Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(2)
Published: July 15, 2023
Abstract
Atomically
thin
two‐dimensional
(2D)
oxide
crystals
have
garnered
considerable
attention
because
of
their
remarkable
physical
properties
and
potential
for
versatile
applications.
In
recent
years,
significant
advancements
been
made
in
the
design,
preparation,
application
ultrathin
2D
oxides,
providing
many
opportunities
new‐generation
advanced
technologies.
This
review
focuses
on
controllable
preparation
applications
electronic
optoelectronic
devices.
Based
bonding
nature,
various
types
are
first
summarized,
including
both
layered
nonlayered
crystals,
as
well
current
top‐down
bottom‐up
synthetic
approaches.
Subsequently,
terms
unique
electrical
advances
device
emphasized,
photodetectors,
field‐effect
transistors,
dielectric
layers,
magnetic
ferroelectric
devices,
memories,
gas
sensors.
Finally,
conclusions
future
prospects
presented.
It
is
hoped
that
this
will
provide
comprehensive
insightful
guidance
development
Chemical Society Reviews,
Journal Year:
2022,
Volume and Issue:
51(4), P. 1253 - 1276
Published: Jan. 1, 2022
The
surfaces
of
liquid
metals
can
serve
as
a
platform
to
synthesise
two-dimensional
materials.
By
exploiting
the
self-limiting
Cabrera-Mott
oxidation
reaction
that
takes
place
at
surface
exposed
ambient
air,
an
ultrathin
oxide
layer
be
synthesised
and
isolated.
Several
synthesis
approaches
based
on
this
phenomenon
have
been
developed
in
recent
years,
resulting
diverse
family
functional
2D
materials
covers
significant
fraction
periodic
table.
These
straightforward
inherently
scalable
techniques
may
enable
fabrication
novel
devices
thus
harbour
application
potential.
This
review
provides
brief
introduction
their
alloys,
followed
by
detailed
guidance
each
technique,
post-growth
processing
methods,
integration
processes,
well
potential
applications
Journal of Hazardous Materials Advances,
Journal Year:
2024,
Volume and Issue:
13, P. 100401 - 100401
Published: Jan. 13, 2024
Bio-synthesized
metal
oxide
(MeO)
nanoparticles
(NPs)
have
triggered
a
huge
global
research
interest
owing
to
their
advancement
and
various
environmental
remediation,
personal
care
products,
medical,
energy,
sensing,
water
treatment
applications.
They
demonstrate
developing
assets
in
industries,
remarkably
with
heightened
physicochemical,
optical,
mechanical,
electronic
attributes.
The
physical
chemical
routes
been
sticking
point
the
production
of
MeO
NPs,
natural
risks
linked
utilizing
these
approaches.
growth
NPs
via
biologic
method
employing
plants
microorganisms
as
precursor
material
for
metal-ions
(MIs)
reduction
stabilization
has
focus
scientists
recent
years.
Hence,
this
review,
comprehensive
brief
bio-synthesis
approaches
using
plant
extracts
(PEs)
microorganism
components
well
factors
affecting
bio-production
applications
toxicity
were
considered.
Nano Convergence,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: July 30, 2024
Abstract
Electrochemical
energy
systems
mark
a
pivotal
advancement
in
the
sector,
delivering
substantial
improvements
over
conventional
systems.
Yet,
major
challenge
remains
deficiency
storage
technology
to
effectively
retain
produced.
Amongst
these
are
batteries
and
supercapacitors,
renowned
for
their
versatility
efficiency,
which
depend
heavily
on
quality
of
electrode
materials.
Metal
oxide
composites,
particular,
have
emerged
as
highly
promising
due
synergistic
effects
that
significantly
enhance
functionality
efficiency
beyond
individual
components.
This
review
explores
application
metal
composites
electrodes
SCs,
focusing
various
material
perspectives
synthesis
methodologies,
including
exfoliation
hydrothermal/solvothermal
processes.
It
also
examines
how
methods
influence
device
performance.
Furthermore,
confronts
challenges
charts
future
directions
composite-based
systems,
critically
evaluating
aspects
such
scalability
synthesis,
cost-effectiveness,
environmental
sustainability,
integration
with
advanced
nanomaterials
electrolytes.
These
factors
crucial
advancing
next-generation
technologies,
striving
performance
while
upholding
sustainability
economic
viability.
Structural
symmetry
breaking
in
two-dimensional
materials
can
lead
to
superior
physical
properties
and
introduce
an
additional
degree
of
piezoelectricity.
In
the
present
paper,
we
propose
three
structural
phases
($1H,
1T$,
$1{T}^{\ensuremath{'}}$)
Janus
$\mathrm{W}X\mathrm{O}$
($X=\mathrm{S}$,
Se,
Te)
monolayers
investigate
their
vibrational,
thermal,
elastic,
piezoelectric,
electronic
by
using
first-principles
methods.
Phonon
spectra
analysis
reveals
that
while
$1H$
phase
is
dynamically
stable,
$1T$
exhibits
imaginary
frequencies
transforms
distorted
$1{T}^{\ensuremath{'}}$
phase.
Ab
initio
molecular
dynamics
simulations
confirm
$1H$-
$1{T}^{\ensuremath{'}}\text{\ensuremath{-}}\mathrm{W}X\mathrm{O}$
are
thermally
stable
even
at
high
temperatures
without
any
significant
deformations.
Different
from
binary
systems,
Raman
active
modes
appear
upon
formation
monolayers.
Although
mechanical
$1H\text{\ensuremath{-}}\mathrm{W}X\mathrm{O}$
found
be
isotropic,
they
orientation
dependent
for
$1{T}^{\ensuremath{'}}\text{\ensuremath{-}}\mathrm{W}X\mathrm{O}$.
It
also
shown
indirect
band-gap
semiconductors
band
gap
narrows
down
chalcogen
group.
Except
$1{T}^{\ensuremath{'}}$-WSO,
have
a
narrow
correlated
with
Peierls
distortion.
The
effect
spin-orbit
coupling
on
structure
examined
both
alteration
estimated.
versatile
together
large
piezoelectric
response
imply
these
systems
interesting
several
nanoelectronic
applications.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
51(2), P. 650 - 671
Published: Dec. 21, 2021
The
piezoelectric
effect,
mechanical-to-electrical
and
electrical-to-mechanical
energy
conversion,
is
highly
beneficial
for
functional
responsive
electronic
devices.
To
fully
exploit
this
property,
miniaturization
of
materials
the
subject
intense
research.
Indeed,
select
atomically
thin
2D
strongly
exhibit
effect.
family
crystals
consists
over
7000
chemically
distinct
members
that
can
be
further
manipulated
in
terms
strain,
functionalization,
elemental
substitution
(i.e.
Janus
crystals),
defect
engineering
to
induce
a
response.
Additionally,
most
stack
with
other
similar
or
dissimilar
form
much
greater
number
complex
heterostructures
whose
properties
are
quite
different
those
individual
constituents.
unprecedented
flexibility
tailoring
crystal
properties,
coupled
their
minimal
thickness,
make
these
emerging
attractive
advanced
applications
include
pressure
sensing,
piezocatalysis,
piezotronics,
harvesting.
This
review
summarizes
literature
on
piezoelectricity,
particularly
out-of-plane
vast
as
well
heterostructures.
It
also
describes
methods
induce,
enhance,
control
properties.
volume
data
role
machine
learning
predicting
piezoelectricity
discussed
detail,
prospective
outlook
field
provided.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
34(16)
Published: Dec. 28, 2021
Although
one
of
the
most
mature
battery
technologies,
lithium-ion
batteries
still
have
many
aspects
that
not
reached
desired
requirements,
such
as
energy
density,
current
safety,
environmental
compatibility,
and
price.
To
solve
these
problems,
all-solid-state
lithium
(ASSLB)
based
on
metal
anodes
with
high
density
safety
been
proposed
become
a
research
hotpot
in
recent
years.
Due
to
advanced
electrochemical
properties
2D
materials
(2DM),
they
applied
mitigate
some
problems
ASSLBs,
interface
impedance
low
electrolyte
ionic
conductivity.
In
this
work,
background
fabrication
method
2DMs
are
reviewed
initially.
The
improvement
strategies
categorized
their
application
three
main
components
ASSLBs:
anode,
cathode,
electrolyte.
Finally,
elucidate
mechanisms
role
situ
characterization,
synchrotron
X-ray
techniques,
other
characterization
discussed.
npj Computational Materials,
Journal Year:
2021,
Volume and Issue:
7(1)
Published: Nov. 16, 2021
Abstract
Activation
of
p
-block
elements
to
replace
the
rare
and
precious
transition
metals
for
renewable
energy
applications
is
highly
desirable.
In
this
review,
we
go
over
recent
experimental
theoretical
progress
on
low-dimensional
non-metal
materials
clean
production,
including
carbon,
silicon,
oxide,
boron,
phosphorus-based
nanostructures,
with
serving
as
active
sites.
We
aim
elucidate
mechanism
triggering
activity
in
different
kinds
systems,
extract
general
principles
controlling
-orbital-mediated
reactivity
from
a
point
view.
The
perspectives
challenges
developing
high-efficiency
catalysts
are
provided
end.
