Journal of Semiconductors,
Journal Year:
2025,
Volume and Issue:
46(1), P. 011608 - 011608
Published: Jan. 1, 2025
Abstract
Photodetectors
with
weak-light
detection
capabilities
play
an
indispensable
role
in
various
crucial
fields
such
as
health
monitors,
imaging,
optical
communication,
and
etc.
Nevertheless,
the
of
weak
light
signals
is
often
severely
interfered
by
multiple
factors
background
light,
dark
noise
circuit
noise,
making
it
difficult
to
accurately
capture
signals.
While
traditional
technologies
like
silicon
photomultiplier
tubes
excel
sensitivity,
their
high
cost
inherent
fragility
restrict
widespread
application.
Against
this
background,
perovskite
materials
have
rapidly
emerged
a
research
focus
field
photodetection
due
simple
preparation
processes
exceptional
optoelectronic
properties.
Not
only
are
straightforward
cost-effective,
but
more
importantly,
they
can
be
flexibly
integrated
into
flexible
stretchable
substrates.
This
characteristic
significantly
compensates
for
shortcomings
rigid
electronic
devices
specific
application
scenarios,
opening
up
entirely
new
possibilities
technology.
Herein,
recent
advances
technology
reviewed.
Firstly,
chemical
physical
properties
discussed,
highlighting
remarkable
advantages
detection.
Subsequently,
review
systematically
organizes
techniques
analyses
different
scenarios.
Meanwhile,
from
two
core
dimensions
performance
improvement
absorption
enhancement,
key
strategies
improving
photodetectors
explored.
Finally,
concludes
brief
summary
discussion
on
potential
challenges
that
may
arise
further
development
devices.
Nanomaterials,
Journal Year:
2022,
Volume and Issue:
12(24), P. 4390 - 4390
Published: Dec. 9, 2022
Perovskite
photodetectors
have
attracted
much
research
and
attention
because
of
their
outstanding
photoelectric
characteristics,
such
as
good
light
harvesting
capability,
excellent
carrier
migration
behavior,
tunable
band
gap,
so
on.
Recently,
the
reported
studies
mainly
focus
on
materials
synthesis,
device
structure
design,
interface
engineering
physical
mechanism
analysis
to
improve
including
stability,
sensitivity,
response
speed,
noise,
etc.
This
paper
systematically
summarizes
application
fields
structures
several
perovskite
photodetectors,
photoconductors,
photodiodes,
phototransistors.
Moreover,
based
molecular
structure,
3D,
2D,
1D,
0D
are
introduced
in
detail.
The
achievements
applications
summarized.
Eventually,
future
directions
main
challenges
prospected,
some
possible
solutions
proposed.
aim
work
is
provide
a
new
thinking
direction
for
further
improving
performance
photodetectors.
Small,
Journal Year:
2023,
Volume and Issue:
19(37)
Published: April 22, 2023
Perovskite-based
photodetectors
exhibit
potential
applications
in
communication,
neuromorphic
chips,
and
biomedical
imaging
due
to
their
outstanding
photoelectric
properties
facile
manufacturability.
However,
few
of
perovskite-based
focus
on
ultraviolet-visible-short-wavelength
infrared
(UV-Vis-SWIR)
broadband
photodetection
because
the
relatively
large
bandgap.
Moreover,
such
with
individual
nanocrystal
channel
featuring
monolithic
integration
functional
electronic/optical
components
have
hardly
been
explored.
Herein,
an
monocrystalline
MAPbBr3
nanoplate-based
photodetector
is
demonstrated
that
simultaneously
achieves
efficient
UV-Vis-SWIR
detection
fast-response.
Nanoplate
(NPDs)
are
prepared
by
assembling
single
nanoplate
adjacent
gold
electrodes.
NPDs
high
external
quantum
efficiency
(EQE)
detectivity
1200%
5.37
×
1012
Jones,
as
well
fast
response
rise
time
80
µs.
Notably,
achieve
EQE
response,
exceeding
most
perovskite
devices
multi-nanocrystal
channel.
Benefiting
from
specific
surface
area
surface-trap-assisted
absorption,
performance
near-infrared
SWIR
spectral
region
850-1450
nm.
Unencapsulated
show
UV-laser-irradiation
endurance
decent
periodicity
repeatability
after
29-day-storage
atmospheric
environment.
Finally,
demonstrated.
This
work
verifies
photodetection,
stimulates
various
devices.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(10)
Published: Nov. 30, 2023
Abstract
Mixed‐dimensional
heterostructures
provide
additional
freedom
to
construct
diverse
functional
electronic
and
optoelectronic
devices,
gaining
significant
interest.
Herein,
highly‐aligned
pseudo‐1D
tellurium
is
epitaxially
grown
on
2D
monolayer
transition
metal
dichalcogenides
(TMDs),
including
MoSe
2
,
MoS
WS
.
A
one‐pot
chemical
vapor
deposition
(CVD)
technique
eliminates
the
normally
required
transfer
steps,
thereby
producing
mixed‐dimensional
with
an
ultraclean
interface.
The
controllable
epitaxial
growth
of
Te/TMD
are
verified
by
Raman,
scanning
probe
microscopy
(SPM),
transmission
electron
(TEM)
observation.
photoluminescence
results
indicate
that
emission
from
TMDs
quenched
in
heterostructure,
confirming
efficient
photogenerated
carriers
Te.
Additionally,
p
‐
n
Te/MoSe
heterojunction
photodetector
presents
self‐driven
behavior
high
responsivity
(328
mA
W
−1
),
external
quantum
efficiency
(79%),
specific
detectivity
(8.2
×
10
9
Jones).
modified
facile
synthesis
strategy
proposed
mechanism
this
study
shed
light
synthesizing
heterojunctions.
This
opens
avenues
for
fabricating
devices
reduced
sizes
densities,
further
enabling
miniaturization
integration
opportunities.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(13)
Published: Dec. 20, 2023
Metal
halide
perovskite
films
have
gained
significant
attention
because
of
their
remarkable
optoelectronic
performances.
However,
poor
stability
upon
the
severe
environment
appears
to
be
one
main
facets
that
impedes
further
commercial
applications.
Herein,
a
method
improve
flexible
photodetectors
under
water
and
humidity
without
encapsulation
is
reported.
The
devices
are
fabricated
using
physical
vapor
deposition
(Pulse
Laser
Deposition
&
Thermal
Evaporation)
high-vacuum
conditions.
An
amorphous
organic
Rubrene
film
with
low
molecular
polarity
high
elastic
modulus
serves
as
both
protective
layer
hole
transport
layer.
After
immersed
in
for
6000
min,
photoluminescence
intensity
attenuation
only
decreased
by
maximum
10%.
demonstrator
device,
based
on
Rubrene/CsPbBr
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 5, 2024
Abstract
Recently,
metasurface‐based
photodetectors
(metaphotodetectors)
have
been
developed
and
applied
in
various
fields.
Metasurfaces
are
artificial
materials
with
unique
properties
that
emerged
over
the
past
decade,
powerful
tools
used
to
quantify
incident
electromagnetic
wave
information
by
measuring
changes
conductivity
of
irradiated
materials.
Through
an
efficient
microstructural
design,
metasurfaces
can
effectively
regulate
numerous
characteristics
waves
demonstrated
advantages
fields,
including
holographic
projection,
stealth,
biological
image
enhancement,
sensing,
energy
absorption
applications.
Photodetectors
play
a
crucial
role
military
civilian
applications;
therefore,
essential
for
optical
communications,
imaging
technology,
spectral
analysis.
Metaphotodetectors
considerably
improved
sensitivity
noise‐equivalent
power
miniaturization
conventional
photodetectors.
This
review
summarizes
metaphotodetectors
based
on
five
aspects.
Furthermore,
applications
fields
civil
applications,
systematically
discussed.
It
highlights
potential
future
developmental
trends
metaphotodetectors,
provides
systematic
guidance
their
development,
establishes
as
promising
technology.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Sept. 30, 2024
Abstract
The
rapid
advancement
of
nanotechnology
has
sparked
much
interest
in
applying
nanoscale
perovskite
materials
for
photodetection
applications.
These
are
promising
candidates
next-generation
photodetectors
(PDs)
due
to
their
unique
optoelectronic
properties
and
flexible
synthesis
routes.
This
review
explores
the
approaches
used
development
use
devices
made
different
architectures,
including
quantum
dots,
nanosheets,
nanorods,
nanowires,
nanocrystals.
Through
a
thorough
analysis
recent
literature,
also
addresses
common
issues
like
mechanisms
underlying
degradation
PDs
offers
perspectives
on
potential
solutions
improve
stability
scalability
that
impede
widespread
implementation.
In
addition,
it
highlights
encompasses
detection
light
fields
dimensions
other
than
intensity
suggests
avenues
future
research
overcome
these
obstacles
fully
realize
state-of-the-art
systems.
provides
comprehensive
overview
guides
efforts
towards
improved
performance
wider
applicability,
making
valuable
resource
researchers.
Critical reviews in solid state and materials sciences/CRC critical reviews in solid state and materials sciences,
Journal Year:
2024,
Volume and Issue:
49(6), P. 999 - 1085
Published: Jan. 11, 2024
The
unprecedented
demand
for
sophisticated,
self-powered,
compact,
ultrafast,
cost-effective,
and
broadband
light
sensors
a
myriad
of
applications
has
spurred
lot
research,
precipitating
in
slew
studies
over
the
last
decade.
Apart
from
photosensing
ability
an
active
element
sensor,
device
architecture
is
crucial
terms
photoinduced
charge
carrier
generation
separation.
Since
inception
graphene
subsequent
research
growth
atomically
thin
2D
materials,
researchers
have
developed
adapted
different
families
materials
architectures,
including
single
2D,
0D/2D,
2D/2D,
1D/2D
stacked
structures,
so
on.
This
review
discusses
recent
reports
on
light-sensing
properties
various
their
heterostructures,
characteristics
applicable
to
ultraviolet-near
infrared
(UV-NIR),
short-wave
IR
(SWIR),
mid-wave
(MWIR),
long-wave
(LWIR),
terahertz
(THz)
spectral
ranges.
It
highlights
novelty
burgeoning
field,
heightened
activity
at
boundaries
engineering
science,
particularly
carriers,
separation,
extraction,
increased
understanding
underpinning
science
through
modern
experimental
approaches.
Devices
based
simultaneous
effects
pyro-phototronic
effect
(PPE)
localized
surface
plasmon
resonance
(LSPR)
effect,
photothermoelectric
(PTE)-assisted
photodetectors
(PDs),
waveguide-integrated
silicon-2D
PDs,
metal-2D-metal
organic
material
PDs
are
examined
rigorously.
Theoretical
treatment
utilizing
computational
approaches
investigate
heterostructures
photodetection
also
briefly
discussed.
At
end,
current
challenges
solutions
enhance
figures
merit
proposed.
Journal of Materials Chemistry C,
Journal Year:
2023,
Volume and Issue:
11(9), P. 3314 - 3324
Published: Jan. 1, 2023
Molecular
engineering
contributes
to
a
well-aligned
stacking
of
low-dimensional
compositions
in
quasi-two-dimensional
perovskite
thin-films,
resulting
high
performance
and
stable-operation
photodetectors
across
the
whole
visible
range.
Small Methods,
Journal Year:
2023,
Volume and Issue:
8(2)
Published: April 10, 2023
Abstract
2D
Ruddlesden‐Popper
Sn‐based
perovskite
has
excellent
optoelectronic
properties
and
weak
halide
ion
migration
characteristics,
making
it
an
ideal
candidate
for
light
detection,
which
great
potential
in
communication,
medical
applications.
Although
photodetectors
are
developed,
detection
is
not
demonstrated
yet.
Herein,
a
high‐performance
self‐powered
photodetector
with
the
capability
to
detect
ultra‐weak
signals
designed
based
on
vertical
PEA
2
SnI
4
/Si
nanowires
heterojunction.
Due
low
dark
current
high
absorption
efficiency,
devices
present
remarkable
responsivity
of
42.4
mA
W
−1
,
detectivity
8
×
10
11
Jones,
ultralow
noise
2.47
−13
A
Hz
−1/2
.
Especially,
device
exhibits
on–off
ratio
18.6
at
as
4.60
nW
cm
−2
revealing
capacity
light.
The
applied
signal
receiver
realized
image
transmission
communication
system.
Moreover,
high‐resolution
reflection
imaging
multispectral
obtained
using
sensor
These
results
reveal
that
‐based
low‐noise
possess
enormous
future
detection.