Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(38), P. 26198 - 26206
Published: Sept. 10, 2024
Covalent
organic
frameworks
(COFs)
have
potential
applications
in
a
wide
range
of
fields.
However,
it
remains
critical
challenge
to
constrain
their
covalent
expansions
the
one-dimensional
(1D)
direction.
Here,
we
developed
general
approach
fabricate
15
different
highly
crystalline
COFs
with
zigzag-packed
1D
porous
chains
through
condensation
V-shaped
ditopic
linkers
and
X-shaped
tetratopic
knots.
Appropriate
geometrical
combinations
scope
knots
distinct
aromatic
cores,
linkages,
functionalities
offer
series
quasi-1D
dominant
pore
sizes
7-13
Å
surface
areas
116-784
m
Accounts of Chemical Research,
Journal Year:
2024,
Volume and Issue:
57(6), P. 870 - 883
Published: Feb. 29, 2024
ConspectusTo
cope
with
the
increasingly
global
greenhouse
effect
and
energy
shortage,
it
is
urgent
to
develop
a
feasible
means
convert
anthropogenic
excess
carbon
dioxide
(CO2)
into
resources.
The
photocatalytic
CO2
reduction
reaction
(CO2RR)
coupled
water
oxidation
(WOR),
known
as
artificial
photosynthesis,
green,
clean,
promoting
strategy
deal
above
issues.
Among
reported
systems
for
reduction,
main
challenge
achieve
WOR
simultaneously
due
limited
charge
separation
efficiency
complicated
dynamic
process.
To
address
problem,
scientists
have
assembled
two
nanosemiconductor
motifs
CO2RR
heterojunction
photocatalyst
realize
photosynthesis.
However,
difficult
clearly
explore
corresponding
catalytic
mechanism
establish
an
accurate
structure–activity
relationship
at
molecular
level
their
aperiodic
distribution
structural
information.
Standing
on
shoulders
of
photocatalysts,
new-generation
material,
hetero-motif
junction
(HMMJ)
has
been
developed
studied
by
our
laboratory.
A
class
crystalline
materials
well-defined
periodic
structure,
adjustable
assembly
mode,
semiconductor-like
properties,
which
composed
predesigned
respectively,
coordination
or
covalent
bonds.
intrinsic
properties
make
these
catalysts
susceptible
functional
modifications
improve
light
absorption
electrical
conductivity.
small
size
short
distance
can
greatly
promote
photogenerated
electron–hole
migration.
Based
advantages,
they
be
used
potential
excellent
photocatalysts
Notably,
explicit
information
determined
single-crystal
powder
X-ray
diffraction
provide
visual
platform
mechanism.
More
importantly,
connection
number,
spatial
distance,
interaction,
arrangement
mode
well-designed
detailed
that
hardly
in
nanoheterojunction
systems.
In
this
regard,
HMMJ
new
frontier
photosynthesis
serve
important
bridge
between
solid
photocatalysts.
Thus,
very
summarize
state-of-the-art
give
in-depth
insight
future
development.In
Account,
we
summarized
recent
advances
using
mainly
focusing
results
lab.
We
present
overview
current
knowledge
about
introduce
design
schemes
unique
advantages
compared
other
construction
strategies
application
explain
why
junctions
promising
show
powerful
studying
photocatalysis.
dynamics
are
illustrated.
Finally,
bring
outlook
challenges
development
prospects
believe
Account
will
afford
insights
high-efficiency
guidance
more
atom-economic,
environmentally
friendly,
sustainable
way.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(18), P. 12288 - 12293
Published: April 23, 2024
New
Ru–Pd
heterobimetallic
complexes
were
synthesized
and
structurally
characterized
utilizing
6,6″-bis(phosphino)-2,2′:6′,2″-terpyridine
as
a
scaffold
for
the
metal–metal
bond.
The
dicationic
complex
was
found
to
exhibit
high
catalytic
activity
photocatalyst
photochemical
reduction
of
CO2
CO
under
visible
light
irradiation.
This
study
established
new
design
transition
metal
catalysts
that
tune
photoredox
catalysis
with
metalloligands.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Metal
oxides,
metal
sulfides,
MXenes,
and
metal–organic
frameworks
act
as
catalysts,
while
covalent
organic
frameworks,
carbon
nitrides,
phosphides,
graphene
oxides
serve
cocatalysts
for
CO
2
photoreduction
to
multicarbon
products.
