ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(33)
Published: Sept. 4, 2024
Abstract
A
process
for
photocatalytically
synthesizing
hydrogen
peroxide
while
simultaneously
degrading
organic
pollutants
is
of
interest.
In
this
study,
a
dendritic
nanopolymer
was
synthesized
and
utilized
as
photocatalyst
the
production
peroxide,
which
then
used
in
tandem
with
degradation
Tetracycline
(TC)
Rhodamine
B
(Rh
B)
under
36
W
incandescent
bulb.
The
yield
H
2
O
measured
at
8.4
mg
g
−1
h
,
photocatalytic
rates
93.90
%
Rh
72.92
TC.
kinetics
TC
by
polymer
were
found
to
follow
pseudo‐first‐order
kinetics,
higher
affinity
observed
B.
mechanism
Fenton‐like
system
attributed
an
oxidation
involving
ferrous
ions.
InfoMat,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 9, 2024
Abstract
Covalent
organic
frameworks
(COFs)
feature
π‐conjugated
structure,
high
porosity,
structural
regularity,
large
specific
surface
area,
and
good
stability,
being
considered
as
ideal
platform
for
photocatalytic
application.
Although
single
COFs
have
achieved
significant
progress
in
photocatalysis
benefiting
from
their
distinctive
properties,
the
COFs‐based
hybrids
provide
an
extraordinary
opportunity
to
achieve
superior
performance.
From
perspective
of
carrier
transfer
mechanism,
a
systematic
summary
based
on
other
functional
materials
(metal
atoms,
metal
clusters/nanoparticles,
inorganic
semiconductors,
metal–organic
frameworks,
polymers)
can
offer
valuable
guidance
design
hybrids.
In
this
review,
mechanism
hybrid
(such
Schottky
junction,
type
II
heterojunction,
Z‐scheme
S‐scheme
heterojunction)
is
briefly
introduced.
Subsequently,
performance
water
splitting,
CO
2
reduction,
pollutant
degradation
are
comprehensively
reviewed.
Specifically,
separation
different
types
highlighted.
Finally,
challenges
prospects
envisaged.
The
insights
presented
review
expected
be
helpful
rational
obtain
outstanding
activity.
image
Photocatalytic
hydrogen
peroxide
(H2O2)
production
using
conjugated
polymers
as
photocatalysts
is
a
green
and
sustainable
approach
to
synthesizing
H2O2.
Nevertheless,
the
efficiency
still
hindered
by
inefficient
charge
separation
transfer
dynamics.
Herein,
series
of
coplanar
2D
ladder
with
different
substituents
were
reported
metal-free
for
artificial
photosynthesis
Detailed
experimental
theoretical
investigations
reveal
that
skeleton
strong
electron-withdrawing
could
profoundly
facilitate
transfer.
Possessing
these
notable
merits,
cyano-substituted
polymer
(PAE-CN)
exhibits
remarkable
photocatalytic
performance
on
H2O2
evolution.
This
study
contributes
development
effective
tailored
potential
applications
in
photosynthesis.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
Abstract
Gold
catalysts
are
extensively
utilized
in
photothermal
processes
that
rely
on
localized
surface
plasmon
resonance
effects.
However,
the
development
of
novel
gold(I)‐organic
frameworks
function
as
highly
efficient
for
production
hydrogen
peroxide
from
water
and
oxygen
presents
a
fascinating
challenging
research
opportunity.
Herein,
three
gold(I)
cyclic
trinuclear
complexes
(Au‐CTCs)
based
metal–organic
(MOFs)
prepared,
exhibiting
good
conversion
efficiency
H
2
O
evolution
rates.
Utilizing
optimized
Au‐TFPT,
rates
H₂O₂
can
reach
high
51,987
µ
m
g⁻¹
h⁻¹,
surpassing
performance
most
reported
(MOFs),
even
with
use
sacrificial
agents
to
accelerate
reaction.
The
thermal‐assisted
photocatalytic
mechanism
is
comprehensively
studied
by
transient
photocurrent
response,
electrochemical
impedance,
electron
paramagnetic
resonance,
rotating
ring
disk
electrode
test,
catalytic
among
others,
demonstrating
thermal
energy
enhance
mobility
photogenerated
carriers
apparent
quantum
yield,
regulate
reactive
species
ratio
selectivity,
reduce
activation
photocatalysis,
improve
mass
transfer
rates,
thereby
accelerating
reaction
process.
This
study
offers
new
insights
into
.
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
cationic
viologen-based
metalloporphyrin
polymers
exhibit
excellent
hydrophilicity.
With
varied
metal
centers,
three
M-MV
specifically
catalyze
HER,
OER,
and
NO
2
−
RR
in
aqueous
solutions.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Covalent
organic
frameworks
(COFs)
containing
dioxin‐linkages
are
highly
valued
for
their
exceptional
chemical
stability,
which
is
essential
practical
use.
However,
research
on
dioxin‐based
COFs
remains
limited.
Herein,
a
unique
nonplanar
2D
COF,
designated
as
TCP‐COF,
constructed
from
catechol‐porphyrin
units
interconnected
by
1,4‐dioxin
bonds,
exhibiting
staggered
AAA
stacking
pattern,
presented.
Remarkably,
TCP‐COF
can
undergo
in
situ
exfoliation
to
produce
ultrathin
nanosheets
when
it
utilized
photocatalyst
hydrogen
peroxide
(H
2
O
)
generation
water
and
air,
without
the
need
additives.
This
process
primarily
driven
distortion
of
porphyrin
weak
π
–
interaction
between
adjacent
layers
TCP‐COF.
The
resultant
significantly
reinforce
catalytic
activity,
achieving
photocatalytic
H
production
rate
3077
µmol
g
−1
h
.
mechanism
underlying
photosynthesis
further
explored
through
combination
experimental
analyses
theoretical
calculations.
study
provides
valuable
insights
development
efficient
COF‐based
photocatalysts
evolution.
