Metal/Covalent Organic Framework Encapsulated Lead-Free Halide Perovskite Hybrid Nanocatalysts: Multifunctional Applications, Design, Recent Trends, Challenges, and Prospects
ACS Omega,
Год журнала:
2024,
Номер
9(32), С. 34220 - 34242
Опубликована: Авг. 1, 2024
Perovskites
are
bringing
revolutionization
in
a
various
fields
due
to
their
exceptional
properties
and
crystalline
structure.
Most
specifically,
halide
perovskites
(HPs),
lead-free
(LFHPs),
perovskite
quantum
dots
(HPs
QDs)
becoming
hotspots
unique
optoelectronic
properties,
low
cost,
simple
processing.
HPs
QDs,
particular,
have
excellent
photovoltaic
applications
because
of
tunable
emission,
high
photoluminescence
yield
(PLQY),
effective
charge
separation,
cost.
However,
practical
the
QDs
family
some
limitations
such
as
degradation,
instability,
deep
trap
states
within
bandgap,
structural
inflexibility,
scalability,
inconsistent
reproducibility,
environmental
concerns,
which
can
be
covered
by
encapsulating
into
porous
materials
like
metal–organic
frameworks
(MOFs)
or
covalent–organic
(COFs)
that
offer
protection,
prevention
aggregation,
optical
flexibility
structure,
enhanced
biocompatibility,
improved
stability
under
harsh
conditions,
consistency
production
quality,
efficient
separation.
These
advantages
MOFs-COFs
help
harness
full
potential
for
applications.
This
review
mainly
consists
three
parts.
The
first
portion
discusses
perovskites,
dots.
In
second
portion,
we
explore
MOFs
COFs.
third
particular
emphasis
is
given
thorough
evaluation
development
QDs@MOFs-COFs
based
comprehensive
investigations
next-generation
intended
diverse
technological
applications,
CO2
conversion,
pollutant
hydrogen
generation,
batteries,
gas
sensing,
solar
cells.
Finally,
this
will
open
new
gateway
synthesis
perovskite-based
Язык: Английский
Single Crystal Sn-Based Halide Perovskites
Nanomaterials,
Год журнала:
2024,
Номер
14(17), С. 1444 - 1444
Опубликована: Сен. 4, 2024
Sn-based
halide
perovskites
are
expected
to
be
the
best
replacement
for
toxic
lead-based
counterparts,
owing
their
similar
ionic
radii
and
optimal
band
gap
use
in
solar
cells,
as
well
versatile
light-emitting
diodes
photodetection
applications.
Concerns,
however,
exist
about
stability
under
ambient
conditions,
an
issue
that
is
exacerbated
polycrystalline
films
because
grain
boundaries
present
large
concentrations
of
defects
act
entrance
points
oxygen
water,
causing
Sn
oxidation.
A
current
thriving
research
area
perovskite
materials
fabrication
single
crystals,
promising
improved
optoelectronic
properties
due
excellent
uniformity,
reduced
defects,
absence
boundaries.
This
review
summarizes
most
recent
advances
crystal
perovskites,
with
emphasis
on
synthesis
methods,
compositional
engineering,
formation
mechanisms,
followed
by
a
discussion
various
challenges
appropriate
strategies
improving
performance
Язык: Английский
Exciton Dynamics in Layered Halide Perovskite Light‐Emitting Diodes
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 20, 2024
Abstract
Layered
halide
perovskites
have
garnered
significant
interest
due
to
their
exceptional
optoelectronic
properties
and
great
promises
in
light‐emitting
applications.
Achieving
high‐performance
perovskite
diodes
(PeLEDs)
requires
a
deep
understanding
of
exciton
dynamics
these
materials.
This
review
begins
with
fundamental
overview
the
structural
photophysical
layered
perovskites,
then
delves
into
importance
dimensionality
control
cascade
energy
transfer
quasi‐2D
PeLEDs.
In
second
half
review,
more
complex
dynamics,
such
as
multiexciton
processes
triplet
from
perspective
LEDs
are
explored.
Through
this
comprehensive
an
in‐depth
critical
aspects
impacts
on
future
research
technological
advancements
for
PeLEDs
is
provided.
Язык: Английский