Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(17)
Published: Dec. 22, 2023
Abstract
Insufficient
charge
separation
and
slow
exciton
transport
severely
limit
the
utilization
of
perylene‐plane‐based
organic
photocatalysts.
Herein,
a
novel
PTCDA/PTA
(perylene‐3,4,9,10‐tetracarboxylic
dianhydride/perylenetetracarboxylic
acid)
is
successfully
prepared
for
first
time
by
in
situ
crystallization
PTA
on
surface
PTCDA
through
π
–
interaction.
The
loading
with
8%PTCDA
showed
optimum
photocatalytic
performance.
H
2
evolution
rate
reached
45.06
mmol
g
−1
h
,
which
1.93‐fold
4506.00‐fold
higher
than
that
pure
PTCDA.
Meanwhile,
it
also
exhibited
excellent
antibiotics
photodegradation
activities,
both
removal
efficiency
tetracycline
hydrochloride
(TC‐HCl)
ofloxacin
(OFL)
are
more
over
90%
within
30
min.
By
modulating
structures
perylene
plane,
steric
hindrance
internal
dipole
moments
can
be
precisely
tuned.
These
lead
to
change
stacking
mode,
promoting
degree
formation
strong
electric
field,
while
improved
activity.
Excited
state
density
functional
theory
(DFT)
calculations
unveil
redistribution
electron‐hole
pairs,
obeys
type
II
mechanism.
proposed
mechanism
determined
liquid
chromatography‐mass
spectrometry
(LC‐MS).
Besides,
toxicities
degradation
products
evaluated.
work
provides
useful
strategy
design
high‐performance
multifunctional
photocatalysts
toward
water
remediation
energy
production.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(26)
Published: March 25, 2023
Photocatalytic
CO2
conversion
for
hydrocarbon
fuel
production
has
been
known
as
one
of
the
most
promising
strategies
achieving
carbon
neutrality.
Yet,
its
efficiency
remains
unsatisfactory
mainly
due
to
severe
charge-transfer
resistance
and
slow
charge
kinetics.
Herein,
a
tunable
interfacial
transfer
on
an
oxygen-vacancies-modified
bismuth
molybdate
nanoflower
assembled
by
2D
nanosheets
(BMOVs)
bismuthene
composite
(Bi/BMOVs)
is
demonstrated
photocatalytic
conversion.
Specifically,
meticulous
design
Ohmic
contact
formed
between
BMOVs
can
allow
modulation
resistance.
According
density
functional
theory
(DFT)
simulations,
it
ascertained
that
such
exceptional
kinetics
attributed
built-in
electric
field
(IEF)
contact.
As
such,
reduction
performance
optimized
Bi/BMOVs
(CO
CH4
productions
rate
169.93
4.65
µmol
g-1
h-1
,
respectively)
ca.
10
times
higher
than
pristine
BMO
rates
16.06
0.51
respectively).
The
reported
in
this
work
shed
some
important
light
highly
efficient
photocatalysts
both
energy
environmental
applications.
Advanced Science,
Journal Year:
2022,
Volume and Issue:
9(17)
Published: April 11, 2022
Charge
separation
efficiency
of
photocatalysts
is
still
the
key
scientific
issue
for
solar-to-chemical
energy
conversion.
In
this
work,
an
electron
donor-acceptor
(D-A)
interface
with
high
charge
between
TPPS
(tetra(4-sulfonatophenyl)porphyrin)
and
PDI
(perylene
diimide)
successfully
constructed
boosting
photocatalytic
H
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(29)
Published: May 25, 2023
Electrocatalytic
nitrogen
reduction
reaction
(ENRR)
has
emerged
as
a
promising
approach
to
synthesizing
green
ammonia
under
ambient
conditions.
Tungsten
(W)
is
one
of
the
most
effective
ENRR
catalysts.
In
this
reaction,
protonation
intermediates
rate-determining
step
(RDS).
Enhancing
adsorption
crucial
increase
intermediates,
which
can
lead
improved
catalytic
performance.
Herein,
we
constructed
strong
interfacial
electric
field
in
WS2
-WO3
elevate
d-band
center
W,
thereby
strengthening
intermediates.
Experimental
results
demonstrated
that
led
significantly
Specifically,
exhibited
high
NH3
yield
62.38
μg
h-1
mgcat-1
and
promoted
faraday
efficiency
(FE)
24.24
%.
Furthermore,
situ
characterizations
theoretical
calculations
showed
upshifted
W
towards
Fermi
level,
leading
enhanced
-NH2
-NH
on
catalyst
surface.
This
resulted
rate
RDS.
Overall,
our
study
offers
new
insights
into
relationship
between
provides
strategy
enhance
during
process.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
63(5)
Published: Dec. 12, 2023
The
co-assembly
naphthalimide/perylene
diimide
(NDINH/PDINH)
supramolecular
photocatalysts
were
successfully
synthesized
via
a
rapid
solution
dispersion
method.
A
giant
internal
electric
field
(IEF)
in
structure
was
built
by
the
larger
local
dipole.
NDINH
coated
on
PDINH
could
reduce
reflected
over
to
improve
its
responsive
activity
ultraviolet
light.
Resultantly,
an
efficient
full-spectrum
photocatalytic
overall
water
splitting
with
H
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(42), P. 23167 - 23175
Published: Oct. 11, 2023
The
precise
tuning
of
components,
spatial
orientations,
or
connection
modes
for
redox
units
is
vital
gaining
deep
insight
into
efficient
artificial
photosynthetic
overall
reaction,
yet
it
still
hard
achieve
heterojunction
photocatalysts.
Here,
we
have
developed
a
series
molecular
junction
covalent
organic
frameworks
(COFs)
(M-TTCOF-Zn,
M
=
Bi,
Tri,
and
Tetra)
reaction.
between
TAPP-Zn
multidentate
TTF
endows
various
water
photo-oxidation
(multidentate
TTF)
CO2
photoreduction
(TAPP-Zn)
centers
that
can
serve
as
desired
platforms
to
study
the
possible
interactions
centers.
Notably,
Bi-TTCOF-Zn
exhibits
high
CO
production
rate
11.56
μmol
g-1
h-1
(selectivity,
∼100%),
which
more
than
2
6
times
higher
those
Tri-TTCOF-Zn
Tetra-TTCOF-Zn,
respectively.
As
revealed
by
theoretical
calculations,
facilitates
uniform
distribution
energy-level
orbitals,
faster
charge
transfer,
stronger
*OH
adsorption/stabilization
ability
Tetra-TTCOF-Zn.
Small,
Journal Year:
2024,
Volume and Issue:
20(27)
Published: Jan. 24, 2024
It
is
a
challenge
to
regulate
charge
separation
dynamics
and
redox
reaction
kinetics
at
the
atomic
level
synergistically
boost
photocatalytic
hydrogen
(H
