Small,
Journal Year:
2023,
Volume and Issue:
19(46)
Published: July 19, 2023
Inadequate
photo-generated
charge
separation,
migration,
and
utilization
efficiency
limit
the
photocatalytic
efficiency.
Herein,
a
MoS2
/MIL-53(Fe)
photocatalyst/activator
with
S-scheme
heterojunction
structure
is
designed
migration
behavior
modulated
by
internal
electric
field
(IEF).
The
IEF
intensity
enhanced
to
40
mV
modulating
band
bending
potential
depletion
layer
length
of
.
electron
process
boosted
constructing
bridge
(Fe-O-S)
as
driving
force,
confirmed
density
functional
theory
calculation.
Compared
pristine
materials,
photocurrent
significantly
27.5
times.
Contributed
visible-light-driven
cooperative
catalytic
degradation
high-efficiency
direct
reduction
dichlorination
process,
satisfactory
chlorinated
antibiotics
removal
detoxification
performances
are
achieved.
This
study
opens
up
new
insights
into
application
heterojunctions
in
activation
PDS
environmental
remediation.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Oct. 23, 2023
The
regulation
of
heterogeneous
material
properties
to
enhance
the
peroxymonosulfate
(PMS)
activation
degrade
emerging
organic
pollutants
remains
a
challenge.
To
solve
this
problem,
we
synthesize
S-scheme
heterojunction
PBA/MoS2@chitosan
hydrogel
achieve
photoexcitation
synergistic
PMS
activation.
constructed
photoexcited
carriers
undergo
redox
conversion
with
through
transfer
pathway
driven
by
directional
interface
electric
field.
Multiple
pathways
greatly
reactive
oxygen
species
generation,
leading
significant
increase
in
doxycycline
degradation
rate.
Meanwhile,
3D
polymer
chain
spatial
structure
chitosan
is
conducive
rapid
capture
and
electron
transport
advanced
oxidation
process,
reducing
use
transition
metal
activator
limiting
leaching
ions.
There
reason
believe
that
regulated
will
provide
new
perspective
for
future
design
research
on
enhancing
heterologous
catalysis
process.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(6), P. 3002 - 3035
Published: Jan. 1, 2024
The
present
review
summarizes
the
current
state-of-the-art
in
MOF-based
heterojunctions
three
important
photocatalytic
processes:
hydrogen
evolution
reaction,
CO
2
photoreduction
and
photodegradation
of
dyes.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(11)
Published: Jan. 7, 2024
Abstract
Generally,
the
low
electron–hole
separation
efficiency
of
covalent
organic
frameworks
(COFs)
prevents
their
catalytic
performance
from
reaching
satisfactory
results.
For
this
reason,
creation
heterojunctions
is
considered
an
effective
strategy
but
usually
suffers
dimensional
mismatch
integrated
material,
even
at
expense
its
redox
capacity.
To
overcome
these
difficulties,
a
novel
2D/2D
S‐scheme
heterojunction
between
H
2
N–Cu–MOF
(NCM)
and
TpPa–1–COF
(TP1C)
successfully
constructed
for
efficient
photocatalytic
production.
The
matching
dimensions
two
crystalline
porous
materials
enables
with
abundant
surface
reactive
sites,
strong
interaction
optimized
electronic
structure.
Moreover,
combination
can
also
form
S–scheme
heterojunction,
which
not
only
promote
pair,
preserve
ability,
thus
remarkably
boosting
competence.
Consequently,
rate
optimal
20%
NCM/TP1C
in
production
reaches
4.19
mmol
g
−1
h
,
46.5
times
higher
than
that
bare
NCM,
22.1
folds
over
pure
TP1C.
This
research
offers
innovative
perspective
formation
based
on
crystal
solar
energy
utilization.
National Science Review,
Journal Year:
2024,
Volume and Issue:
11(5)
Published: March 8, 2024
ABSTRACT
Photocatalytic
N2
fixation
is
a
promising
strategy
for
ammonia
(NH3)
synthesis;
however,
it
suffers
from
relatively
low
yield
due
to
the
difficulty
in
design
of
photocatalysts
with
both
high
charge
transfer
efficiency
and
desirable
adsorption/activation
capability.
Herein,
an
S-scheme
CoSx/ZnS
heterojunction
dual
active
sites
designed
as
efficient
photocatalyst.
The
exhibits
unique
pocket-like
nanostructure
small
ZnS
nanocrystals
adhered
on
single-hole
CoSx
hollow
dodecahedron.
Within
heterojunction,
electronic
interaction
between
creates
electron-deficient
Zn
enhanced
chemisorption
electron-sufficient
Co
hydrogen
supply
hydrogenation,
cooperatively
reducing
energy
barrier
activation.
In
combination
promoted
photogenerated
electron-hole
separation
facilitated
mass
by
nanostructure,
excellent
performance
NH3
1175.37
μmol
g−1
h−1
achieved.
This
study
provides
new
insights
into
fixation.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(18)
Published: Jan. 21, 2024
Abstract
Constructing
heterostructural
photoanodes
is
attractive
for
elevating
the
photoelectrochemical
(PEC)
performance,
however,
it
a
long‐standing
challenge
to
achieve
highly
efficient
interfacial
charge
transfer.
Herein,
CoFe
metal‐thiolate
framework
(CoFe
MTF)/Fe
2
O
3
photoanode
connected
by
an
Fe─O─N/S
bond
designed
modulate
behavior
of
carriers
and
improve
water
oxidation
performance.
It
disclosed
that
this
functions
as
direct
transfer
bridge
between
shallow
trap
states
Fe
MTF,
leading
prolonged
carrier
recombination
lifetimes
(85
ns
MTF/Fe
compared
37
)
enhanced
efficiency.
Alternatively,
robust
electric
field
established
in
p–n
heterojunction,
facilitating
As
expected,
exhibits
significant
enhancement
oxidation,
resulting
three‐fold
increase
photocurrent
density
pristine
.
This
study
highlights
significance
designing
interfacially
bonded
photoelectrodes
regulate
characters
carriers.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(2), P. 1449 - 1461
Published: Jan. 2, 2024
Constructing
a
Z-scheme
heterostructure
on
metal-organic
framework
(MOF)
composite
with
an
explicit
charge
transfer
mechanism
at
the
interface
is
considered
to
be
effective
strategy
for
improving
photocatalytic
performance
of
MOFs.
Herein,
internal
electric
field
(IEF)-induced
ZnIn