Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 14, 2025
The
conductive
paths
(CPs)
established
by
defects
in
halide
perovskites
(HPs)
tend
to
be
disrupted
under
external
influences,
leading
deterioration
of
their
RRAM
performances.
Here
we
propose
an
effective
strategy
enhance
the
CPs
HP
RRAMs
doping
Ag+
partially
substitute
Pb2+
MAPbI3,
which
facilitates
nonlocalized
growth
Ag
and
thereby
improves
stability
CPs.
optimal
doped
device
demonstrates
excellent
performances
including
high
ON/OFF
ratios
(>107),
long
retention
(>105
s),
large
endurance
(>103
cycles),
uniform
parameters,
yield.
In-depth
mechanism
investigation
illustrates
homogeneous
distribution
migration
a
sufficient
quantity
contribute
formation
stable,
HP.
This
possesses
superiorities
not
requiring
participation
active
electrode,
simple
material
preparation,
broad
applicability,
provides
new
perspective
for
developing
high-performance
RRAMs.
Small,
Journal Year:
2023,
Volume and Issue:
19(17)
Published: Jan. 24, 2023
Carbon-based
quantum
dots
(QDs)
have
emerged
as
a
fascinating
class
of
advanced
materials
with
unique
combination
optoelectronic,
biocompatible,
and
catalytic
characteristics,
apt
for
plethora
applications
ranging
from
electronic
to
photoelectrochemical
devices.
Recent
research
works
established
carbon-based
QDs
those
frontline
through
improvements
in
design,
processing,
device
stability.
This
review
broadly
presents
the
recent
progress
synthesis
QDs,
including
carbon
graphene
graphitic
nitride
their
heterostructures,
well
salient
applications.
The
methods
are
first
introduced,
followed
by
an
extensive
discussion
dependence
performance
on
intrinsic
properties
nanostructures
aiming
present
general
strategies
designing
optimal
performance.
Furthermore,
diverse
presented,
emphasis
relationship
between
band
alignment,
charge
transfer,
improvement.
Among
discussed
this
review,
much
focus
is
given
photo
electrocatalytic,
energy
storage
conversion,
bioapplications,
which
pose
grand
challenge
rational
designs.
Finally,
summary
existing
challenges
future
directions
elaborated.
Nano-Micro Letters,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: Dec. 29, 2022
Metal
halide
perovskites
have
generated
significant
attention
in
recent
years
because
of
their
extraordinary
physical
properties
and
photovoltaic
performance.
Among
these,
inorganic
perovskite
quantum
dots
(QDs)
stand
out
for
prominent
merits,
such
as
confinement
effects,
high
photoluminescence
yield,
defect-tolerant
structures.
Additionally,
ligand
engineering
an
all-inorganic
composition
lead
to
a
robust
platform
ambient-stable
QD
devices.
This
review
presents
the
state-of-the-art
research
progress
on
QDs,
emphasizing
electronic
applications.
In
detail,
QDs
will
be
introduced
first,
followed
by
discussion
synthesis
methods
growth
control.
Afterwards,
emerging
applications
electronics,
including
transistors
memories,
presented.
Finally,
this
provide
outlook
potential
strategies
advancing
technologies.
Applied Physics Letters,
Journal Year:
2025,
Volume and Issue:
126(9)
Published: March 1, 2025
A
transparent
pn
junction
comprising
CuI/LaCoO3
QDs/SrTiO3
was
synthesized
using
the
solgel-hydrothermal-freeze
drying-sputtering
in
situ
iodization
method.
The
achieves
transmittance
of
∼85%,
photoelectric
enhancement
∼2.2
×
103-fold
to
intrinsic
CuI/SrTiO3,
and
good
stability
5
months.
It
can
be
primarily
attributed
LaCoO3
QDs.
In
addition
appropriate
Fermi
level
high
QY,
QDs
with
carrier
inducing–injecting–driving
ameliorate
dynamics
for
PCE-transparency
balance,
meanwhile
increasing
hole
by
Cu
vacancy.
Furthermore,
CuI,
LaCoO3,
SrTiO3
maintain
structural
potential
devices.
Advanced Electronic Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Abstract
Non‐volatile
memories
are
expected
to
revolutionize
a
wide
range
of
information
technologies,
but
their
manufacturing
cost
is
one
the
top
concerns
researchers
must
address.
This
study
presents
1D
lead‐free
halide
perovskite
K
2
CuBr
3
,
as
novel
material
candidate
for
resistive
switching
(RS)
devices,
which
features
only
earth‐abundant
elements,
K,
Cu,
and
Br.
To
knowledge,
this
first
low‐dimensional
with
exceptionally
low
production
costs
minimal
environmental
impact.
Owing
unique
carrier
transport
along
Cu─Br
networks,
RS
device
exhibits
excellent
bipolar
behavior,
an
On/Off
window
10
5
retention
time
over
1000
s.
The
devices
can
also
act
artificial
synapses
transmit
various
forms
synaptic
plasticities,
integration
into
perceptron
neural
network
deliver
high
algorithm
accuracy
93%
image
recognition.
Overall,
underscores
promising
attributes
future
development
memory
storage
neuromorphic
computing,
leveraging
its
distinct
properties
economic
benefits.
Small,
Journal Year:
2022,
Volume and Issue:
18(38)
Published: Aug. 21, 2022
Metal-halide
perovskites
have
drawn
profuse
attention
during
the
past
decade,
owing
to
their
excellent
electrical
and
optical
properties,
facile
synthesis,
efficient
energy
conversion,
so
on.
Meanwhile,
development
of
information
storage
technologies
digital
communications
has
fueled
demand
for
novel
semiconductor
materials.
Low-dimensional
offered
a
new
force
propel
developments
memory
field
due
physical
properties
associated
with
reduced
dimensionality.
In
this
review,
mechanisms,
as
well
stability
performance
low-dimensional
perovskite
memories,
involving
both
molecular-level
structure-level
nanostructures,
are
comprehensively
reviewed.
The
property-performance
correlation
is
discussed
in-depth,
aiming
present
effective
strategies
designing
devices
based
on
class
high-performance
Finally,
existing
challenges
future
opportunities
presented.
Advanced Electronic Materials,
Journal Year:
2023,
Volume and Issue:
9(6)
Published: April 23, 2023
Abstract
The
essential
step
for
developing
neuromorphic
systems
is
to
construct
more
biorealistic
elementary
devices
with
rich
spatiotemporal
dynamics
exhibit
highly
separable
responses
in
dynamic
environmental
circumstances.
Unlike
transistor‐based
and
circuits
zeroth‐order
complexity,
memristors
intrinsically
express
some
simple
biomimetic
functions.
However,
only
two‐terminal
structure,
precise
control
of
operation
principles
ensure
large
space,
improved
linearity
symmetry,
multimodal
as
well
high‐order
complexity
hard
achieve
a
traditional
memristor
owing
its
limited
degree
freedom.
Therefore,
multiterminal
including
both
concrete
terminals
virtual
(light,
pressure,
gas,
ferroelectric
polarity,
etc.)
have
been
proposed
obtain
modulation
memristive
characteristics.
This
review
focuses
on
the
recent
progress
their
applications.
principle,
application
computing
different
scenarios,
existing
challenges
future
prospects
are
discussed.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(9), P. 12073 - 12084
Published: Feb. 21, 2024
Memristors
can
be
used
to
mimic
synaptic
behavior
in
artificial
neural
networks,
which
makes
them
a
key
component
neuromorphic
computing
and
holds
promise
for
advancing
the
field.
In
this
study,
memory
device
based
on
ZnO-BaTiO
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
12(21), P. 7497 - 7512
Published: Jan. 1, 2024
This
review
introduced
the
research
progress
and
present
situation
of
solar
blind
detectors
based
on
metal
halide
perovskite
(MHP)
in
recent
years
from
different
dimensions:
three-dimensional,
two-dimensional,
one-dimensional
zero
dimensional.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 29, 2024
Abstract
The
advancement
of
digital
technology
has
spurred
the
proliferation
data,
creating
a
pressing
need
for
efficient
storage
solutions.
In
this
regard,
memristors
have
emerged
as
promising
contenders
next‐generation
non‐volatile
memory,
offering
superior
electrical
capabilities.
Among
memristor
materials,
lead
halide
perovskites
garnered
significant
interest
due
to
their
tuneable
properties,
facile
synthesis
methods,
and
remarkable
resistive
switching
(RS)
performance.
However,
concerns
over
environmental
toxicity
stability
remain.
This
issue
been
addressed
by
copper
(Cu)
based
that
exhibit
wide
bandgap
semiconducting
properties
with
zero
long‐term
stability.
manuscript,
novel
approach
is
investigated
achieve
iodine‐enriched
Cs–Cu–I
perovskite
thin
films
applications.
Through
strategic
functionalization
processes,
optoelectronic
are
achieved
in
films.
modified
(CCI
device)
exhibits
excellent
RS
behavior
at
low
operating
voltage
0.7
V,
long
retention
period
4
×
10
3
s
very
power
consumption
2
−9
W.
experimental
realization
synaptic
from
CCI
device
demonstrated
through
its
spike‐rate‐dependent
plasticity
(SRDP)
behavior.
response
short‐
pulses
experimentally
verifies
Atkinson
Shiffrin
psychological
model
training
human
brain.
work
not
only
highlights
potential
devices
RRAM
but
also
paves
way
improved
lead‐free
perovskite‐based
neuromorphic
biological
