Abstract
As
an
excellent
representative
of
a
new
generation
semiconductor
materials,
perovskite
materials
are
sweeping
the
whole
photoelectric
field
like
storm
(such
as
photovoltaic,
electroluminescence,
detection
and
imaging,
memristor,
thermoelectricity,
other
fields).
In
show
unique
application
potential
imaging.
This
paper
overviews
recent
advances
units
(PDUs)
based
on
for
First,
key
characteristics
indexes
PDUs
introduced.
Then,
conventional
imaging
in
UV–vis–NIR
band
introduced
from
organic–inorganic
hybrid
all‐inorganic
respectively.
research
X‐ray
image
biological
is
summarized.
Finally,
prospects
discussed.
Sensors,
Journal Year:
2024,
Volume and Issue:
24(8), P. 2504 - 2504
Published: April 13, 2024
Recently,
the
utilization
of
metal
halide
perovskites
in
sensing
and
their
application
environmental
studies
have
reached
a
new
height.
Among
different
perovskites,
cesium
lead
(CsPbX3;
X
=
Cl,
Br,
I)
composites
attracted
great
interest
applications
owing
to
exceptional
optoelectronic
properties.
Most
CsPbX3
nanostructures
possess
structural
stability,
luminescence,
electrical
properties
for
developing
distinct
optical
photonic
devices.
When
exposed
light,
heat,
water,
can
display
stable
utilities.
Many
been
reported
as
probes
detection
diverse
analytes,
such
ions,
anions,
important
chemical
species,
humidity,
temperature,
radiation
photodetection,
so
forth.
So
far,
covering
all
metallic
organic–inorganic
already
reviewed
many
studies.
Nevertheless,
detailed
review
utilities
could
be
helpful
researchers
who
are
looking
innovative
designs
using
these
nanomaterials.
Herein,
we
deliver
thorough
composites,
quantitation
chemicals,
explosives,
bioanalytes,
pesticides,
fungicides,
cellular
imaging,
volatile
organic
compounds
(VOCs),
toxic
gases,
radiation,
photodetection.
Furthermore,
this
also
covers
synthetic
pathways,
design
requirements,
advantages,
limitations,
future
directions
material.
InfoMat,
Journal Year:
2024,
Volume and Issue:
6(12)
Published: May 26, 2024
Abstract
Silicon
belongs
to
group
14
elements
along
with
carbon,
germanium,
tin,
and
lead
in
the
periodic
table.
Similar
silicon
is
capable
of
forming
a
wide
range
stable
compounds,
including
hydrides,
organosilicons,
silicic
acids,
oxides,
silicone
polymers.
These
materials
have
been
used
extensively
optoelectronic
devices,
sensing,
catalysis,
biomedical
applications.
In
recent
years,
compounds
also
shown
be
suitable
for
stabilizing
delicate
halide
perovskite
structures.
composite
are
now
receiving
lot
interest
their
potential
use
various
real‐world
Despite
exhibiting
outstanding
performance
perovskites
susceptible
breakdown
presence
moisture,
oxygen,
heat,
UV
light.
thought
excellent
improving
both
stability
perovskite‐based
devices.
this
work,
that
research
applications
fields
discussed.
The
interfacial
stability,
structure–property
correlations,
application
aspects
analyzed
at
molecular
level.
This
study
explores
developments,
difficulties,
future
directions
associated
synthesis
perovskite‐silicon
compounds.
image
ACS Applied Materials & Interfaces,
Journal Year:
2021,
Volume and Issue:
13(25), P. 29798 - 29808
Published: June 9, 2021
Recently,
perovskite
quantum
dots
(QDs)
have
attracted
intensive
interest
due
to
their
outstanding
optical
properties,
but
extremely
poor
chemical
stability
hinders
the
development
of
high-performance
QD-based
light-emitting
diodes
(PeLEDs).
In
this
study,
chemically
stable
SiO2-coated
core–shell
QDs
are
prepared
fabricate
all-solution-processed
PeLEDs.
When
SiO2
shell
thickness
increases,
is
dramatically
improved,
while
charge
injection
efficiency
significantly
decreased,
which
becomes
biggest
obstacle
for
PeLED
applications.
Thus,
controlling
essential
obtain
optimal
PeLEDs
in
an
aspect
and
optoelectrical
properties.
The
3-aminopropyl-triethoxysilane
(APTES)/oleylamine
(OAm)
volume
ratio
found
be
a
critical
factor
obtaining
ultrathin
shell.
Optimization
APTES/OAm
affords
A-site-doped
CsPbBr3
with
(A-CsPbBr3@SiO2
QDs)
that
exhibit
longer
radiative
lifetimes
smaller
shallow
trap
fraction
than
those
without
A-site
doping,
resulting
higher
photoluminescence
yield.
A-CsPbBr3@SiO2
also
demonstrate
long-term
superior
polar
solvents
loss
properties
passivation
by
less
defects
via
doping.
Consequently,
successfully
fabricated
under
ambient
conditions,
facilitating
QD
utilization
low-cost,
large-area,
flexible
next-generation
displays.
ACS Applied Nano Materials,
Journal Year:
2021,
Volume and Issue:
4(9), P. 9022 - 9033
Published: Aug. 27, 2021
CsPbX3
nanocrystals
have
been
employed
in
various
optoelectronic
applications,
such
as
light-emitting
diodes
and
solar
cells.
Nevertheless,
widespread
application
of
has
largely
restricted
by
their
poor
aqueous
stability.
Despite
the
tremendous
efforts
focused
on
encapsulating
nanocrystals,
it
is
still
very
challenging
to
achieve
with
good
This
work
describes
preparation
encapsulation
methods
for
CsPbBr3/SiO2/mPEG-DSPE
that
can
be
readily
dispersed
water
biological
buffers.
To
best
our
knowledge,
this
first
reports
multiphoton
emissions
from
water.
The
protection
afforded
silica
shell
phospholipid
micelles
enables
solution
exhibit
enhanced
long-term
stability
better
shielding
against
ultrasonication
treatment
continuous
light
irradiation
than
bare
CsPbBr3
nanocrystals.
toxicity
evaluated
cell
lines.
Subsequently,
encapsulated
were
used
targeted
single
imaging
cancer
not
only
water-stable
but
also
paves
way
applications
bioimaging
applications.
Chemistry of Materials,
Journal Year:
2021,
Volume and Issue:
33(11), P. 3868 - 3877
Published: May 21, 2021
Nanocrystal
heterostructures
are
one
of
the
frontline
energy
materials
widely
known
for
enhancing
rate
photocatalysis
and
tuning
optical
properties
also
used
in
photovoltaics.
These
nanostructures
where
two
crystalline
nanomaterials
placed
together
a
single
building
block
share
lattices
extensively
studied
chalcogenide
semiconductors
metal
oxides
but
limited
recently
emerged
perovskite
nanocrystals.
Due
to
differences
crystal
bonding
nature,
interface
chemistry,
formation
mechanism,
some
constraints
present
designing
common
reaction
pathways
simultaneous
perovskites
chalcogenides
or
similar
nanocrystals
sharing
lattice
planes.
Hence,
more
fundamental
understanding
both
nucleation
growth
is
required
inducing
heteronucleations
on
surface
another.
Literature
reports
revealed
that
epitaxial
lead
halide
with
nonhalide
colloidal
0D
could
not
be
established
yet.
field
remains
challenging,
investigations
experimental
as
well
theoretical
studies
timely
required.
Keeping
these
mind,
this
perspective
state-of-the-art
issues
related
all
inorganic
halides
formed
relations
discussed.
At
beginning,
chemistry
similarities
dissimilarities
their
nature
examples
different
summarized,
then,
synthetic
possibilities
overtaking
hurdles
such
proposed.
Nano Convergence,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: May 3, 2023
In
this
study,
we
present
a
promising
and
facile
approach
toward
the
fabrication
of
non-toxic,
water-stable,
eco-friendly
luminescent
fiber
paper
composed
polycaprolactone
(PCL)
polymer
CsPbBr3@SiO2
core-shell
perovskite
nanocrystals.
PCL-perovskite
was
fabricated
using
conventional
electrospinning
process.
Transmission
electron
microscopy
(TEM)
clearly
revealed
incorporation
nanocrystals
in
fibers,
while
scanning
(SEM)
demonstrated
that
did
not
affect
surface
diameter
fibers.
addition,
thermogravimetric
analysis
(TGA)
contact
angle
measurements
have
fibers
exhibit
excellent
thermal
water
stability.
The
exhibited
bright
green
emission
centered
at
520
nm
upon
excitation
by
ultra-violet
(UV)
light
(374
nm).
We
fluorescent
is
candidate
for
anti-counterfeiting
applications
because
various
patterns
can
be
printed
on
paper,
which
only
become
visible
after
exposure
to
UV
365
nm.
Cell
proliferation
tests
are
cytocompatibility.
Consequently,
they
may
suitable
biocompatible
anti-counterfeiting.
study
reveals
pave
way
next
generation
biomedical
probe
applications.
