Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(37)
Опубликована: Май 1, 2024
Abstract
Recent
interest
has
surged
in
using
heterogeneous
carriers
to
boost
synergistic
photocatalysis
for
organic
transformations.
Heterogeneous
catalysts
not
only
facilitate
enhancement
of
distinct
catalytic
centers
compared
their
homogeneous
counterparts,
but
also
allow
the
easy
recovery
and
reuse
catalysts.
This
mini‐review
summarizes
recent
advancements
developing
carriers,
including
metal–organic
frameworks,
covalent–organic
porous
polymers,
others,
reactions.
The
advantages
materials
catalysis
originate
from
ability
provide
a
high
surface
area,
enhanced
mass
transport,
offer
tunable
chemical
structure,
ensure
stability
active
species,
enable
Both
photosensitizers
can
be
intricately
incorporated
into
suitable
create
dual
photocatalysts
Notably,
experimental
evidence
reported
cases
shown
that
efficacy
often
surpasses
analogues.
performance
is
attributed
proximity
confinement
effects
provided
by
nature
carriers.
It
expected
will
versatile
platform
integrating
diverse
catalysts,
thus
exhibiting
superior
across
range
transformations
appealing
prospect
industrial
applications.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(24)
Опубликована: Фев. 5, 2024
Abstract
Photoelectrochemical
(PEC)
technology
offers
new
opportunities
for
pushing
the
renewable
energy‐driven
ammonia
synthesis
toward
a
practical
level,
while
still
facing
unsatisfactory
efficiency
due
to
obstacle
of
dissociating
inert
nitrogen
triple‐bonds.
Herein,
novel
donor‐site‐acceptor
system
is
constructed
in
covalent
organic
frameworks
tackle
this
challenge
highly
efficient
PEC
synthesis.
Highly
active
boron
site
elaborately
embedded
between
donor
and
acceptor
units,
which
can
be
effectively
activated
with
continuous
electron
flow
upon
photoexcitation.
With
assistance
solar
irradiation,
stubborn
dissociation
successfully
changed
from
passive
endothermic
reaction
spontaneous
exothermic
process,
completely
eliminating
energy
barrier
rate‐determining
step
facilitating
overall
kinetics.
The
proof‐of‐concept
achieved
an
excellent
NRR
performance
remarkable
Faradaic
91.6%,
reaching
target
set
by
U.S.
Department
Energy
(90%).
Nanoscale,
Год журнала:
2024,
Номер
16(11), С. 5487 - 5503
Опубликована: Янв. 1, 2024
A
timely
review
on
the
recent
advances
of
metal–organic
framework-based
step-scheme
heterojunctions
with
respect
to
their
synthesis,
structures
and
applications
is
provided.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
Designing
and
developing
novel
photochromic
materials
with
additional
functions
such
as
photothermal
conversion
photocatalysis
are
challenging
but
meaningful
objectives.
Crystalline
naphthalenediimide
(NDI)-based
hybrids
an
attractive
class
of
multifunctional
fast-response
photoinduced
electron
transfer
charge
separation
properties.
They
promising
photocatalysts.
Herein,
a
hybrid
material,
EuPMo11O39(L)1.5(H2O)2]·DMA
(EuMo-NDI)
(L
=
N,N'-di(1-oxido-4-pyridyl)-1,4,5,8-naphthalenediimide),
was
prepared
solvothermal
method,
integrating
photoactive
NDI
derivative
Eu-substituted
polyoxometalate.
EuMo-NDI
exhibits
0D
structure
sensitive
behavior
under
UV-vis
light
irradiation
due
to
between
its
components.
The
colored
sample
demonstrated
efficient
near-infrared
the
strong
absorption
photogenerated
radical
anion
NDI•-
mixed
valence
heteropoly
blue
in
region.
Meanwhile,
is
easily
excited
presence
donors
form
species,
which
can
activate
inert
O2
superoxide
O2•-.
exhibited
high
photocatalytic
activity
for
C-3
thiocyanation
indoles
mild
conditions
using
white
driving
force.
This
work
provides
effective
avenue
design
photocatalysts
platforms.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(42), С. 28932 - 28940
Опубликована: Окт. 11, 2024
Single-crystalline
covalent
organic
frameworks
(COFs)
are
highly
desirable
toward
understanding
their
pore
chemistry
and
functions.
Herein,
two
50–100
μm
single-crystalline
three-dimensional
(3D)
COFs,
TAM-TFPB-COF
TAPB-TFS-COF,
were
prepared
from
the
condensation
of
4,4′,4″,4‴-methanetetrayltetraaniline
(TAM)
with
3,3′,5,5′-tetrakis(4-formylphenyl)bimesityl
(TFPB)
3,3′,5,5′-tetrakis(4-aminophenyl)bimesityl
(TAPB)
4,4′,4″,4‴-silanetetrayltetrabenzaldehyde
(TFS),
respectively,
in
1,4-dioxane
under
catalysis
acetic
acid.
Single-crystal
3D
electron
diffraction
reveals
triply
interpenetrated
dia-b
networks
atom
resolution,
while
isostructure
TAPB-TFS-COF
was
disclosed
by
synchrotron
single-crystal
X-ray
powder
Le
Bail
refinements.
The
nitrogen
sorption
measurements
at
77
K
disclose
microporosity
nature
both
activated
COFs
exceptionally
high
Brunauer–Emmett–Teller
surface
areas
3533
4107
m2
g–1,
representing
thus
far
record
specific
area
among
imine-bonded
COFs.
This
enables
to
exhibit
also
methane
uptake
capacities
up
28.9
wt
%
(570
cm3
g–1)
25
°C
200
bar
all
reported
far.
work
not
only
presents
structures
exceptional
but
provides
an
example
engineering
adjust
permanent
microporous
for
storage.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(12), С. 7036 - 7046
Опубликована: Янв. 1, 2024
An
imine-linked
covalent
organic
framework
based
on
benzotrithiophene
generates
superoxide
and
singlet
oxygen
to
carry
out
blue-light-driven
selective
aerobic
sulfoxidation.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(28)
Опубликована: Апрель 24, 2024
Abstract
A
novel
class
of
crystalline
porous
materials
has
been
developed
utilizing
multilevel
dynamic
linkages,
including
covalent
B−O,
dative
B←N
and
hydrogen
bonds.
Typically,
boronic
acids
undergo
in
situ
condensation
to
afford
B
3
O
‐based
units,
which
further
extend
molecular
complexes
or
chains
via
The
obtained
superstructures
are
subsequently
interconnected
bonds
π–π
interactions,
producing
organic
frameworks
(CPOFs).
CPOFs
display
excellent
solution
processability,
allowing
dissolution
subsequent
crystallization
their
original
structures,
independent
recrystallization
conditions,
possibly
due
the
diverse
bond
energies
involved
interactions.
Significantly,
can
be
synthesized
on
a
gram‐scale
using
cost‐effective
monomers.
In
addition,
numerous
acidic
sites
endow
with
high
NH
capacity,
surpassing
most
commercial
materials.
