Nano-Micro Letters,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: April 16, 2025
Abstract
Diamond,
an
ultrawide-bandgap
semiconductor
material,
is
promising
for
solar-blind
ultraviolet
photodetectors
in
extreme
environments.
However,
when
exposed
to
high-temperature
conditions,
diamond
photodetector
surfaces
are
unavoidably
terminated
with
oxygen,
leading
low
photoresponsivity.
To
address
this
limitation,
single-crystalline
nanowires
(DNWs)
embedded
platinum
(Pt)
nanoparticles
were
developed
using
Pt
film
deposition
followed
by
chemical
vapor
(CVD)
homoepitaxial
growth.
During
the
CVD,
(approximately
20
nm
diameter)
undergo
dewetting
and
become
uniformly
within
DNWs.
Photodetectors
fabricated
these
nanoparticles-embedded
DNWs
achieve
a
responsivity
of
68.5
A
W
−1
under
220
illumination
at
room
temperature,
representing
improvement
approximately
2000
times
compared
oxygen-terminated
bulk
devices.
Notably,
further
increases
reaching
exceptional
value
3098.7
275
°C.
This
outstanding
performance
attributed
synergistic
effects
one-dimensional
nanowire
structure,
deep-level
defects,
localized
surface
plasmon
resonance
induced
nanoparticles,
Schottky
junctions
Pt/diamond
interface,
which
enhance
optical
absorption,
carrier
generation,
separation
efficiency.
These
results
highlight
significant
potential
advanced
deep
detection
harsh
environments,
including
aerospace,
industrial
monitoring,
other
applications.
InfoMat,
Journal Year:
2024,
Volume and Issue:
6(5)
Published: March 28, 2024
Abstract
Near‐infrared
(NIR)
luminescent
metal
halide
(LMH)
materials
have
attracted
great
attention
in
various
optoelectronic
applications
due
to
their
low‐temperature
solution‐processable
synthesis,
abundant
crystallographic/electronic
structures,
and
unique
properties.
However,
some
challenges
still
remain
luminescence
design,
performance
improvement,
application
assignments.
This
review
systematically
summarizes
the
development
of
NIR
LMHs
through
classifying
origins
into
four
major
categories:
band‐edge
emission,
self‐trapped
exciton
(STE)
ion
defect‐related
emission.
The
mechanisms
different
types
are
discussed
detail
by
analyzing
typical
examples.
Reasonable
strategies
for
designing
optimizing
luminescence/optoelectronic
properties
summarized,
including
bandgap
engineering,
self‐trapping
state
chemical
composition
modification,
energy
transfer,
other
auxiliary
such
as
improvement
synthesis
scheme
post‐processing.
Furthermore,
prospects
based
on
devices
revealed,
phosphor‐converted
light‐emitting
diodes
(LEDs),
electroluminescent
LEDs,
photodetectors,
solar
cells,
x‐ray
scintillators,
well
demonstrations
related
practical
applications.
Finally,
existing
future
perspectives
LMH
critically
proposed.
aims
provide
general
understanding
guidance
design
high‐performance
materials.
image
Polarized
photodetectors
based
on
anisotropic
two-dimensional
(2D)
materials
display
great
potential
applications
in
communications
and
optoelectronics.
However,
the
existence
of
high
dark
current,
low
ratio,
response
speed
limits
their
development.
In
this
paper,
a
broadband
polarization
angle-dependent
photodetector
PdSe
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 5, 2024
Abstract
Photodetectors
are
one
of
the
most
critical
components
for
future
optoelectronic
systems
and
it
undergoes
significant
advancements
to
meet
growing
demands
diverse
applications
spanning
spectrum
from
ultraviolet
(UV)
terahertz
(THz).
2D
materials
very
attractive
photodetector
because
their
distinct
optical
electrical
properties.
The
atomic‐thin
structure,
high
carrier
mobility,
low
van
der
Waals
(vdWs)
interaction
between
layers,
relatively
narrower
bandgap
engineered
through
engineering,
absorption
coefficient
significantly
benefit
chip‐scale
production
integration
materials‐based
photodetectors.
extremely
sensitive
detection
at
ambient
temperature
with
ultra‐fast
capabilities
is
made
possible
adaptability
materials.
Here,
recent
progress
photodetectors
based
on
materials,
covering
UV
THz
reported.
In
this
report,
light
first
deliberated
in
terms
physics.
Then,
various
mechanisms
which
detectors
work,
important
performance
parameters,
fruitful
fabrication
methods,
fundamental
properties
types
detectors,
different
strategies
improve
performance,
discussed.
Sensors and Actuators Reports,
Journal Year:
2024,
Volume and Issue:
7, P. 100201 - 100201
Published: May 17, 2024
The
distinct
presence
of
a
central
atom
surrounded
by
eight
ligands
leads
to
higher
light
absorption
and
charge
carrier
mobility
in
perovskite
materials.
peculiar
nature
the
structure
inspires
all
scientists
researchers
work
more
sustainable
applications,
such
as
solar
cells,
emitting
diodes,
transistor
biosensors.
capability
material
detecting
smaller
molecules
O2,
NO2
CO2
is
higher.
Therefore,
several
biosensors
are
demonstrated
based
on
nanomaterial
various
chemical
biological
species
with
both
solid
solution
states.
immense
sources
research
articles
thrived
author,
review
nanomaterials
dimension
biosensor
application
extensively.
This
covers
major
three
areas
nanomaterial,
components
characteristics
biosensors,
properties
preparation
materials
trends
nanostructure
biosensor.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: July 25, 2024
The
unique
and
interesting
physical
chemical
properties
of
metal-organic
framework
(MOF)
materials
have
recently
attracted
extensive
attention
in
a
new
generation
photoelectric
applications.
In
this
review,
we
summarized
discussed
the
research
progress
on
MOF-based
photodetectors.
methods
preparing
photodetectors
various
types
MOF
single
crystals
thin
film
as
well
composites
are
introduced
details.
Additionally,
applications
for
X-ray,
ultraviolet
infrared
light,
biological
detectors,
circularly
polarized
light
discussed.
Furthermore,
summaries
challenges
provided
important
field.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 10, 2024
The
use
of
optoelectronic
devices
for
high-speed
and
low-power
data
transmission
computing
has
been
considered
in
the
next-generation
logic
circuits.
Heterostructures,
which
can
generate
transmit
photoresponse
signals
dealing
with
different
input
lights,
are
highly
desirable
gates.
Here,
printed
on-chip
perovskite
heterostructures
demonstrated
to
achieve
optical-controlled
"AND"
"OR"
Perovskite
a
high
degree
control
over
composition,
site,
crystallization.
Different
regions
exhibit
distinguishable
varied
wavelengths
be
utilized
functions.
Correspondingly,
parallel
operations
two
gates
("AND"
"OR")
by
way
choosing
output
electrodes
under
single
heterostructure.
Benefiting
from
uniform
crystallization
strict
alignment
heterostructures,
integrated
3×3
pixels
all
100%
operation
accuracy.
Finally,
responding
multi-wavelength
light
on
predesigned
micro-electrodes
as
This
printing
strategy
allows
integrating
heterostructure-based
optical
electronic
unit-scale
device
system-scale
device.
article
is
protected
copyright.
All
rights
reserved.
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.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Abstract
Perovskite
photodetectors
with
superior
optoelectronic
properties,
lightweight,
and
compatibility
flexible
substrates
have
attracted
much
attention
in
wearable
electronics.
However,
the
large
bandgap,
inherent
brittleness,
poor
environmental
stability,
weak
interfacial
adhesion
interaction
between
perovskites
hinder
application
of
near‐infrared
(NIR)
devices.
Herein,
a
universal
strategy
to
enhance
performance
mechanical
stability
perovskite
NIR
photodetector
arrays
is
demonstrated
through
combination
mussel‐inspired
self‐assembled
monolayer
(SAM)
bridging
interface
precise
modulation
nano‐array
size,
which
enables
significantly
increase
adhesion,
crystallinity,
crystallographic
orientation,
reduce
stresses
single‐crystal
arrays.
Moreover,
inserting
paddle‐wheel
metal–organic
cluster
ligands
lead
an
unprecedented
small
bandgap
1.04
eV,
enhanced
lattice
rigidity,
for
2D
perovskite.
The
robustness
record
are
revealed
maximum
response
wavelength
1050
nm,
responsivity
1.66
A
W
−1
,
detectivity
6.19
×
10
12
Jones,
high
fidelity
imaging,
extra‐long
stability.
This
work
pioneers
new
insight
into
integration
high‐performance
mechanically
durable