Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
Abstract
Constructing
heterojunctions
between
phase
interfaces
represents
a
crucial
strategy
for
achieving
excellent
photocatalytic
performance,
but
the
absence
of
sufficient
interface
driving
force
and
limited
charge
transfer
pathway
leads
to
unsatisfactory
separation
processes.
Herein,
doping‐engineering
is
introduced
construct
In─N
bond‐bridged
In
2
S
3
nanocluster
modified
doped
carbon
nitride
(CN)
nanosheets
Z‐Scheme
van
der
Waals
(VDW)
(In
/CNS)
photocatalyst,
preparation
process
just
by
one‐step
pyrolysis
using
pre‐coordination
confinement
method.
Specifically,
atoms
doping
enhances
bond
strength
forms
high‐quality
interfacial
linkage
which
serves
as
atomic‐level
“highway”
improving
electrons
migration,
decreasing
recombination
probability.
The
detailed
characterization
results,
along
with
theoretical
calculations,
confirm
that
both
atom
incorporation
formation
VDW
synergistically
improve
internal
electric
field.
This,
in
turn,
accelerates
simultaneously
light
absorption
capacity.
Consequently,
optimal
hydrogen
evolution
performance
In₂S₃/CNS2
160.8
times
greater
than
In₂S₃,
8.2
higher
CNS.
This
study
emphasizes
role
atomic‐scale
regulation
intrinsic
fields
heterojunctions,
contributing
ameliorative
performance.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 27, 2024
Abstract
The
interlayer
stacking
modes
of
2D
covalent‐organic
frameworks
(COFs)
directly
influence
their
structural
features,
ultimately
determining
functional
output.
However,
controllably
modulating
the
structure
in
traditional
metal‐free
COFs,
based
on
same
building
blocks,
remains
challenging.
Here,
two
trinuclear
copper
organic
are
synthesized
successfully
with
different
structures:
eclipsed
AA
Cu
3
‐PA‐COF‐AA
and
staggered
ABC
‐PA‐COF‐ABC,
using
monomers.
Remarkably,
various
functionalities,
including
porosity
electronic
optical
properties,
can
be
effectively
regulated
by
stacking.
As
a
result,
‐PA‐COF‐ABC
exhibit
significantly
activities
toward
photoreduction
U(VI),
presenting
promising
strategy
for
removing
radioactive
uranium
pollution.
Due
to
its
broader
visible‐light
absorption
range
superior
photogenerated
carrier
migration
separation
efficiency,
achieves
U(VI)
removal
ratio
93.6%
without
additional
sacrificial
agents
an
air
atmosphere—≈2.2
times
higher
than
that
(42.0%).
To
best
knowledge,
this
is
first
study
elucidate
effect
COFs
photocatalytic
activity
reduction.
This
finding
may
inspire
further
exploration
structure‐function
relationship
as
photocatalysts
potential
photoinduced
radionuclides.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
Abstract
Constructing
heterojunctions
between
phase
interfaces
represents
a
crucial
strategy
for
achieving
excellent
photocatalytic
performance,
but
the
absence
of
sufficient
interface
driving
force
and
limited
charge
transfer
pathway
leads
to
unsatisfactory
separation
processes.
Herein,
doping‐engineering
is
introduced
construct
In─N
bond‐bridged
In
2
S
3
nanocluster
modified
doped
carbon
nitride
(CN)
nanosheets
Z‐Scheme
van
der
Waals
(VDW)
(In
/CNS)
photocatalyst,
preparation
process
just
by
one‐step
pyrolysis
using
pre‐coordination
confinement
method.
Specifically,
atoms
doping
enhances
bond
strength
forms
high‐quality
interfacial
linkage
which
serves
as
atomic‐level
“highway”
improving
electrons
migration,
decreasing
recombination
probability.
The
detailed
characterization
results,
along
with
theoretical
calculations,
confirm
that
both
atom
incorporation
formation
VDW
synergistically
improve
internal
electric
field.
This,
in
turn,
accelerates
simultaneously
light
absorption
capacity.
Consequently,
optimal
hydrogen
evolution
performance
In₂S₃/CNS2
160.8
times
greater
than
In₂S₃,
8.2
higher
CNS.
This
study
emphasizes
role
atomic‐scale
regulation
intrinsic
fields
heterojunctions,
contributing
ameliorative
performance.
