Applied Sciences,
Год журнала:
2024,
Номер
14(14), С. 6341 - 6341
Опубликована: Июль 20, 2024
The
assembly
of
van
der
Waals
(vdW)
heterostructures
using
2D
material
transfer
systems
has
revolutionized
the
field
materials
science,
enabling
development
novel
electronic
and
optoelectronic
devices
probing
emergent
phenomena.
innovative
vertical
stacking
methods
enabled
by
these
are
central
to
constructing
complex
devices,
which
often
challenging
achieve
with
traditional
bottom-up
nanofabrication
techniques.
Over
past
decade,
vdW
have
unlocked
numerous
applications
leading
advanced
such
as
transistors,
photodetectors,
solar
cells,
sensors.
However,
achieving
consistent
performance
remains
due
variations
in
processes,
contamination,
handling
air-sensitive
materials,
among
other
factors.
Several
challenges
can
be
addressed
through
careful
design
considerations
modifications.
This
mini-review
critically
examines
current
state
systems,
focusing
on
their
design,
cost-effectiveness,
operational
efficiency.
Special
emphasis
is
placed
low-cost
glovebox
integration
essential
for
materials.
We
highlight
recent
advancements
including
cleanroom
environments
within
gloveboxes
advent
robotic
automation.
Finally,
we
discuss
ongoing
necessity
further
innovations
reliable,
cleaner,
scalable
technologies
future
applications.
Abstract
Benefiting
from
the
high
sensitivity
and
electromechanical
conversion
efficiency,
triboelectric
nanogenerators
(TENGs)
are
widely
used
in
various
fields
of
self‐powered
sensing
mechanical
energy
harvesting,
which
have
great
potential
for
application
future
smart
Internet
Things.
The
development
sustainable
materials
with
high‐performance
has
a
vital
impact
on
construction
TENG
devices
that
combine
high‐output
performance
environmental
friendliness,
positive
humanity.
This
review
systematically
comprehensively
summarizes
latest
research
work
TENG's
materials.
First,
an
overall
overview
is
provided
based
composition
materials,
including
amino
acids,
polysaccharides,
synthetic
polymer,
representative
works
further
classified
summarized
detail.
In
addition,
progress
harvesting
applications
also
summarized.
Finally,
overviews
challenges
current
material,
related
outlooks
offered
corresponding
strategies
directions
this
field
future.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(44)
Опубликована: Авг. 16, 2024
Abstract
This
work
presents
the
advancement
of
lead‐free
tin
perovskite
photodiodes
in
terms
their
photodetection
and
air
stability
by
incorporating
germanium
(Ge)
ethylenediamine
(EDA)
to
formamidinium
iodide
(FASnI
3
).
EDA
0.01
FA
0.98
SnI
:Ge‐based
demonstrate
a
significantly
improved
specific
detectivity
(1.6
×
10
12
Jones
at
−0.1
V),
cut‐off
frequency
(6.6
5
Hz),
response
speed
(0.53
µs),
signal‐to‐noise
ratio
(45
dB)
compared
with
control
devices.
The
superior
performance
is
attributed
stronger
Ge─I
bond,
passivation
Sn
2+
I
–
vacancies
smaller
Ge
ions,
promotion
fully
3D
structure,
elevation
conduction
band
energy
level,
formation
protective
GeO
layer.
Various
film
analyses,
including
X‐ray
photoelectron
spectroscopy,
UV
density
functional
theory,
as
well
device
testing
using
time‐of‐flight
secondary
ion
mass
spectrometry
voltage‐dependent
admittance,
support
explain
mechanisms
behind
enhancements.
Ge‐
EDA‐incorporated
exhibit
excellent
stability,
evidenced
time‐dependent
ultraviolet
visible
spectra
considerably
high
certified
power
conversion
efficiency
without
encapsulation
air,
demonstrating
potential
for
practical
applications.
obtained
highest
among
published
tin‐based
photodetectors,
presenting
monumental
progress
from
previous
report
same
group.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 17, 2024
Abstract
Up
to
now,
post‐annealing
is
most
commonly
used
post
treat
the
perovskite
film
accelerate
ripening
process.
Nonetheless,
top‐down
crystallization
mechanism
impedes
efficient
desolvation
of
solvent
complexes.
Thus,
residual
complexes
tend
accumulate
at
bottom
during
process
and
deteriorate
device.
Here,
a
new
strategy
with
unique
concept
promoted
amplify
film,
in
which
nematic
thermotropic
liquid
crystal
(LC)
molecular
introduced
facilitate
conversion
by
utilizing
crystalline
behavior
under
external
field.
Upon
concurrent
application
thermal
force
fields,
covalent
interaction
between
LC
generates
driving
force,
promotes
upward
migration
complexes,
thereby
facilitating
their
engagement
In
addition,
fields
assists
flattening
grain
boundary
grooves.
Therefore,
quality
improved
efficiently
amplified
adequately
handled
buried
interface.
Based
on
positive
effects,
devices
achieve
champion
efficiency
25.24%,
sustained
≈75%
its
initial
level
even
after
undergoing
damp
heat
test
(85
°C/85%
RH)
for
1400
h.
Beilstein Journal of Nanotechnology,
Год журнала:
2025,
Номер
16, С. 119 - 127
Опубликована: Фев. 6, 2025
Perovskite
solar
cells
(PSCs)
are
in
the
focus
of
photovoltaic
industry.
Lead-free
double
perovskite
(DPSCs)
have
become
an
essential
alternative
lead-based
PSCs
as
a
promising
material.
The
layer
is
remarkable
choice
active
because
intrinsic
carrier
stability,
low
exciton
binding
energy,
and
toxicity.
Herein,
optimization
planar
DPSC
with
multifunctional
absorber
layer,
that
is,
La
2
NiMnO
6
(LNMO),
studied
organic
inorganic
hole
transport
layers
(HTLs)
Cu
O
PEDOT:PSS.
Our
study
yields
significant
improvement
power
conversion
efficiency
(PCE)
two
types
HTLs.
optimized
devices
achieved
maximum
PCE
27.84%
27.38%
for
PEDOT:PSS,
respectively,
corresponding
open-circuit
voltages
1.27
1.22
V,
short-circuit
current
densities
28.60
28.91
mA/cm
,
fill
factors
76.31%
77.15%,
respectively.
These
results
highlight
potential
these
HTLs
enhanced
device
performance.
