Improvement strategies on application of covalent organic frameworks in adsorption, photocatalytic, and membrane processes for organic pollution removal from water
Coordination Chemistry Reviews,
Год журнала:
2024,
Номер
518, С. 216087 - 216087
Опубликована: Июль 18, 2024
Язык: Английский
Photocatalytic hydrogen peroxide production: Advances, mechanistic insights, and emerging challenges
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
12(5), С. 114143 - 114143
Опубликована: Сен. 16, 2024
Язык: Английский
Reactive oxygen species generation for catalysis and biotherapeutic applications based on crystalline porous materials
Coordination Chemistry Reviews,
Год журнала:
2024,
Номер
518, С. 216068 - 216068
Опубликована: Июль 17, 2024
Язык: Английский
Xantphos–Cu‐Decorated Covalent Organic Frameworks for C─H Arylation through Sensitized Electron Transfer
Akhtar Alam,
Monojit Roy,
Shyamali Maji
и другие.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 4, 2025
The
isoindolinone
scaffold
is
an
important
structural
motif
found
in
a
wide
range
of
naturally
occurring
and
synthetic
biologically
active
compounds.
However,
the
synthesis
derivatives
typically
requires
multi-step
procedures
or
use
palladium-based
catalysts,
which
are
often
hampered
by
low
reaction
yields
high
costs.
Recently,
covalent
organic
frameworks
(COFs)-emerging
crystalline
porous
materials-have
gained
considerable
attention
for
their
applications
various
transformations,
particularly
C─H
functionalization,
cross-coupling
redox
reactions.
Although
COFs
have
been
extensively
studied
photocatalysis,
development
sustainable
heterogeneous
catalysts
using
low-cost
transition
metal-based
photosensitizers
still
its
early
stages.
Herein,
strategy
presented
to
incorporate
copper-Xantphos
complex
with
tetrahedral
Cu(I)
geometry
into
COF
matrix.
This
modification
enables
unprecedented
simultaneous
electron
energy
transfer
efficiency
during
photocatalysis.
Cu-Xantphos
coordinated
exhibits
potent
photocatalytic
activity
via
C─Br
bond
cleavage
followed
C─C
formation.
In
addition,
catalyst
shows
excellent
recyclability
as
it
can
be
rejuvenated
reintroducing
after
multiple
cycles-highlighting
potential
cost-effective
solution
valuable
transformations.
Язык: Английский
A carbazole-based fully conjugated sp2c D–A covalent organic polymer for visible light mediated photocatalytic degradation of rhodamine B and Rose Bengal
Materials Advances,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
We
demonstrate
that
the
sp
2
carbon-linked
carbazole
based
covalent
organic
polymer
is
a
potential
photocatalyst
for
remediation
of
dyes
such
as
rhodamine
B
and
Rose
Bengal.
Язык: Английский
The Development of Metal-Free Porous Organic Polymers for Sustainable Carbon Dioxide Photoreduction
Nanomaterials,
Год журнала:
2024,
Номер
14(17), С. 1432 - 1432
Опубликована: Сен. 2, 2024
A
viable
tactic
to
effectively
address
the
climate
crisis
is
production
of
renewable
fuels
via
photocatalytic
reactions
using
solar
energy
and
available
resources
like
carbon
dioxide
(CO2)
water.
Organic
polymer
material-based
materials
are
thought
be
one
way
convert
into
valuable
chemicals
other
fuels.
The
use
porous
organic
polymers
(POPs)
for
CO2
fixation
capture
sequestration
produce
beneficial
compounds
reduce
global
warming
still
receiving
a
lot
interest.
Visible
light-responsive
photopolymers
that
functionally
designed
include
large
number
heteroatoms
an
extended
π-conjugation
allow
generation
photogenerated
charge
carriers,
improved
absorption
visible
light,
increased
separation,
decreased
recombination
during
photocatalysis.
Due
their
rigid
structure,
high
surface
area,
flexible
pore
size,
permanent
porosity,
adaptability
backbone
intended
purpose,
POPs
have
drawn
more
attention.
These
qualities
been
shown
highly
advantageous
numerous
sustainable
applications.
may
broadly
categorized
as
crystalline
or
amorphous
according
how
much
long-range
order
they
possess.
In
terms
performance,
conducting
outperform
inorganic
semiconductors
typical
dyes.
They
light-harvesting
with
remarkable
optical
characteristics,
photostability,
cheap
cost,
low
cytotoxicity.
Through
cocatalyst
loading
morphological
tweaking,
this
review
presents
optimization
options
preparation
techniques.
We
provide
analysis
ways
in
which
preparative
techniques
will
affect
materials’
physicochemical
characteristics
and,
consequently,
catalytic
activity.
An
inventory
experimental
methods
provided
characterizing
POPs’
optical,
morphological,
electrochemical,
characteristics.
focus
thoroughly
investigate
photochemistry
these
polymeric
photocatalysts
emphasis
on
understanding
processes
internal
transport
within
POPs.
covers
several
types
POP
materials,
including
those
based
conjugated
microporous
(CMPs),
inherent
microporosity
polymers,
hyper-crosslinked
aromatic
frameworks.
Additionally,
common
synthetic
approaches
briefly
discussed.
Язык: Английский
Challenges in photocatalysis using covalent organic frameworks
Journal of Physics Photonics,
Год журнала:
2024,
Номер
6(3), С. 031001 - 031001
Опубликована: Июнь 12, 2024
Abstract
Photocatalysis
is
an
attractive,
energy-efficient
technology
for
organic
transformations,
polymer
synthesis,
and
degradation
of
environmental
pollutants.
There
a
need
new
photocatalysts
stable
in
different
media
that
can
be
tailored
specific
applications.
Covalent
frameworks
(COF)
are
crystalline,
nanoporous
materials
with
π
-conjugated
backbone
monomers,
representing
versatile
platforms
as
heterogeneous,
metal-free
photocatalysts.
The
structure
to
achieve
desired
photocatalytic
properties,
side-chains
mediate
adsorption,
the
provides
large
surface
area
molecular
adsorption.
While
these
properties
make
COFs
attractive
photocatalysts,
several
fundamental
questions
remain
regarding
mechanisms
reactant
transport
into
porous
COF
structures,
both
structural
chemical
stability
various
environments.
In
this
perspective,
we
provide
brief
overview
identify
challenges
should
addressed
future
research
seeking
employ
We
close
outlook
perspective
on
directions
Язык: Английский