Carbon Energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
ABSTRACT
The
efficiency
of
organic
semiconductor
photocatalysts
is
typically
limited
by
their
capability
photogenerated
electron
transport.
Herein,
a
photocatalyst
proposed
initially
through
the
specific
axial
coordination
interaction
between
imidazole‐C
60
(ImC
)
and
zinc
tetraphenyl
porphyrin
(ZnTPP)
named
ImC
‐ZnTPP.
Subsequently,
detailed
structural
characterizations
along
with
theoretical
calculation
reveal
that
unique
‐ZnTPP
possesses
head‐to‐tail
stacking
supra‐structures,
leading
to
formation
continuous
array
C
–C
ultrashort
spacing
ensuring
strong
π–π
interactions
homogeneous
electronic
coupling,
which
could
tremendously
promote
transport
(−111)
crystal
facet
Consequently,
compared
other
fullerene‐based
photocatalysts,
shows
exceptional
photocatalytic
hydrogen
production
activity,
an
up
80.95
mmol
g
−1
h
.
This
study
provides
novel
strategy
design
highly
efficient
systems
for
solar‐driven
energy
conversion
extend
artificial
photosynthetic
use.
ACS Catalysis,
Journal Year:
2025,
Volume and Issue:
15(3), P. 1829 - 1840
Published: Jan. 17, 2025
Perylene
diimides
(PDIs)
and
their
derivatives
represent
a
kind
of
most
promising
photocatalytic
materials
due
to
strong
visible
light
absorption,
ease
functionalization,
excellent
thermal/photostability,
as
well
tunable
electronic
structures
energy
levels.
However,
several
challenges
persist
in
the
development
PDI
photocatalysts,
including
low
electron–hole
separation
efficiency,
slow
charge
transfer,
rapid
carrier
recombination.
In
this
perspective,
we
focus
on
enhancing
performance
photocatalysts
through
molecular
design.
We
provide
comprehensive
overview
various
improvement
strategies:
(1)
precise
modulation
dipole
moments
by
altering
polarity
side
chains
strengthen
built-in
electric
field,
(2)
utilization
steric
hindrance
noncovalent
interactions
construct
nanoscale,
highly
ordered
supramolecular
nanostructures,
(3)
modification
perylene
core
adjust
levels
increase
number
active
sites,
(4)
integration
with
semiconductors
or
metals
form
composite
systems
that
enhance
interfacial
field
create
extensive
delocalized
channels,
(5)
selection
suitable
linker
groups
build
polymer
large
moments.
These
strategies
can
facilitate
migration
photogenerated
carriers
eventually
boosting
efficiency.
The
relationship
between
structure
performance,
particularly
context
degradation
water
splitting,
is
examined
detail.
Finally,
future
prospects
are
thoroughly
discussed.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(24), P. 14426 - 14436
Published: Jan. 1, 2024
The
enlarged
internal
electric
field
and
accelerated
H
2
O
oxidation
kinetics
synergically
enhance
the
CO
photoreduction
activity
of
Z-scheme
WO
3
/C
N
4
heterojunctions.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(19), P. 9153 - 9168
Published: Jan. 1, 2024
Nanostructures
obtained
from
self-assembled
organic
dyes
are
emerging
as
alternatives
to
molecular
and
semiconductor
photocatalysts.
With
their
unique
properties,
they
offer
a
promising
way
bridge
homo-
heterogeneous
(photo)catalysis.
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.
