Materials Today Sustainability,
Journal Year:
2024,
Volume and Issue:
25, P. 100664 - 100664
Published: Jan. 12, 2024
Nickel
oxide
(NiO)
semiconductor
is
an
interesting
material
in
photocatalysis
applications
due
to
its
p-type
nature
and
high
hole
concentration
properties.
These
properties
of
NiO
promote
effective
p-n
heterojunctions
interfacial
charge
carriers'
separation
transmission
efficiency
for
improved
photocatalytic
performance.
The
review
discusses
the
heterostructures
with
application
focus
photodegradation
removal
various
organic
wastewater
contaminants.
mechanism
NiO-based
photocatalysts
respect
improvements
transfer
their
redox
utilization
pollutants
discussed.
highlights
knowledge
on
interplay
correlations
electronic
band
structure
from
computational
analysis
viewpoint
via
modulation
defects
vacancies
are
highlighted.
Furthermore,
strategies
optimize
photoactivity
structural
modifications
driven
by
doping,
heterojunction
interfaces
metal
oxides
hybrid
carbon
composites
deliberated.
Finally,
overview
potentials
shortcomings
junctions
interfaced
aqua
presented
strengthen
foundation
further
design
development
new
photocatalysts.
Abstract
Integrated
photonic
devices
operating
via
optical
nonlinearities
offer
a
powerful
solution
for
all‐optical
information
processing,
yielding
processing
speeds
that
are
well
beyond
of
electronic
as
providing
the
added
benefits
compact
footprint,
high
stability,
scalability,
and
small
power
consumption.
The
increasing
demand
high‐performance
nonlinear
integrated
has
facilitated
hybrid
integration
novel
materials
to
address
limitations
existing
platforms.
Recently,
graphene
oxide
(GO),
with
its
large
nonlinearity,
flexibility
in
altering
properties,
facile
fabrication
processes,
attracted
significant
attention,
enabling
many
improved
performance
capabilities.
This
paper
reviews
applications
GO
photonics.
First,
an
overview
GO's
properties
technologies
needed
on‐chip
is
provided.
Next,
state‐of‐the‐art
reviewed,
followed
by
comparisons
different
platforms
incorporating
including
kinds
2D
materials.
Finally,
current
challenges
future
opportunities
this
field
discussed.
Advanced Materials Technologies,
Journal Year:
2023,
Volume and Issue:
8(9)
Published: Jan. 25, 2023
Abstract
Enhanced
supercontinuum
generation
(SCG)
is
experimentally
demonstrated
in
integrated
silicon
nitride
(Si
3
N
4
)
waveguides
incorporating
highly
nonlinear
graphene
oxide
(GO)
the
form
of
2D
films.
On‐chip
integration
GO
films
with
precise
control
their
thickness
realized
by
using
a
transfer‐free
and
layer‐by‐layer
coating
method.
The
film
length
position
achieved
via
window
opening
upper
silica
cladding
photonic
chips.
Detailed
SCG
measurements
are
performed
fabricated
devices
different
waveguide
geometries
thicknesses,
results
compared
without
GO.
Significantly
improved
spectral
broadening
ultrashort
optical
pulses
ultrahigh
peak
powers
exceeding
1000
W
observed
for
hybrid
devices,
achieving
up
to
2.4
times
improvement
bandwidth
relative
Theoretical
analyses
influence
thickness,
length,
position,
geometry
also
provided
fitting
experimental
theory,
showing
that
there
still
significant
room
further
improvement.
This
work
opens
new
avenue
toward
improving
performance
functional
materials.
International Journal of Extreme Manufacturing,
Journal Year:
2023,
Volume and Issue:
5(4), P. 042006 - 042006
Published: Aug. 8, 2023
Abstract
Neuromorphic
computing
systems
can
perform
memory
and
tasks
in
parallel
on
artificial
synaptic
devices
through
simulating
functions,
which
is
promising
for
breaking
the
conventional
von
Neumann
bottlenecks
at
hardware
level.
Artificial
optoelectronic
synapses
enable
synergistic
coupling
between
optical
electrical
signals
modulation,
opens
up
an
innovative
path
effective
neuromorphic
systems.
With
advantages
of
high
mobility,
transparency,
ultrawideband
tunability,
environmental
stability,
graphene
has
attracted
tremendous
interest
electronic
applications.
Recent
progress
highlights
significance
implementing
into
devices.
Herein,
to
better
understand
potential
graphene-based
devices,
fabrication
technologies
are
first
presented.
Then,
roles
various
demonstrated.
Furthermore,
their
typical
applications
reviewed.
Finally,
outlooks
development
based
proposed.
This
review
will
provide
a
comprehensive
understanding
device
applications,
also
present
outlook
future
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(9)
Published: Sept. 23, 2023
Optoelectronic
memristors
(OMs)
have
emerged
as
a
promising
optoelectronic
Neuromorphic
computing
paradigm,
opening
up
new
opportunities
for
neurosynaptic
devices
and
systems.
These
OMs
possess
range
of
desirable
features
including
minimal
crosstalk,
high
bandwidth,
low
power
consumption,
zero
latency,
the
ability
to
replicate
crucial
neurological
functions
such
vision
optical
memory.
By
incorporating
large-scale
parallel
synaptic
structures,
are
anticipated
greatly
enhance
high-performance
low-power
in-memory
computing,
effectively
overcoming
limitations
von
Neumann
bottleneck.
However,
progress
in
this
field
necessitates
comprehensive
understanding
suitable
structures
techniques
integrating
low-dimensional
materials
into
integrated
circuit
platforms.
This
review
aims
offer
overview
fundamental
performance,
mechanisms,
design
applications,
integration
roadmap
memristors.
establishing
connections
between
materials,
multilayer
memristor
units,
monolithic
circuits,
seeks
provide
insights
emerging
technologies
future
prospects
that
expected
drive
innovation
widespread
adoption
near
future.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(35), P. 23416 - 23424
Published: Jan. 1, 2024
Herein,
we
report
a
two-step
electrochemical
approach
encompassing
pre-intercalation
and
post-exfoliation/oxidation,
enabling
the
mass
exfoliation
of
graphene
oxide
with
customizable
oxidation
levels
on
timescale
minutes.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Jan. 2, 2024
Abstract
Graphene
oxide
(GO)
is
a
monolayer
of
oxidized
graphene
which
convenient
and
potential
candidate
in
wide
range
fields
applications
like
electronics,
photonics,
optoelectronics,
energy
storage,
catalysis,
chemical
sensors,
many
others.
GO
often
composed
various
oxygen-containing
groups
such
as
hydroxyl,
carboxyl,
epoxy.
One
appealing
method
for
achieving
graphene-like
behavior
with
sp
2
hybridized
carbon
the
reduction
i.e.
formation
reduced
(RGO).
A
stepwise
to
form
family
RGO,
containing
quantities
oxygen-related
defects
was
carried
out.
Herein,
related
physical
properties
RGO
were
studied
reported
an
effort
understand
how
vary
rate.
Although
there
are
several
reports
on
features
but
systematic
investigation
variation
varying
oxygeneous
imperative
engineered
desired
field
applications.
We
have
attempted
look
at
role
3
fractions,
present
RGO-based
systems,
they
affect
electrical,
optoelectronic,
adsorption
characteristics.
