As
one
of
the
most
outstanding
allotropes
carbon
assembled
with
a
cylindrical
nanostructure,
nanotubes
(CNTs)
have
attracted
extensive
attention
in
areas
material
science
and
engineering
due
to
their
unique
structural
characteristics
physicochemical
properties.
Very
recently,
versatile
hierarchical
CNT‐based
photocatalysts
are
considerable
interest
current
research
applications
ranging
from
fuel
generation
environmental
purification.
Therefore,
it
is
necessary
summarize
provide
essential
references
for
continuous
study.
In
this
review,
different
design
strategies
flexible
functionalizations
prototype
construction
described
typical
research,
especially
structure‐related
or
electronic‐effected
mechanism
photocatalytic
reaction
pollutants
degradation,
water
splitting,
CO
2
reduction
overviewed.
Finally,
various
aspects
discussed
future
developments
commercial
applications.
ACS Applied Materials & Interfaces,
Год журнала:
2021,
Номер
13(36), С. 42624 - 42634
Опубликована: Сен. 1, 2021
Solar
energy
can
be
used
as
"green"
by
photocatalysis
for
the
nitrogen
fixation
under
atmospheric
conditions
compared
with
traditional
energy-intensive
industrial
production
of
ammonia.
However,
complex
kinetics
and
high
reaction
barriers
greatly
hinder
development
photocatalytic
N2
reduction
reaction.
Herein,
a
BiOBr/MXene-Ti3C2
composite
catalyst
is
prepared
simple
electrostatic
adsorption
self-assembly
method.
The
as-prepared
10
wt
%
BiOBr/Ti3C2
exhibits
best
performance
to
NH3
photocatalysis.
evolution
rate
up
234.6
μmol·g–1·h–1,
which
approximately
48.8
times
52.4
higher
than
those
pure
BiOBr
Ti3C2,
respectively.
It
found
that
designed
double
vacancies
oxygen
titanium
composites,
availability
localized
electrons,
have
ability
adsorb
activate
N2,
efficiently
reduced
interfacial
electrons
transferred
from
excited
composite.
In
addition,
results
in
situ
Fourier
transform
infrared
show
generation
NxHy
species
continuous
protonation
processes.
Moreover,
vacancy
(VTi)
induces
strong
absorption
atoms
on
surface
according
density
functional
theory
calculations.
particular,
P-electron
feedback
caused
VTi
could
effectively
promote
weakening
N≡N
triple
bond
elongate
length
∼31.6%.
This
work
might
provide
new
insights
into
synergistic
effect
defects
inspiration
rational
design
catalysts
defect
engineering
field
catalytic
synthesis
Advanced Powder Materials,
Год журнала:
2022,
Номер
2(2), С. 100092 - 100092
Опубликована: Сен. 17, 2022
MXenes
are
an
emerging
class
of
new
two-dimensional
materials,
which
have
been
widely
used
in
energy
storage,
catalysis,
sensing,
biology,
and
other
fields
due
to
their
unique
structure
properties.
The
distinct
structure,
low
shear
resistance,
easy-to-modify
ability
endow
with
particularly
superior
lubrication
potentials.
This
review
highlights
the
research
status
applications
categorized
into
solid
lubricants,
lubricant
additives,
reinforcement
phase
parts,
summaries
influencing
factors
mechanisms
lubrication,
points
out
some
unexplored
unsettled
questions,
then
puts
forwards
possible
solutions
prospects
for
future
research.
advances
potentials
fully
verified.
Predictably,
lubricants
will
exhibit
remarkable
application
advanced
manufacturing
such
as
machining
industries,
automotive
micro/nano-electromechanical
systems,
spacecraft
components.
Nanoscale,
Год журнала:
2021,
Номер
13(47), С. 19740 - 19770
Опубликована: Янв. 1, 2021
This
review
highlights
the
synthesis
strategy,
surface/heterointerface
engineering,
and
potential
applications
of
hierarchical
MXene/TMC
heterostructures.
Nanoscale Advances,
Год журнала:
2022,
Номер
4(12), С. 2561 - 2582
Опубликована: Янв. 1, 2022
In
this
review,
we
mainly
summarize
the
important
progress
in
development
of
organic–inorganic
hybrid
photocatalysts
for
production
hydrogen
using
biomass
and
its
derivatives.
Recent
progresses
challenges
are
also
discussed.
