Two-dimensional
(2D)
nanomaterials
have
garnered
extensive
attention
owing
to
their
unique
properties
and
versatile
application.
Here,
a
family
of
2D
rare-earth
metal
phosphides
(M
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 8, 2024
Abstract
Over
the
past
decade,
conventional
MAX
phases
and
MXenes
have
garnered
significant
interest,
primarily
limited
to
carbides
and/or
nitrides.
However,
in
2019,
hexagonal
ternary
boride
Ti
2
InB
was
successfully
synthesized,
sparking
extensive
research
into
MAB
(
h
‐MAB)
their
derived
MBenes
‐MBenes).
In
recent
years,
‐MAB
‐MBenes
become
focal
points
fields
of
physics,
chemistry,
materials
science.
The
unique
properties
promising
performances
catalysis,
energy
storage,
spintronics,
electrical
devices
underscore
considerable
potential.
Nonetheless,
exploration
is
still
its
nascent
stages,
with
many
anticipated
potentials
yet
be
fully
explored.
This
article
introduces
general
concepts,
crystal
structure,
exfoliation
phases,
while
also
highlighting
advancements
synthesis
applications
‐MBenes.
Finally,
we
discuss
future
challenges
prospects
for
study
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(21)
Published: March 15, 2024
Abstract
Hexagonal
MAB
phases
(
h
‐MAB)
have
attracted
attention
due
to
their
potential
exfoliate
into
MBenes,
similar
MXenes,
which
are
predicted
be
promising
for
Li‐ion
battery
applications.
However,
the
high
cost
of
synthesizing
MBenes
poses
challenges
use
in
batteries.
This
study
presents
a
novel
approach
where
simple
ball‐milling
treatment
is
employed
enhance
purity
‐MAB
phase
Ti
2
InB
and
introduce
significant
indium
defects,
resulting
improved
conductivity
creation
abundant
active
sites.
The
synthesized
with
defects
(V
In
‐Ti
)
exhibits
excellent
electrochemical
properties,
particularly
exceptional
long‐cycle
stability
at
current
densities
5
A
g
−1
(5000
cycles,
average
capacity
decay
0.0018%)
10
(15
000
0.093%).
charge
storage
mechanism
V
,
involving
dual
redox
reaction,
proposed,
promote
In‐Li
alloy
reaction
Li
TiB
layer.
Finally,
full
cell
demonstrates
cycling
0.5
after
350
cycles.
work
first
accessible
scalable
application
as
anode,
unlocking
wealth
possibilities
sustainable
applications
phases.
ACS Applied Engineering Materials,
Journal Year:
2024,
Volume and Issue:
2(5), P. 1209 - 1224
Published: May 13, 2024
MBenes
can
be
understood
as
a
novel
family
of
two-dimensional
metal
borides
which
are
sandwich-like
structures
analogues
to
MXenes,
fabricated
from
encrusted
MAB
phases
that
have
attracted
enormous
interest
in
the
area
physical
science
with
more
emphasis
on
nanomaterials.
These
materials
due
exhibiting
various
fascinating
characteristics
claimed
promising
future,
specifically
field
energy
storage
and
electrocatalytic
applications.
Other
applications
explored
so
far
include
biotechnological
However,
not
been
broadly
explored,
research
available
these
is
inadequate.
Moreover,
other
probable
uses
waiting
explored.
The
current
review
based
clear
understanding
MBenes,
followed
by
their
most
appropriate
technical
classification.
Progress
synthetic
procedures,
characteristics,
for
electrocatalysis
has
also
Subsequent
discussions
issues
associated
experimental
synthesis
hypothetical
calculations
along
perceptions
predictions
about
provided.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 15, 2024
Abstract
The
field
of
2D
materials
has
advanced
significantly
with
the
emergence
MBenes,
a
new
material
derived
from
MAX
phases
family,
novel
class
that
originates
family.
Herein,
this
article
explores
unique
characteristics
and
morphological
variations
offering
comprehensive
overview
their
structural
evolution.
First,
discussion
evolutionary
period
MBenes
associated
several
techniques
for
synthesizing,
modifying,
characterizing
to
tailor
structure
enhance
functionality.
focus
then
shifts
defect
chemistry
electronic,
catalytic,
photothermal
properties
which
play
crucial
role
in
designing
multifunctional
solar‐driven
hybrid
systems.
Second,
recent
advancements
potentials
systems
e.g.
photo‐electro
catalysis,
solar
evaporators
freshwater
thermoelectric
generators,
phototherapy,
emphasizing
significance
tackling
energy
environmental
issues,
are
explored.
study
further
fundamental
principles
regulate
improved
photocatalytic
highlighting
promise
effective
utilization
remediation
environment.
also
thoroughly
assesses
MBenes'
scalability,
stability,
cost
effectiveness
Current
insights
future
directions
allow
researchers
utilize
sustainable
varied
applications.
This
review
regarding
will
be
valuable
early
intrigued
synthesizing
utilizing
solar‐powered
water‐energy‐fuel
phototherapy
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Abstract
Electrocatalysis
holds
immense
promise
for
producing
high‐value
chemicals
and
fuels
through
the
carbon
dioxide
reduction
reaction
(CO
2
RR),
advancing
global
sustainability
neutrality.
However,
conventional
electrocatalysts
based
on
transition
metals
are
often
limited
by
significant
overpotentials.
Since
discovery
of
first
hexagonal
MAB
(
h
‐MAB)
phase,
Ti
InB
,
its
2D
derivative
in
2019,
metal
borides
‐MBenes)
have
emerged
as
promising
candidates
various
electrochemical
applications.
This
study
presents
theoretical
investigation
into
CO
RR
catalytic
properties
pristine
‐MBenes
‐MB)
their
─O
‐MBO)
─OH
‐MBOH)
terminated
counterparts,
focusing
such
Sc,
Ti,
V,
Zr,
Nb,
Hf,
Ta.
These
results
reveal
while
‐MB
‐MBO
exhibit
poor
performance
due
to
overly
strong
or
weak
interactions
with
‐MBOH
shows
great
promise.
Notably,
ScBOH,
TiBOH,
ZrBOH
display
exceptionally
low
limiting
potentials
U
L
)
−0.46,
−0.53,
−0.64
respectively.
findings
uncover
unique
role
tuning
electronic
‐MBenes,
thereby
optimizing
intermediate
adsorption,
which
prevents
excessive
binding
enhances
efficiency.
research
offers
valuable
insights
potential
highly
efficient
catalysts,
underscoring
versatility
prospects
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
In
recent
years,
MAX
phases
and
their
two-dimensional
counterparts,
MXenes,
have
emerged
as
significant
subjects
of
interest
in
the
fields
science
engineering,
owing
to
varied
geometries,
compositions,
extensive
range
applications.
This
research
employs
first-principles
calculations
explore
geometrical
structures,
electronic
characteristics,
phonon
dispersions,
dynamic
stability,
electron-phonon
coupling
(EPC),
superconducting
properties
27
out-of-plane
ordered
double
transition
metal
carbides,
referred
o-MAX
phases,
characterized
by
general
formula
M2M'AlC2
(where
M
=
Nb,
Mo,
W
M'
Sc,
Ti,
Zr,
Hf,
V,
Ta,
W).
We
identified
16
with
four
specific
compounds
W2VAlC2,
W2NbAlC2,
W2TaAlC2,
Mo2NbAlC2
exhibiting
a
critical
temperature
(Tc)
that
surpasses
10
K,
representing
highest
Tc
reported
experimentally
for
thus
far.
The
calculated
EPC
constants
these
materials
are
0.98,
0.99,
1.02,
0.74,
correlating
values
17.9,
14.8,
14.5,
11
respectively.
Remarkably,
predicted
17.9
K
stands
theoretically
anticipated
any
phase
date.
conduct
thorough
analysis
mechanisms
facilitate
superconductivity
systems.
Our
findings
suggest
presence
Kohn
anomalies
low-frequency
modes
enhances
interactions,
resulting
increased
temperatures
(Tc).
Additionally,
our
results
indicate
Nb2M'AlC2
do
not
display
behavior.
The Journal of Physical Chemistry C,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
In
recent
years,
borophene
has
garnered
significant
attention
due
to
its
diverse
physical
and
chemical
properties.
However,
most
known
allotropes
of
exhibit
metallic
or
semimetallic
characteristics.
This
study
employs
first-principles
calculations
an
evolutionary
algorithm
predict
a
novel
2D
B9'
structure,
which
displays
impressive
thermal,
dynamic,
mechanical
stability,
suggesting
viability
at
room
temperature.
Subsequently,
we
introduced
transition
metal
(M)
atoms
into
the
predicted
structures,
resulting
in
variety
MB9
configurations.
Through
high-throughput
screening,
identified
two
stable
semiconducting
borophenes:
AgB9
TmB9.
these
Ag
Tm
occupy
centers
hexagonal
nonagonal
boron
vacancies.
Electronic
structure
reveal
that
indirect
band
gap
0.58
eV,
while
TmB9
features
direct
0.72
eV.
Notably,
both
high
carrier
mobility,
with
achieving
remarkable
mobility
up
11,391
cm2
V–1
s–1.
Compared
materials
such
as
MoS2,
h-BN,
BAs,
BSb,
stand
out
their
narrow
gaps
indicating
promising
applications
electronic
devices.
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Three
2D
Pca
2
1
SiNOX
(X
=
H,
F,
and
Cl)
phases
were
rationally
designed
by
theoretical
exfoliation
of
bulk
α-LiSiON
their
electronic,
mechanical,
thermal
conductivity
properties
investigated
first-principles
calculations.
Journal of Materials Informatics,
Journal Year:
2025,
Volume and Issue:
5(2)
Published: March 11, 2025
Cathode
materials
are
crucial
in
potassium
(K)
batteries,
directly
impacting
their
performance
and
lifespan.
In
this
study,
we
used
a
combination
of
geometrical-topological
(GT)
analysis,
bond
valence
site
energy
(BVSE),
Kinetic
Monte
Carlo
(KMC),
first-principles
calculations
to
screen
potential
cathode
for
K-ion
batteries
among
inorganic
phosphides.
Through
GT
screened
143
K-
P-containing
compounds
identified
30
with
two-
or
three-dimensional
migration
pathways.
BVSE
further
narrowed
down
13
energies
below
1
eV.
KMC
simulations
ionic
conductivity
led
the
selection
K3Cu3P2
detailed
calculations.
It
was
demonstrated
that
possesses
reversible
capacity
72.47
mAh·g-1,
minimal
volume
change
(1.47%),
charge
compensation
mechanism
involving
Cu
P.
Its
low
barrier
contributes
high
diffusion
coefficient
1.87
×
10-3
S·cm-1
at
25
°C,
making
promising
candidate
stable
efficient
applications.