion
device
SPCF-MeTPA
achieves
efficiencies
26.35%
(certified
25.75%)
24.55%
aperture
areas
0.07
1.01
cm2,
respectively.
Additionally,
devices
demonstrate
exceptional
long-term
stability,
further
highlighting
HTM.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 13, 2025
Abstract
The
3D/2D
perovskite
film
vertical
heterojunction
(3D/2D
PFVH)
has
emerged
as
a
promising
candidate
for
high‐performance
photodetectors,
it
overcomes
the
limitations
of
mono‐perovskite
while
preserving
their
photoelectric
properties
and
enhancing
active
layer
stability,
surface
defect
passivation,
carrier
dynamics.
However,
controllable
cost‐effective
fabrication
efficient
PFVH
remains
challenging.
Herein,
an
improved
hot‐pressing
reaction
transfer‐assisted
method
is
proposed
to
successfully
prepare
high‐quality
after
optimizing
pressure
concentration.
A
dynamics
model
also
elucidate
changes
in
states,
dynamics,
photophysical
during
formation
PFVH.
Furthermore,
under
optimal
conditions
exhibited
remarkable
enhancements
photoluminescence,
lifetime,
humidity
mitigation.
Ultimately,
champion
horizontal
photodetector
achieved
record‐performance
photo‐responsivity
(R
up
4.59
A/W)
external
quantum
efficiency
(EQE
1.07
×
10
3
%),
signifying
superior
light
detection
capabilities.
This
study
offers
valuable
insights
designing
advanced
planar
optoelectronic
devices
multiple
scenes.
Advanced Theory and Simulations,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 29, 2025
Abstract
This
research
utilizes
Monte
Carlo
simulations
with
the
Blume–Capel
model
to
investigate
hysteresis
behavior
of
graphene,
graphyne,
and
graphdiyne
nanostructures.
By
analyzing
effects
exchange
interactions,
crystal
field,
temperature,
explores
stability
reversibility
magnetization
in
these
materials.
The
study
finds
that
graphene
exhibits
highest
stability,
core–shell
core–core
interactions
enhancing
while
stronger
fields
higher
temperatures
reduce
coercivity
accelerate
paramagnetic
transition,
optimizing
properties
for
nanotechnology.
