Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(37)
Опубликована: Июль 6, 2022
Currently,
nitrogen
fertilizers
feed
half
of
the
global
population,
but
their
use
is
limited
by
energy
consumption
and
transportation.
Therefore,
it
important
to
study
photocatalysts
for
in
solar
fertilizers.
Herein,
a
new
type
graphene-embedded
Ce-based
UiO-66
(Ce-UiO-66)
photocatalyst
(GSCe)
investigated.
Ce-UiO-66
activated
breakage
benzene-C
bonds
formation
active
sites
ultraviolet
light
water.
Moreover,
embedding
graphene
effectively
controls
activation
improves
fixation.
GSCe
exhibited
remarkable
apparent
quantum
efficiency
(AQE)
9.25
%
stability
under
365
nm
with
solar-level
intensity.
also
performed
well
as
ammonia
fertilizer
crop
cultivation.
This
investigation
opens
up
opportunities
fixation
be
used
environmentally
friendly
ACS Catalysis,
Год журнала:
2021,
Номер
11(3), С. 1593 - 1603
Опубликована: Янв. 19, 2021
Graphitic
carbon
nitride
materials
have
attracted
significant
interest
in
recent
years
and
found
applications
diverse
light-to-energy
conversions
such
as
artificial
photosynthesis,
CO2
reduction,
or
degradation
of
organic
pollutants.
However,
their
utilization
synthetic
photocatalysis,
especially
the
direct
functionalization
C(sp3)–H
bonds,
remains
underexplored.
Herein,
we
report
mesoporous
graphitic
(mpg-CN)
a
heterogeneous
semiconductor
photocatalyst
for
arylation
bonds
combination
with
nickel
catalysis.
Our
protocol
has
broad
scope
(>70
examples
including
late-stage
drugs
agrochemicals),
is
operationally
simple,
shows
high
chemo-
regioselectivities.
Facile
separation
recycling
mpg-CN
catalyst
its
low
preparation
cost,
innate
photochemical
stability,
toxicity
are
beneficial
features
overcoming
typical
shortcomings
homogeneous
photocatalysis.
Detailed
mechanistic
investigations
kinetic
studies
indicate
that
an
unprecedented
energy-transfer
process
(EnT)
from
to
complex
operating.
ACS Applied Materials & Interfaces,
Год журнала:
2021,
Номер
13(33), С. 39291 - 39303
Опубликована: Авг. 14, 2021
Covalent
organic
frameworks
(COFs)
are
appealing
platforms
for
photocatalysts
because
of
their
structural
diversity
and
adjustable
optical
band
gaps.
The
construction
efficient
COFs
heterogeneous
photocatalysis
transformations
is
highly
desirable.
Herein,
we
constructed
a
photoactive
COF
containing
benzothiadiazole
triazine
(BTDA–TAPT),
which
the
morphology
crystallinity
might
be
easily
tuned
by
slight
synthetic
variation.
To
unveil
relationship
photocatalytic
properties
between
structure
morphology,
analogous
were
synthesized
precisely
tailoring
building
blocks.
Systematic
investigations
indicated
that
tuning
greatly
impact
photoelectric
properties.
BTDA–TAPT
featuring
ordered
alignment
perfect
crystalline
nature
was
more
beneficial
promoting
charge
transfer
separation,
exhibited
superior
activity
visible
light-driven
oxidative
coupling
amines.
Outcomes
from
this
study
reveal
intrinsic
synergy
effects
photocatalysis.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(37)
Опубликована: Июль 6, 2022
Currently,
nitrogen
fertilizers
feed
half
of
the
global
population,
but
their
use
is
limited
by
energy
consumption
and
transportation.
Therefore,
it
important
to
study
photocatalysts
for
in
solar
fertilizers.
Herein,
a
new
type
graphene-embedded
Ce-based
UiO-66
(Ce-UiO-66)
photocatalyst
(GSCe)
investigated.
Ce-UiO-66
activated
breakage
benzene-C
bonds
formation
active
sites
ultraviolet
light
water.
Moreover,
embedding
graphene
effectively
controls
activation
improves
fixation.
GSCe
exhibited
remarkable
apparent
quantum
efficiency
(AQE)
9.25
%
stability
under
365
nm
with
solar-level
intensity.
also
performed
well
as
ammonia
fertilizer
crop
cultivation.
This
investigation
opens
up
opportunities
fixation
be
used
environmentally
friendly
