Abstract
Metal
halide
perovskites
(MHPs),
emerging
as
innovative
and
promising
semiconductor
materials
with
prominent
optoelectronic
properties,
has
been
pioneering
a
new
era
of
light
management
(ranging
from
emission,
absorption,
modulation,
to
transmission)
for
next-generation
technology.
Notably,
the
exploration
fundamental
characteristics
MHPs
their
devices
is
main
research
theme
during
past
decade,
while
in
next
it
will
be
primarily
critical
promote
implantation
optoelectronics.
In
this
review,
we
first
retrospect
historical
milestones
devices.
Thereafter,
introduce
origin
unique
features
MHPs,
based
on
which
highlight
tunability
these
via
regulating
phase,
dimensionality,
composition,
geometry
MHPs.
Then,
show
that
owing
convenient
property
control
various
target
performance
can
designed.
At
last,
emphasize
revolutionary
applications
MHPs-based
existing
systems.
This
review
demonstrates
key
role
played
development
modern
optoelectronics,
expected
inspire
novel
directions
widespread
ACS Nano,
Год журнала:
2021,
Номер
15(7), С. 10775 - 10981
Опубликована: Июнь 17, 2021
Metal-halide
perovskites
have
rapidly
emerged
as
one
of
the
most
promising
materials
21st
century,
with
many
exciting
properties
and
great
potential
for
a
broad
range
applications,
from
photovoltaics
to
optoelectronics
photocatalysis.
The
ease
which
metal-halide
can
be
synthesized
in
form
brightly
luminescent
colloidal
nanocrystals,
well
their
tunable
intriguing
optical
electronic
properties,
has
attracted
researchers
different
disciplines
science
technology.
In
last
few
years,
there
been
significant
progress
shape-controlled
synthesis
perovskite
nanocrystals
understanding
applications.
this
comprehensive
review,
having
expertise
fields
(chemistry,
physics,
device
engineering)
joined
together
provide
state
art
overview
future
prospects
nanocrystal
research.
Chemical Society Reviews,
Год журнала:
2018,
Номер
48(1), С. 310 - 350
Опубликована: Ноя. 22, 2018
Beyond
the
unprecedented
success
achieved
in
photovoltaics
(PVs),
lead
halide
perovskites
(LHPs)
have
shown
great
potential
other
optoelectronic
devices.
Among
them,
nanometer-scale
perovskite
quantum
dots
(PQDs)
with
fascinating
optical
properties
including
high
brightness,
tunable
emission
wavelength,
color
purity,
and
defect
tolerance
been
regarded
as
promising
alternative
down-conversion
materials
phosphor-converted
light-emitting
diodes
(pc-LEDs)
for
lighting
next-generation
of
display
technology.
Despite
applications
various
fields,
they
received
strong
criticism
lack
stability.
The
poor
stability
has
also
attracted
much
attention.
Within
a
few
years,
numerous
strategies
towards
enhancing
developed.
This
review
summarizes
mechanisms
intrinsic-
extrinsic-environment-induced
decomposition
PQDs.
Simultaneously,
improving
PQDs
are
reviewed
detail,
which
can
be
classified
into
four
types:
(1)
compositional
engineering;
(2)
surface
(3)
matrix
encapsulation;
(4)
device
encapsulation.
Finally,
challenges
applying
pc-LEDs
highlighted,
some
possible
solutions
to
improve
together
suggestions
further
performance
well
lifetime
provided.
ACS Nano,
Год журнала:
2018,
Номер
12(8), С. 8579 - 8587
Опубликована: Июль 13, 2018
The
practical
applications
of
CsPbX3
nanocrystals
(NCs)
have
been
limited
by
their
poor
stability.
Although
much
effort
has
devoted
to
making
core-shell
nanostructures
enhance
the
stability
NCs,
it
is
still
very
difficult
coat
NCs
with
another
material
on
a
single-particle
level.
In
this
work,
we
report
facile
one-pot
approach
synthesize
CsPbBr3@SiO2
nanoparticles
(NPs),
in
which
each
NP
only
one
CsPbBr3
NC.
formation
process
carefully
monitored.
It
found
that
rates,
determined
reaction
temperature,
precursor
species,
pH
value,
etc.,
both
and
SiO2
are
critical
for
successful
preparation
NPs.
Thanks
protection
shell,
product
shows
higher
long-term
humid
air
enhanced
against
ultrasonication
treatment
water
than
naked
NCs.
This
work
not
provides
robust
method
but
also
sheds
some
light
stabilization
Advanced Materials,
Год журнала:
2020,
Номер
33(7)
Опубликована: Дек. 21, 2020
Abstract
Metal
halide
perovskites
(MHPs)
have
been
a
hot
research
topic
due
to
their
facile
synthesis,
excellent
optical
and
optoelectronic
properties,
record‐breaking
efficiency
of
corresponding
devices.
Nowadays,
the
development
miniaturized
high‐performance
photodetectors
(PDs)
has
fueling
demand
for
novel
photoactive
materials,
among
which
low‐dimensional
MHPs
attracted
burgeoning
interest.
In
this
report,
photodetection
performance,
stability
MHPs,
including
0D,
1D,
2D
layered
nonlayered
nanostructures,
as
well
heterostructures
are
reviewed.
Recent
advances
in
synthesis
approaches
summarized
key
concepts
understanding
properties
related
PD
applications
introduced.
More
importantly,
recent
progress
PDs
based
on
is
presented,
strategies
improving
performance
perovskite
highlighted.
By
discussing
advances,
strategies,
existing
challenges,
report
provides
perspectives
MHP‐based
future.
Advanced Materials,
Год журнала:
2018,
Номер
30(38)
Опубликована: Июль 31, 2018
Abstract
Photodetectors
are
critical
parts
of
an
optical
communication
system
for
achieving
efficient
photoelectronic
conversion
signals,
and
the
response
speed
directly
determines
bandwidth
whole
system.
Metal
halide
perovskites,
emerging
class
low‐cost
solution‐processed
semiconductors,
exhibiting
strong
absorption,
low
trap
states,
high
carrier
mobility,
widely
investigated
in
photodetection
applications.
Herein,
through
optimizing
device
engineering
film
quality,
high‐performance
photodetectors
based
on
all‐inorganic
cesium
lead
perovskite
(CsPbI
x
Br
3–
),
which
simultaneously
possess
sensitivity
fast
response,
demonstrated.
The
optimized
devices
processed
from
CsPbIBr
2
show
a
practically
measured
detectable
limit
about
21.5
pW
cm
−2
time
20
ns,
both
among
highest
reported
performance
perovskite‐based
photodetectors.
Moreover,
exhibit
outstanding
long‐term
environmental
stability,
with
negligible
degradation
photoresponse
property
after
2000
h
under
ambient
conditions.
In
addition,
resulting
photodetector
is
successfully
integrated
into
its
applications
as
signal
receiver
transmitting
text
audio
signals
results
suggest
that
metal
have
great
application
potential
communication.
Nature Communications,
Год журнала:
2019,
Номер
10(1)
Опубликована: Апрель 26, 2019
Abstract
Circularly
polarized
light
(CPL)
detection
is
required
in
various
fields
such
as
drug
screening,
security
surveillance
and
quantum
optics.
Conventionally,
CPL
photodetector
needs
the
installation
of
optical
elements,
imposing
difficulties
for
integrated
flexible
devices.
The
established
detectors
without
elements
rely
on
chiral
organic
semiconductor
metal
metamaterials,
but
they
suffer
from
extremely
low
responsivity.
Organic-inorganic
hybrid
materials
combine
CPL-sensitive
absorption
induced
by
organics
efficient
charge
transport
inorganic
frameworks,
providing
an
option
direct
detection.
Here
we
report
detector
using
organic-inorganic
perovskites,
obtain
a
device
with
responsivity
797
mA
W
-1
,
detectivity
7.1
×
10
11
Jones,
3-dB
frequency
150
Hz
one-month
stability,
competitive
combined
feature
circularly
Thanks
to
solution
processing,
further
demonstrate
devices
polyethylene
terephthalate
substrate
comparable
performance.
Advanced Functional Materials,
Год журнала:
2020,
Номер
30(16)
Опубликована: Фев. 14, 2020
Abstract
Ultraviolet
photodetectors
(UV
PDs)
with
“5S”
(high
sensitivity,
high
signal‐to‐noise
ratio,
excellent
spectrum
selectivity,
fast
speed,
and
great
stability)
have
been
proposed
as
promising
optoelectronics
in
recent
years.
To
realize
high‐performance
UV
PDs,
heterojunctions
are
created
to
form
a
built‐in
electrical
field
for
suppressing
recombination
of
photogenerated
carriers
promoting
collection
efficiency.
In
this
progress
report,
the
fundamental
components
including
response
semiconductors
other
materials
functionalized
unique
effects
discussed.
Then,
strategies
building
PDs
lattice‐matched
heterojunctions,
van
der
Waals
heterostructures,
summarized.
Finally,
several
applications
based
on
heterojunction/heterostructure
discussed,
compromising
flexible
photodetectors,
logic
gates,
image
sensors.
This
work
draws
an
outline
diverse
well
basic
assembly
methods
applied
which
will
help
bring
about
new
possibilities
call
more
efforts
unleash
potential
heterojunctions.
Chemical Society Reviews,
Год журнала:
2020,
Номер
49(3), С. 951 - 982
Опубликована: Янв. 1, 2020
The
invention
and
development
of
the
laser
have
revolutionized
science,
technology,
industry.
Metal
halide
perovskites
are
an
emerging
class
semiconductors
holding
promising
potential
in
further
advancing
technology.
In
this
Review,
we
provide
a
comprehensive
overview
metal
perovskite
lasers
from
viewpoint
materials
chemistry
engineering.
After
introduction
to
physics
perovskites,
present
diverse
optical
cavities
for
lasers.
We
then
comprehensively
discuss
various
with
particular
functionalities,
including
tunable
lasers,
multicolor
continuous-wave
single-mode
subwavelength
random
polariton
arrays.
Following
description
strategies
improving
stability
reducing
toxicity
is
provided.
Finally,
future
research
directions
challenges
toward
practical
technology
applications
provided
give
outlook
on
field.
ACS Central Science,
Год журнала:
2018,
Номер
4(6), С. 668 - 679
Опубликована: Май 29, 2018
The
past
decade
has
witnessed
the
growing
interest
in
metal
halide
perovskites
as
driven
by
their
promising
applications
diverse
fields.
low
intrinsic
stability
of
early
developed
organic
versions
however
hampered
widespread
applications.
Very
recently,
all-inorganic
perovskite
nanocrystals
have
emerged
a
new
class
materials
that
hold
great
promise
for
practical
solar
cells,
photodetectors,
light-emitting
diodes,
and
lasers,
among
others.
In
this
Outlook,
we
first
discuss
recent
developments
preparation,
properties,
nanocrystals,
with
particular
focus
on
CsPbX3,
then
provide
our
view
current
challenges
future
directions
emerging
area.
Our
goal
is
to
introduce
status
type
researchers
from
different
areas
motivate
them
explore
all
potentials.
