Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 2, 2024
A
proficient
heterogeneous
catalytic
system
for
the
photocatalytic
N-formylation
reaction
of
amines
and
cyclic
carbonate
synthesis
from
epoxides
using
CO2
as
a
carbon
source
under
ambient
conditions
has
been
documented.
sophisticated
approach
established
current
process,
aiming
successful
production
formamides
carbonates
with
high
levels
selectivity
efficiency
by
adjusting
several
variables
such
solvent,
time,
well
light
involved
in
reaction.
We
have
synthesized
two
distinct
catalysts,
T-COF
N-COF,
along
g-C3N4
heterojunction,
demonstrating
outstanding
performance.
Compared
to
g-C3N4@N-COF,
g-C3N4@T-COF
photocatalyst
showed
significantly
better
light-driven
formation
other
suitable
at
room
temperature.
The
g-C3N4@COF
photocatalysts
can
be
recycled
used
multiple
times
without
any
noticeable
decrease
efficiency.
Chemical Society Reviews,
Год журнала:
2022,
Номер
51(15), С. 6307 - 6416
Опубликована: Янв. 1, 2022
This
review
highlights
the
recent
advances
of
metalated
covalent
organic
frameworks,
including
synthetic
strategies
and
applications,
discusses
current
challenges
future
directions.
Materials Advances,
Год журнала:
2022,
Номер
3(22), С. 8063 - 8080
Опубликована: Янв. 1, 2022
The
review
provides
a
concise
report
on
various
types
of
COFs,
current
trends,
their
application
in
CO
2
reduction
via
photochemical,
electrochemical
and
photo
coupled
pathways.
Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
63(13), С. 5573 - 5590
Опубликована: Март 25, 2024
A
novel
triazine-based
structured
two-dimensional
(2D)
covalent
organic
framework
(COF),
known
as
TRITER-1,
has
been
prepared
through
the
Schiff-base
condensation
reaction
between
terephthalaldehyde
and
1,3,5-tris(4-aminophenyl)triazine.
Additionally,
g-C3N4
incorporated
within
imine-based
frameworks
to
produce
composite
TRITER-1@g-C3N4,
which
a
relatively
small
band
gap
of
2.0
eV.
This
composite,
called
synthesized
effectively
used
toward
light-driven
formation
methanol
from
most
greenhouse
gas
CO2.
highly
crystalline
polymeric
material
demonstrated
an
outstanding
photocatalytic
activity.
The
active
photocatalyst
TRITER-1@g-C3N4
successfully
reduces
CO2
into
under
ambient
conditions
in
presence
NiO
nanoparticles
cocatalyst
atmospheric
pressure.
visible-light-accelerated
metal-free
reduction
by
this
COF
accomplished
15
W
white
LED
light
illumination,
with
maximum
turnover
number
(TON
=
172,
μmol
22
600).
By
varying
intensity,
it
was
clear
that
failed
take
place
absence
LED.
We
proved
sunlight
can
also
TON
around
73
allow
for
sustainable
reactions.
catalyst
retains
its
catalytic
function
after
being
regenerated
multiple
times
is
effective
selective.
New Journal of Chemistry,
Год журнала:
2023,
Номер
47(14), С. 6673 - 6684
Опубликована: Янв. 1, 2023
Silver
nanoparticle
embedded
POP
was
synthesized
and
used
as
a
heterogeneous
catalyst
for
the
synthesis
of
α-alkylidene
cyclic
carbonates
acyclic
carbamates
via
CO
2
fixation
under
mild
conditions.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2023,
Номер
11(39), С. 14422 - 14434
Опубликована: Сен. 20, 2023
Sustainable
metal-free
catalytic
conversion
of
carbon
dioxide
(CO2)
via
cycloaddition
epoxides
with
CO2
has
shown
great
promise
but
suffers
from
a
lack
recyclability
because
the
homogeneous
nature,
limiting
their
use.
Heterogeneous
organocatalysts
have
gained
immense
attention
in
last
decade
superior
application
potential
and
important
characteristics,
they
also
play
pivotal
roles
making
environmentally
friendly
processes
reality.
Herein,
we
describe
an
unprecedented
postsynthetic
modification
approach
for
efficient
covalent
immobilization
quaternary
ammonium
salts
to
microporous
organic
framework
(COF).
More
interestingly,
no
noticeable
loss
crystallinity
occurred
after
(PSM)
salt-decorated
COF
(MA-PDA
IL@COF)
consists
only
micropores
(around
6–15
Å),
which
are
smaller
than
most
reported
COF-based
catalysts.
Detailed
investigations
on
chemical
fixation
reveal
that
ionic
liquid-based
is
promising
catalyst
promote
coupling
under
very
mild
conditions
(metal-free/solvent-free/cocatalyst-free/additive-free
1
atm
pressure).
The
displayed
quantitative
selectivity,
more
intriguingly,
reaction
high
efficiency,
broad
scope,
functional
group
tolerance
without
additives
or
cocatalysts.
system
can
be
recovered
repeated
use
at
least
five
times
almost
similar
performance
prerequisite
industrial
implementation.
