Nanoscale Advances,
Journal Year:
2021,
Volume and Issue:
4(3), P. 680 - 696
Published: Dec. 30, 2021
With
super
strong
penetrability,
high-energy
X-rays
can
be
applied
to
probe
the
inner
structure
of
target
objects
under
nondestructive
situations.
Scintillation
materials
down-convert
into
visible
light,
enabling
reception
photon
signals
and
photoelectric
conversion
by
common
sensing
arrays
such
as
photomultiplier
tubes
amorphous-Si
photodiode
matrixes.
All-inorganic
perovskite
nanocrystals
are
emerging
photovoltaic
scintillation
materials,
with
tremendous
light-conversion
efficiency
tunable
luminous
properties,
exhibiting
great
potential
for
high-quality
X-ray
imaging.
Recent
advancements
in
nanotechnology
further
accelerate
performance
improvement
materials.
In
this
review,
we
will
provide
a
comprehensive
overview
novel
all-inorganic
nano-scintillators
terms
applications
low-dose
medical
radiography.
Compared
conventional
scintillators,
merits/drawbacks,
challenges,
control
focus
article.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
50(4), P. 2626 - 2662
Published: Jan. 1, 2021
This
review
provides
in-depth
insight
into
the
structure–luminescence–application
relationship
of
0D
all-inorganic/organic–inorganic
hybrid
metal
halide
luminescent
materials.
Angewandte Chemie International Edition,
Journal Year:
2020,
Volume and Issue:
60(21), P. 11592 - 11603
Published: Oct. 21, 2020
Lead-free
halide
perovskites
have
drawn
wide
attention
as
alternatives
to
their
toxic
and
poorly
stable
lead-based
counterparts.
Among
them,
double
with
Cs2
AgInCl6
composition,
often
doped
various
elements,
been
in
the
spotlight
owing
intriguing
optical
properties,
namely,
self-trapped
exciton
(STEs)
emission
dopant-induced
photoluminescence.
This
interest
has
sparked
different
synthesis
approaches
towards
both
crystals
nanocrystals,
exploration
of
many
alloy
compositions
mono-
trivalent
cations
other
than
Ag+
In3+
.
In
this
Minireview
we
describe
recent
developments
on
bulk
strategies,
intrinsic
tunable
photoluminescence
originating
from
alloying
doping
effects.
We
also
discuss
progress
computational
studies
aimed
at
understanding
thermodynamic
stability,
role
defects,
origin
relation
STEs
direct
band
gap
character.
ACS Energy Letters,
Journal Year:
2020,
Volume and Issue:
5(11), P. 3374 - 3396
Published: Oct. 12, 2020
Lead
halide
perovskite
quantum
dots
(LHP
QDs)
exhibit
great
potential
in
the
backlighting
display
of
light-emitting
diode
applications.
Light-emitting
with
high
brightness,
low
cost,
and
wide
color
gamut
can
be
achieved
based
on
LHP
QDs,
which
have
advantages
luminescence
performance,
tunable
emission,
facile
synthesis.
However,
some
drawbacks,
including
instability
large-scale
synthesis,
that
restrict
practical
application
QDs
remain.
This
Review
focuses
solutions
to
these
obstacles.
The
gap
between
fundamental
knowledge
applications
must
narrowed.
strategies
for
stability
improvements
scalable
synthesis
are
summarized
clarified.
provides
inspiration
optimization
promotes
their
backlighting,
contributes
current
future
solutions.
Chemistry of Materials,
Journal Year:
2020,
Volume and Issue:
32(13), P. 5410 - 5423
Published: June 16, 2020
Metal
halide
perovskite
nanocrystals
offer
a
range
of
interesting
properties
and
are
being
studied
extensively
for
applications
in
solar
cells,
photodetectors
light-emitting
devices.
This
perspective
provides
number
best
practices
the
synthesis,
purification,
characterization
metal
nanocrystals,
with
detailed
discussion
CsPbI3,
CsPbBr3,
CH3NH3PbI3
(MAPI),
Cs2AgBiBr6
as
examples.
The
choice
reactants
ligands
hot-injection
reactions
discussed,
well
how
various
reaction
conditions,
including
temperature
time,
affect
yield,
uniformity,
crystal
phase.
We
discuss
use
antisolvent
precipitation
methods
since
ligand
coordination
to
most
is
weak
sensitive
degradation.
Finally,
we
some
strategies
imaging
these
using
transmission
electron
microscopy
(TEM).
Chemical Reviews,
Journal Year:
2022,
Volume and Issue:
122(3), P. 3763 - 3819
Published: Jan. 11, 2022
Solid-state
batteries
have
fascinated
the
research
community
over
past
decade,
largely
due
to
their
improved
safety
properties
and
potential
for
high-energy
density.
Searching
fast
ion
conductors
with
sufficient
electrochemical
chemical
stabilities
is
at
heart
of
solid-state
battery
applications.
Recently,
significant
progress
has
been
made
in
electrolyte
development.
Sulfide-,
oxide-,
halide-based
electrolytes
able
achieve
high
ionic
conductivities
more
than
10-3
S/cm
room
temperature,
which
are
comparable
liquid-based
electrolytes.
However,
stability
toward
Li
metal
anodes
poses
challenges
these
The
existence
non-Li
cations
that
can
be
reduced
by
hinders
application
anode
therefore
an
obstacle
achieving
finding
antiperovskites
as
recent
years
demonstrated
a
new
exciting
solution.
These
materials,
mainly
constructed
from
(or
Na),
O,
Cl
Br),
lightweight
electrochemically
stable
metallic
possess
promising
conductivity.
Because
structural
flexibility
tunability,
antiperovskite
excellent
candidates
applications,
researchers
still
exploring
relationship
between
structure
diffusion
behavior.
Herein,
reviewed,
strategies
tune
conductivity
manipulation
summarized.
Major
future
directions
discussed
facilitate
development
antiperovskite-based
batteries.
Journal of Materials Chemistry A,
Journal Year:
2021,
Volume and Issue:
9(35), P. 19554 - 19588
Published: Jan. 1, 2021
This
review
initially
describes
the
recent
progress
in
SnO
2
nanostructures,
preparation
methods
and
passivation
options.
Then,
challenges
limitations
of
ETL-based
PSCs
were
discussed
recommendations
for
further
research
made.
ACS Energy Letters,
Journal Year:
2021,
Volume and Issue:
6(2), P. 827 - 836
Published: Feb. 3, 2021
Vacuum
deposition
methods
are
increasingly
applied
to
the
preparation
of
perovskite
films
and
devices,
in
view
possibility
prepare
multilayer
structures
at
low
temperature.
Vacuum-deposited,
wide-bandgap
solar
cells
based
on
mixed-cation
mixed-anion
perovskites
have
been
scarcely
reported,
due
challenges
associated
with
multiple-source
processing
thin
films.
In
this
work,
we
describe
a
four-source
vacuum
process
type
FA1–nCsnPb(I1–xBrx)3
tunable
bandgap
controlled
morphology,
using
FAI,
CsI,
PbI2,
PbBr2
as
precursors.
The
simultaneous
sublimation
PbI2
allows
relative
Br/Cs
content
be
decoupled
controlled,
resulting
homogeneous
1.7–1.8
eV
range
no
detectable
halide
segregation.
Solar
1.75
show
efficiency
up
16.8%
promising
stability,
maintaining
90%
initial
after
2
weeks
operation.
Science and Technology of Advanced Materials,
Journal Year:
2023,
Volume and Issue:
24(1)
Published: Jan. 3, 2023
With
the
booming
growth
of
artificial
intelligence
(AI),
traditional
von
Neumann
computing
architecture
based
on
complementary
metal
oxide
semiconductor
devices
are
facing
memory
wall
and
power
wall.
Memristor
in-memory
can
potentially
overcome
current
bottleneck
computer
achieve
hardware
breakthrough.
In
this
review,
recent
progress
in
material
structure
design,
device
performance
applications
summarized.
Various
resistive
switching
materials,
including
electrodes,
binary
oxides,
perovskites,
organics,
two-dimensional
presented
their
role
memristor
discussed.
Subsequently,
construction
shaped
design
functional
layer
other
factors
influencing
analyzed.
We
focus
modulation
resistances
effective
methods
to
enhance
performance.
Furthermore,
synaptic
plasticity,
optical-electrical
properties,
fashionable
logic
operation
analog
calculation
introduced.
Finally,
some
critical
issues
such
as
mechanism,
multi-sensory
fusion,
system-level
optimization
Journal of the American Chemical Society,
Journal Year:
2021,
Volume and Issue:
143(39), P. 16095 - 16104
Published: Sept. 24, 2021
Breaking
the
symmetry
of
a
crystal
structure
can
enable
even-order
nonlinear
activities,
including
second-harmonic
generation
(SHG).
The
emerging
chiral
hybrid
organic–inorganic
metal
halides
feature
unique
optical
and
electronic
properties
flexible
structures,
making
them
class
promising
materials.
However,
their
response
performances
are
currently
inferior
to
traditional
crystals,
because
lack
research
on
resonant
enhancement
third-harmonic
(THG).
Herein,
we
designed
bismuth
with
naturally
nonsymmetrical
SHG.
Simultaneously,
these
compounds
preserve
1D
structures
create
strong
free
exciton,
broad
self-trapped
exciton
(STE),
discrete
band
energy
levels,
which
facilitate
SHG
THG
susceptibilities.
These
new
films
showcase
superior
effective
susceptibility
(χ(2)
∼
130.5
pm
V–1
at
an
interesting
wavelength
1550
nm),
exceeding
that
reference,
commercial
LiNbO3
83.4
V–1)
single-crystal
film.
Furthermore,
intensities
even
higher
than
intensities,
(χ(3))
being
∼9.0
×
106
pm2
V–2
nm
(37
times
reference
monolayer
WS2).
Their
high
indicate
future
toward
applications.
