Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(8)
Published: Nov. 22, 2023
Abstract
Semiconductor
photocatalytic
technology
holds
immense
promise
for
converting
sustainable
solar
energy
into
chemically
storable
energy,
with
significant
applications
in
the
realms
of
and
environment.
However,
inherent
issue
rapid
recombination
photogenerated
electrons
holes
hinders
performance
single
photocatalysts.
To
overcome
this
challenge,
construction
2D
S‐scheme
heterojunction
photocatalysts
emerges
as
an
effective
strategy.
The
deliberate
design
dimensionality
ensures
a
substantial
interfacial
area;
while,
charge
transfer
mechanism
facilitates
efficient
separation
maximizes
redox
capabilities.
This
review
commences
fresh
perspective
on
heterojunctions,
followed
by
comprehensive
exploration
preparation
methods
characterization
techniques.
Subsequently,
recent
advancements
are
summarized.
Notably,
behind
activity
enhancement
is
elucidated.
Finally,
prospects
development
presented.
Small,
Journal Year:
2022,
Volume and Issue:
19(5)
Published: Dec. 7, 2022
Assembling
different
2D
nanomaterials
into
heterostructures
with
strong
interfacial
interactions
presents
a
promising
approach
for
novel
artificial
photocatalytic
materials.
Chemically
implementing
the
nanomaterials'
construction/stacking
modes
to
regulate
interfaces
can
extend
their
functionalities
and
achieve
good
performance.
Herein,
based
on
fundamental
principles
photochemical
processes,
multiple
construction
(e.g.,
face-to-face,
edge-to-face,
interface-to-face,
edge-to-edge)
are
overviewed
systematically
emphasis
relationships
between
characteristics
point,
linear,
planar),
synthetic
strategies
in
situ
growth,
ex
assembly),
enhanced
applications
precise
regulation.
Meanwhile,
recent
efforts
enhancing
performances
of
2D/2D
summarized
from
critical
factors
visible
light
absorption,
accelerating
charge
transfer/separation,
introducing
active
sites.
Notably,
crucial
roles
surface
defects,
cocatalysts,
modification
performance
optimization
also
discussed
synergistic
effect
engineering
heterogeneous
interfaces.
Finally,
perspectives
challenges
proposed
emphasize
future
opportunities
expanding
photocatalysis.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(8), P. 8709 - 8729
Published: Feb. 16, 2024
Agricultural
runoff,
fuel
spillages,
urbanization,
hospitalization,
and
industrialization
are
some
of
the
serious
problems
currently
facing
world.
In
particular,
byproducts
that
hazardous
to
ecosystem
have
potential
mix
with
water
used
for
drinking.
Over
last
three
decades,
various
techniques,
including
biodegradation,
advanced
oxidation
processes
(AOPs),
(e.g.,
photocatalysis,
photo-Fenton
oxidation,
Fenton-like
electrochemical
process
adsorption),
filtration,
adsorption
been
developed
remove
byproducts.
Among
those,
AOPs,
photocatalysis
has
received
special
attention
from
scientific
community
because
its
unusual
properties
at
nanoscale
layered
structure.
Recently,
bismuth
based
semiconductor
(BBSc)
photocatalysts
played
an
important
role
in
solving
global
energy
demand
environmental
pollution
problems.
bismuth-based
Z-scheme
heterojunction
(BBZSH)
is
considered
best
alternative
route
overhaul
limitations
single-component
BBSc
photocatalysts.
This
work
aims
review
recent
studies
on
a
new
type
BBZSH
treatment
contaminated
water.
The
general
overview
synthesis
methods,
efficiency-enhancing
strategies,
classifications
heterojunctions,
degradation
mechanisms
Z-
S-schemes,
application
organic
dyes,
antibiotics,
aromatics
compounds,
endocrine-disrupting
volatile
compounds
reviewed.
Finally,
challenges
future
perspective
discussed.
Energy Material Advances,
Journal Year:
2023,
Volume and Issue:
4
Published: Jan. 1, 2023
Since
the
first
discovery
of
solar-driven
water
splitting
catalyzed
by
TiO
2
semiconductors,
extensive
research
works
have
been
devoted
over
decades.
Currently,
design
a
photocatalyst
with
dual
redox
potential
is
prominent
interest
to
fully
utilize
both
photogenerated
electrons
and
holes
in
reactions.
Among
all,
coproduction
H
O
from
using
metal-free
carbon
nitride
(g-C
3
N
4
)
has
viewed
as
rising
star
this
field.
However,
hole-mediated
oxidation
reaction
commonly
recognized
rate-determining
step,
which
drastically
leads
poor
overall
efficiency.
On
top
that,
rapid
recombination
undesirable
back
appeared
one
challenging
parts
splitting.
In
review,
up-to-date
advances
modified
g-C
-based
photocatalysts
toward
efficient
are
summarized,
mainly
classified
into
structural
defect
engineering,
single-atom
catalysis,
cocatalyst
loading,
heterojunction
construction.
This
review
also
addresses
underlying
idea
concept
tackle
aforementioned
problem
use
emerging
modification
strategies,
hence
serving
guiding
for
future
research.
Despite
outstanding
breakthrough
thus
far,
critical
recommendations
related
photocatalytic
systems
prospected
pave
way
implementation
practical
energy
production
process.
Materials Today Physics,
Journal Year:
2023,
Volume and Issue:
31, P. 101001 - 101001
Published: Feb. 1, 2023
Two-dimensional
(2D)
niobium
oxydihalide
NbOI2
has
been
recently
demonstrated
as
an
excellent
in-plane
piezoelectric
and
nonlinear
optical
material.
Here
we
show
that
Janus
oxydihalide,
NbOXY
(X,
Y
=
Cl,
Br,
I
X
≠
Y),
is
a
multifunctional
anisotropic
semiconductor
family
with
exceptional
piezoelectric,
electronic,
photocatalytic
properties.
are
stable
flexible
monolayers
band
gap
around
the
visible
light
regime
of
∼1.9
eV.
The
carrier
mobility
exhibits
exceptionally
strong
anisotoropy
ratio
∼400,
which
larger
than
most
2D
semiconductors.
large
deformation
potential
NbOXYmonolayers
leads
to
piezoresistive
effect
useful
for
strain
sensing
application.
Inversion
symmetry
breaking
in
generates
sizable
out-of-plane
d31
response
while
still
retaining
piezoelectricity.
Remarkably,
additional
response,
d32
0.55
pm/V.
G0W0-BSE
calculation
further
reveals
linear
dichroism
visible-to-ultraviolet
regime.
absorption
peaks
14
∼
18%
deep
UV
(5
6
eV)
outperform
vast
majority
other
materials.
high
mobility,
absorption,
built-in
electric
field
alignment
compatible
overall
water
splitting
suggest
strengths
solar-to-hydrogen
conversion.
We
propose
directional
stress
device
demonstrate
how
piezoelectricity
can
be
harnessed
functional
applications.
Our
findings
unveil
electronics,
optoelectronics,
photonics,
piezoelectronics
sustainable
energy
Nanoscale,
Journal Year:
2023,
Volume and Issue:
15(14), P. 6536 - 6562
Published: Jan. 1, 2023
This
state-of-the-art
review
of
MXene-based
catalysts
in
CO
2
electro/photoreduction
places
an
emphasis
on
synthesis
approaches,
surface
termination
modulation,
heterostructure
engineering
and
reaction
mechanisms.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(14), P. 5547 - 5558
Published: March 1, 2023
Direct
conversion
of
waste
CO2
into
CH3OH
by
solar
irradiation
has
emerged
as
the
most
enthralling
alternative
to
conventional
steam
methane
reforming,
which
reduced
concentration
greenhouse
gases
and
consumption
fossil
resources.
A
cradle-to-gate
life
cycle
assessment
was
carried
out
assess
environmental
feasibility
implementing
current
g-C3N4-based
photocatalytic
reduction
system
based
on
1
kg
production.
It
observed
that
emerging
induced
68
53%
less
carbon
footprint
usage,
respectively,
in
producing
same
amount
compared
approach.
The
reaction
step
identified
main
contributor
system,
accounted
for
more
than
50%
total
impact
scores.
In
score
points
global
warming
depletion
contributed
product
purification
desulfurization
step,
respectively.
addition,
sensitivity
analysis
manifested
lowest
burden
46.50
equiv
emission
15.27
oil
obtained
upon
replacing
fossil-based
energy
with
hydro-powered
electricity.
These
results
suggest
a
potent
replacement
incumbent
industry
amelioration
climate
benefits
resource
conservation
advanced
development
system.
