Crystal Growth & Design,
Год журнала:
2022,
Номер
22(5), С. 2775 - 2792
Опубликована: Март 31, 2022
Ranging
from
structure
to
property,
the
design
of
reasonable
structures
leading
high-performance
electrochemical
properties
has
enabled
metal–organic
frameworks
(MOFs)
have
great
achievement
in
energy
conversion.
Since
Co(II)
multiple
valence
states
and
is
especially
abundant,
CoMOFs
emerged
as
latent
materials
electrocatalysts
overall
water
splitting.
In
fact,
CoMOFs/carbon-based
hybrid
(Co/CHMs)
exhibit
all
kinds
architectures,
marvelous
capabilities,
synergistic
effects,
overcoming
relative
insulation
single
carbon
materials.
The
effect
CoMOFs-based
forming
a
unique
interface
can
increase
specific
surface
area
accelerate
electron
transfer
rates,
resulting
enhanced
terms
this
review,
various
Co/CHMs
(carbon
=
GO/RGO,
CNT,
black)
are
summarized.
relationship
between
activity
splitting
discussed.
Finally,
review
supply
certain
degree
reference
for
field
number
helpful
comments
prospective
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(40), С. 22176 - 22183
Опубликована: Окт. 2, 2023
Single
crystals
with
chiral
shapes
aroused
the
interest
of
chemists
due
to
their
fascinating
polarization
rotation
properties.
Although
formation
large-scale
spiral
structures
is
considered
be
a
potential
factor
in
crystals,
precise
mechanism
behind
remains
elusive.
Herein,
we
present
rare
phenomenon
involving
multitransfer
and
expression
chirality
at
micro-,
meso-,
macroscopic
levels,
starting
from
carbon
atoms
extending
double-helical
secondary
structure,
ultimately
resulting
geometry
crystals.
The
assembly
double
helices
facilitated
by
dual
characteristics
amide
groups
derived
amino
acids,
which
serve
as
both
hydrogen
bond
donors
receptors,
similar
pattern
observed
DNA.
Crystal
face
analysis
theoretical
morphology
reveal
two
critical
factors
for
crystal:
inherent
intrinsically
symmetrical
distribution
crystal
faces
acquired
growth.
Importantly,
magnetic
circular
dichroism
(MCD)
study
reveals
strong
magneto-optical
response
hypersensitive
f-f
transition
UV-vis-NIR
region,
much
stronger
than
previously
signals.
Remarkably,
an
external
field
can
reverse
CD
signal.
This
research
highlights
lanthanide-based
helical
promising
materials.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(33)
Опубликована: Май 4, 2023
Entangled
(M3
L2
)n
polyhedral
complexes
represent
a
unique
class
of
supramolecular
architectures
that
are
stabilized
by
relatively
weak
metal-acetylene
interactions
in
cooperation
with
conventional
metal-pyridyl
coordination.
Counter-anion
exchange
these
nitrate
(NO3-
)
ion
triggered
formal
metal
insertion
between
the
centers,
and
heteroleptic
ternary
coordination
mode
acetylenic,
pyridyl,
donors
was
generated
on
centers.
As
result,
main
frameworks
M18
L12
M12
L8
were
formally
extended
into
new
series
concave
polyhedra
having
compositions
M21
M13
,
respectively.
This
transformation
also
resulted
local
disconnection
highly
entangled
trifurcate
topology
framework,
providing
clues
toward
skeletal
editing
complex
three-dimensional
(3D)
architectures.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(9)
Опубликована: Янв. 10, 2024
Abstract
A
saddle‐shaped
π‐extended
zinc
porphyrin
containing
a
peripheral
pyridyl
ligand
undergoes
quantitative
self‐assembly
into
cyclic
trimer.
The
trimer
has
prismatic
structure
with
negatively
curved
side
walls,
which
promote
the
formation
of
supramolecular
organic
frameworks
stabilized
by
dispersion
interactions.
first
framework
type,
UWr‐1
,
npo
topology,
hexagonal
analogous
to
Schwartz
H
triply
periodic
minimal
surface.
Co‐crystallization
either
C
60
and
70
produces
isomorphous
cubic
UWr‐2
UWr‐3
phases,
characterized
ctn
network
topology
structural
relationship
Fischer‐Koch
surface
S.
All
three
phases
contain
complex
labyrinths
solvent‐filled
channels,
corresponding
very
large
probe‐accessible
volumes
(68
%
76
%).
could
be
partly
desolvated
while
retaining
its
long
range
dimensional
order,
indicating
remarkable
strength
interactions
in
crystal.
theoretical
analysis
noncovalent
shows
role
geometrical
matching
between
units
positively
fullerenes.
Macromolecular Rapid Communications,
Год журнала:
2022,
Номер
43(14)
Опубликована: Фев. 15, 2022
Terpyridine
(tpy)-based
3D
discrete
metallosupramolecular
architectures,
which
are
often
inspired
by
polyhedral
geometry
and
the
biological
structures
found
in
nature,
have
drawn
significant
attention
from
community
of
chemistry.
Because
linear
tpy-M(II)-tpy
connectivity,
creation
sophisticated
metallosupramolecules
based
on
tpy
remains
a
formidable
synthetic
challenge.
Nevertheless,
with
recent
advancement
ligand
design
self-assembly,
diverse
polyhedrons,
such
as
Platonic
solids,
Archimedean
prims
well
Johnson
been
constructed
their
potential
applications
explored.
This
review
summarizes
progress
tpy-based
metallosupramolecules,
aiming
to
shed
more
light
construction
novel
architectures
molecular-level
precision
through
coordination-driven
self-assembly.
Crystal Growth & Design,
Год журнала:
2022,
Номер
22(5), С. 2775 - 2792
Опубликована: Март 31, 2022
Ranging
from
structure
to
property,
the
design
of
reasonable
structures
leading
high-performance
electrochemical
properties
has
enabled
metal–organic
frameworks
(MOFs)
have
great
achievement
in
energy
conversion.
Since
Co(II)
multiple
valence
states
and
is
especially
abundant,
CoMOFs
emerged
as
latent
materials
electrocatalysts
overall
water
splitting.
In
fact,
CoMOFs/carbon-based
hybrid
(Co/CHMs)
exhibit
all
kinds
architectures,
marvelous
capabilities,
synergistic
effects,
overcoming
relative
insulation
single
carbon
materials.
The
effect
CoMOFs-based
forming
a
unique
interface
can
increase
specific
surface
area
accelerate
electron
transfer
rates,
resulting
enhanced
terms
this
review,
various
Co/CHMs
(carbon
=
GO/RGO,
CNT,
black)
are
summarized.
relationship
between
activity
splitting
discussed.
Finally,
review
supply
certain
degree
reference
for
field
number
helpful
comments
prospective
