Advanced Functional Materials,
Год журнала:
2023,
Номер
33(16)
Опубликована: Фев. 12, 2023
Abstract
Van
der
Waals
(vdW)
materials
of
transition
metal
dichalcogenides
(TMD)
family
with
semiconducting
properties
are
currently
at
the
forefront
research
in
field
optoelectronics.
The
ability
to
couple
them
one
another
atomic
interface
precision
a
synergistic
way
opens
up
unprecedented
opportunities
design
photodetectors
broad
spectral
range
excellent
figures
merits
not
accessible
discrete
materials.
Recent
years
have
seen
surge
interest
group
VII
TMD
(ReS
2
and
ReSe
)
due
their
strong
optical
response
from
bulk
monolayer
good
ambient
stability.
Their
band
gap
energies
spanning
over
visible
near‐infrared
ranges
linear
polarization
sensitivity
stemming
distorted
octahedral
symmetry,
ideally
suited
for
polarization‐sensitive
photodetectors.
This
review
aims
providing
comprehensive
understanding
fundamental
properties,
identification
various
structural
features,
long‐debated
question
nature
interlayer
coupling,
recent
advances
development
based
on
ReS
,
vdW
heterostructures
other
layered
practical
importance.
We
critically
conceptual
device
designs
implemented
engineering,
emphasize
these
potential
applications,
provide
an
outlook
future
prospects.
Chemical Reviews,
Год журнала:
2022,
Номер
122(6), С. 6514 - 6613
Опубликована: Фев. 8, 2022
A
grand
family
of
two-dimensional
(2D)
materials
and
their
heterostructures
have
been
discovered
through
the
extensive
experimental
theoretical
efforts
chemists,
material
scientists,
physicists,
technologists.
These
pioneering
works
contribute
to
realizing
fundamental
platforms
explore
analyze
new
physical/chemical
properties
technological
phenomena
at
micro-nano-pico
scales.
Engineering
2D
van
der
Waals
(vdW)
via
chemical
physical
methods
with
a
suitable
choice
stacking
order,
thickness,
interlayer
interactions
enable
exotic
carrier
dynamics,
showing
potential
in
high-frequency
electronics,
broadband
optoelectronics,
low-power
neuromorphic
computing,
ubiquitous
electronics.
This
comprehensive
review
addresses
recent
advances
terms
representative
materials,
general
fabrication
methods,
characterization
techniques
vital
role
parameters
affecting
quality
heterostructures.
The
main
emphasis
is
on
3D-bulk
(3D)
hybrid
systems
exhibiting
intrinsic
quantum
mechanical
responses
optical,
valley,
topological
states.
Finally,
we
discuss
universality
applications
trends
for
future
electronics
optoelectronics
(FEO)
under
challenges
opportunities
from
physical,
nanotechnological,
synthesis
perspectives.
Proceedings of the National Academy of Sciences,
Год журнала:
2021,
Номер
118(50)
Опубликована: Дек. 3, 2021
Near
the
100th
anniversary
of
discovery
ferroelectricity,
so-called
sliding
ferroelectricity
has
been
proposed
and
confirmed
recently
in
a
series
experiments
that
have
stimulated
remarkable
interest.
Such
exists
widely
only
two-dimensional
(2D)
van
der
Waals
stacked
layers,
where
vertical
electric
polarization
is
switched
by
in-plane
interlayer
sliding.
Reciprocally,
"ripplocation"
domain
wall
can
be
driven
an
external
field.
The
unique
combination
intralayer
stiffness
slipperiness
2D
layers
greatly
facilitates
such
switching
while
still
maintaining
environmental
mechanical
robustness
at
ambient
conditions.
In
this
perspective,
we
discuss
progress
future
opportunities
behavior.
origin
as
well
general
rule
for
judging
its
existence
are
summarized,
stacking
sequence
crucial
formation.
This
broadens
ferroelectrics
from
very
few
material
candidates
to
most
known
materials.
Their
low
barriers
enable
high-speed
data
writing
with
energy
cost.
Related
physics
like
Moiré
ferroelectric
nonlinear
anomalous
Hall
effect,
multiferroic
coupling
discussed.
For
valleytronics,
nontrivial
band
topology
superconductivity,
their
possible
couplings
via
certain
or
also
deserve
We
provide
critical
reviews
on
current
challenges
emerging
area.
Advanced Materials,
Год журнала:
2022,
Номер
34(23)
Опубликована: Май 3, 2022
2D
MBenes,
early
transition
metal
borides,
are
a
very
recent
derivative
of
ternary
or
quaternary
boride
(MAB)
phases
and
represent
new
member
in
the
flatland.
Although
holding
great
potential
toward
various
applications,
mainly
theoretical
knowledge
about
their
properties
is
available.
Theoretical
calculations
preliminary
experimental
attempts
demonstrate
rich
chemistry,
excellent
reactivity,
mechanical
strength/stability,
electrical
conductivity,
properties,
energy
harvesting
possibility.
Compared
to
MXenes,
MBenes'
structure
appears
be
more
complex
due
multiple
crystallographic
arrangements,
polymorphism,
structural
transformations.
This
makes
synthesis
subsequent
delamination
into
single
flakes
challenging.
Overcoming
this
bottleneck
will
enable
rational
control
over
material-structure-property
relationship.
Innovations
postprocessing
approaches
allow
for
design
functional
systems
devices
with
multipurpose
functionalities
thus
opening
promising
paradigm
conscious
high-performance
materials.
Abstract
Metallic
MoS
2
(i.e.,
1T‐MoS
)
is
considered
as
the
most
promising
precious‐metal‐free
electrocatalyst
with
outstanding
hydrogen
evolution
reaction
(HER)
performance
in
acidic
media
comparable
to
Pt.
However,
sluggish
kinematics
of
HER
alkaline
and
its
inability
for
oxygen
(OER),
hamper
development
bifunctional
catalysts.
The
instability
further
impedes
applications
scaling
up,
calling
an
urgent
need
simple
synthesis
produce
stable
.
In
this
work,
challenge
first
addressed
using
a
direct
one‐step
hydrothermal
method
by
adopting
ascorbic
acid.
flower‐like
morphology
obtained,
transition
metals
(Ni,
Co,
Fe)
are
simultaneously
doped
into
Ni‐1T‐MoS
achieves
enhanced
catalytic
activity
both
OER
media,
where
key
role
Ni
doping
single
atom
proved
be
essential
boosting
HER/OER
activity.
Finally,
||Ni‐1T‐MoS
electrolyzer
fabricated,
reaching
current
density
10
mA
cm
−2
at
applied
cell
voltage
only
1.54
V
overall
water
splitting.
Chemical Reviews,
Год журнала:
2023,
Номер
123(23), С. 13489 - 13692
Опубликована: Ноя. 14, 2023
As
a
key
structural
parameter,
phase
depicts
the
arrangement
of
atoms
in
materials.
Normally,
nanomaterial
exists
its
thermodynamically
stable
crystal
phase.
With
development
nanotechnology,
nanomaterials
with
unconventional
phases,
which
rarely
exist
their
bulk
counterparts,
or
amorphous
have
been
prepared
using
carefully
controlled
reaction
conditions.
Together
these
methods
are
beginning
to
enable
engineering
(PEN),
i.e.,
synthesis
phases
and
transformation
between
different
obtain
desired
properties
functions.
This
Review
summarizes
research
progress
field
PEN.
First,
we
present
representative
strategies
for
direct
modulation
diverse
kinds
nanomaterials.
We
cover
ranging
from
metal
nanostructures
such
as
Au,
Ag,
Cu,
Pd,
Ru,
alloys;
oxides,
borides,
carbides;
transition
dichalcogenides
(TMDs)
2D
layered
review
growth
wet-chemical
reduction
seed-mediated
epitaxial
chemical
vapor
deposition
(CVD),
high
pressure
transformation,
electron
ion-beam
irradiation.
After
that,
summarize
significant
influence
on
various
unconventional-phase
also
discuss
potential
applications
developed
areas
including
catalysis,
electrochemical
energy
storage
(batteries
supercapacitors),
solar
cells,
optoelectronics,
sensing.
Finally,
existing
challenges
future
directions
