Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 29, 2025
Abstract
Photocatalytic
oxygen
reduction
reaction
(ORR)
and
water
oxidation
(WOR)
to
produce
hydrogen
peroxide
(H
2
O
)
have
garnered
extensive
attention
due
their
economic,
low‐carbon,
in
line
with
the
requirements
of
energy
economy.
Currently,
metal–organic
framework
(MOF)‐based
materials
are
promising
candidates
for
photocatalytic
production
H
owing
abundant
active
sites,
ultrahigh
porosity
controllable
structure.
Given
rapid
advancement
this
field
recent
years,
there
is
an
urgent
need
exhaustive
review
comprehensively
investigate
application
MOF‐based
catalysts
impressive
performance
production.
To
end,
first
recaps
mechanism
influencing
factors
from
pristine
MOFs,
unraveling
deficiencies
modification
demands
MOFs.
Thereafter,
perspective
advances
strategies
MOFs
presented,
special
on
emerging
properties
improved
enhanced
Subsequently,
situ
generated
pollutant
degradation
outlined
deeply.
Eventually,
development
prospects
by
summarized
prospected,
which
expected
provide
insight
into
fabrication
superior
efficient
environmental
remediation.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
Abstract
Poly(heptazine
imide)
(PHI),
an
emerging
substitute
for
g‐C
3
N
4
(CN),
is
a
good
candidate
towards
photocatalytic
CO
2
reduction,
while
it
still
suffers
from
weak
charge
separation
and
low
efficiency
of
electron‐induced
reduction
reaction.
Herein,
ultrathin
PHI
nanosheets
are
synthesized
through
molten
salt
method
with
CN
precursors,
subsequently
functionalized
by
assembling
cobalt
phthalocyanine
(CoPc)
aggregates
via
π–π
interaction.
The
optimized
CoPc/PHI
heterojunction
achieves
evolution
rate
116
µmol
g
−1
h
97%
selectivity,
exhibiting
≈23
15‐fold
photoactivity
improvement
compared
to
PHI,
respectively.
Experimental
theoretical
results
reveal
that
the
superior
performance
primarily
attributed
photogenerated
electrons
transfer
ligand
CoPc
greatly
enhancing
separation,
then
single
Co‐N
sites
efficiently
catalyzing
conversion.
high
selectivity
derived
formation
energy
barrier
*COOH
rapid
desorption.
electron
on
quantified
be
39.7%
in
situ
µs‐transient
absorption
spectra,
much
higher
than
(17.7%),
underlining
dual
role
as
electron‐accepting
platform
catalytic
site.
This
work
offers
feasible
strategy
designing
efficient
heterojunctions
solar
fuel
production.
The
construction
of
S-scheme
heterojunctions
with
oxygen
vacancies
(OVs)
is
an
effective
strategy
to
enhance
the
photocatalytic
activity.
In
this
pioneering
study,
we
successfully
fabricated
Bi12O17Cl2/Bi2S3
abundant
OVs
(ROV-BOC/BS)
using
anion
exchange
method.
in
situ
growth
Bi2S3
(BS)
nanorods
on
OVs-rich
Bi12O17Cl2
(ROV-BOC)
nanosheets
resulted
interconnected
reticulated
structure.
This
structure
not
only
increased
specific
surface
area
composite
but
also
established
a
tightly
bound
heterojunction,
further
enhancing
content
composites.
OVs-induced
defect
levels
provide
additional
channels
for
photogenerated
charge
migration.
synergy
between
heterojunction
and
improved
light
absorption
carrier
separation
efficiency.
Consequently,
optimized
ROV-BOC/BS-0.1
achieved
95.52%
Cr(VI)
removal
efficiency
within
120
min,
apparent
reaction
rate
constants
5.39
23.86
times
higher
than
those
pure
ROV-BOC
BS,
respectively.
investigation
provides
crucial
guidance
designing
novel
photocatalysts
OVs.
