Molecules,
Год журнала:
2023,
Номер
28(19), С. 6826 - 6826
Опубликована: Сен. 27, 2023
Due
to
their
fascinating
topological
structures
and
application
prospects,
coordination
supramolecular
complexes
have
continuously
been
studied
by
scientists.
However,
the
controlled
construction
property
study
of
organometallic
handcuffs
remains
a
significant
challenging
research
subject
in
area
chemistry.
Hence,
series
tetranuclear
heterometallic
bearing
different
size
metal
types
were
rationally
designed
successfully
synthesized
utilizing
quadridentate
pyridyl
ligand
(tetra-(3-pyridylphenyl)ethylene)
based
on
three
Cp*Rh
(Cp*
=
η5-C5Me5)
fragments
specific
longitudinal
dimensions
conjugated
planes.
These
results
determined
with
single-crystal
X-ray
diffraction
analysis
technology,
ESI-MS
NMR
spectroscopy,
etc.
Importantly,
photoquenching
effect
Cp*
groups
discrepancy
intermolecular
π-π
stacking
interactions
between
building
block
half-sandwich
promote
markedly
photothermal
conversion
results.
will
further
push
synthesis
development
materials.
Advanced Materials,
Год журнала:
2024,
Номер
36(23)
Опубликована: Фев. 27, 2024
Abstract
Although
metal
single‐atom
(SA)‐based
nanomaterials
are
explored
as
sonosensitizers
for
sonodynamic
therapy
(SDT),
they
normally
exhibit
poor
activities
and
need
to
combine
with
other
therapeutic
strategies.
Herein,
the
deposition
of
SAs
on
oxygen
vacancy
(OV)‐rich
WO
3−
x
nanosheets
generate
a
synergistic
effect
efficient
SDT
is
reported.
Crystalline
3
OV‐rich
first
prepared
by
simple
calcination
·H
2
O
under
an
air
N
atmosphere,
respectively.
Pt,
Cu,
Fe,
Co,
Ni
then
deposited
obtain
SA‐decorated
nanocomposites
(M‐WO
).
Importantly,
Cu‐WO
sonosensitizer
exhibits
much
higher
activity
ultrasound
(US)‐induced
production
reactive
species
than
that
Cu
,
which
also
M‐WO
nanosheets.
Both
experimental
theoretical
results
suggest
excellent
performance
should
be
attributed
between
OVs.
Therefore,
after
polyethylene
glycol
modification,
can
quickly
kill
cancer
cells
in
vitro
effectively
eradicate
tumors
vivo
US
irradiation.
Transcriptome
sequencing
analysis
further
molecular
validation
‐mediated
SDT‐activated
apoptosis
TNF
signaling
pathways
potential
drivers
tumor
induction.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(5), С. 2352 - 2362
Опубликована: Янв. 24, 2024
The
exploration
of
smart
sensors
is
great
significance
for
the
selectivity,
sensitivity,
and
ability
to
show
low
detection
limit
target
analyte.
Here,
we
have
used
linker
H2L
(5-((anthracen-9-ylmethyl)amino)isophthalic
acid)
construction
{[Cd(L)(DMF)(H2O)2]·H2O}n
(1)
which
in
order
with
chromophore
anthracene
moiety
free
−NH
functionality
as
a
guest
interaction
site.
This
framework
showed
luminescence
recovery
"turn-on"
Al3+
ion
an
aqueous
solution.
An
exhaustive
mechanism
study
disclosed
that
Lewis
acid–base-type
between
–NH
revealed
absorbance
caused
enhancement
sensing
event.
Besides
event,
"turn-off"
phenomenon
1
also
noticed
when
it
detects
hazardous
oxo-anions
(MnO4–
CrO42–)
values
17.08
19.91
ppb,
respectively.
these
diverse
analytes
are
very
fast
(10
s)
they
can
be
recognized
through
colorimetric
response.
mechanisms
established
by
photoinduced
electron
transfer,
Forster
resonance
energy
inert
filter
effect
along
theoretical
investigation.
Furthermore,
application
versatile
podium,
MOF
gel
composite,
1@AA
(AA
=
Agar–Agar),
was
developed
from
AA.
Interestingly,
under
UV
light.
Therefore,
sensor
behaves
sensory
material
recognition
above
simultaneous
effect.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(32)
Опубликована: Май 20, 2024
Triply
interlocked
[2]catenane
complexes
featuring
two
identical,
mechanically
units
are
extraordinarily
rare
chemical
compounds,
whose
properties
and
applications
remain
open
to
detailed
studies.
Herein,
we
introduce
the
rational
design
of
a
new
ligand
precursor,
L1,
suitable
for
synthesis
six
triply
[2]catenanes
by
coordination-driven
self-assembly.
The
compounds
can
be
reversibly
converted
into
corresponding
simple
triangular
prism
metallacage
addition
H
Chinese Journal of Chemistry,
Год журнала:
2023,
Номер
41(23), С. 3229 - 3237
Опубликована: Июль 19, 2023
Comprehensive
Summary
Making
full
use
of
coordination‐driven
self‐assembly
strategy,
we
herein
described
the
selective
synthesis
a
molecular
Borromean
rings
and
two
cases
“U”‐shaped
tweezer‐like
assemblies
in
high
yield
by
using
bipyridyl
ligands
based
on
biphenyl
unit
half‐sandwich
binuclear
rhodium(III)/iridium(III)
building
blocks.
The
was
realized
adjusting
length
dipyridyl
arms.
utilization
curved
U‐shaped
ligand
L1
led
to
assemblies.
Subsequently,
olefinic
bonds
were
introduced
elongate
arms
obtaining
L2
.
has
stable
conformations,
U‐shape
Z‐shape,
which
facilitated
formation
different
topologies
including
tetranuclear
macrocycle
with
blocks
this
work.
These
structures
solid
solution
all
have
been
further
confirmed
single‐crystal
X‐ray
diffraction,
NMR
analysis,
mass
spectrometry.
In
addition,
as
an
important
driving
force,
π‐π
stacking
interactions
not
only
played
significant
role
stability
but
also
triggered
photothermal
conversion
solution.
experimental
results
demonstrated
that
compounds
1a
2
had
good
NIR
efficiency
(11.83%
17.76%),
analysis
found
gradual
increase
trend
increasing.
This
research
expands
application
topological
materials
science
provides
new
idea
for
novel
materials.
Dalton Transactions,
Год журнала:
2023,
Номер
52(39), С. 13872 - 13877
Опубликована: Янв. 1, 2023
Lanthanide
metal-organic
framework
(Ln-MOF)
based
phosphors
for
light-emitting
diodes
(LEDs)
play
an
important
role
in
the
fields
of
solid-state
lighting
and
display.
The
rational
design
organic
antennae
to
address
drawback
low
extinction
coefficients
lanthanide
ions
is
highly
desired.
In
this
work,
we
provide
a
new
strategy
achieve
energy
transfer
molecule
with
through-space
conjugated
folded
structure,
which
can
strengthen
skeleton
rigidity
facilitate
triplet
state
transfer.
Consequently,
one
U-type
π-conjugated
2,6-bis(3,5-dicarboxylphenoxy)
pyridine
(H4L)
was
selected
as
light
gatherer
sensitize
construction
Ln-MOFs
[Ln(HL)(H2O)3]n
(Eu-MOF
Tb-MOF),
exhibit
long-lived
luminescence
lifetime
(0.88
ms
Eu-MOF
1.31
Tb-MOF)
high
quantum
yields
(50.87%
85.64%
Tb-MOF).
Furthermore,
white
LED
device
colour
rendering
index
(89)
fabricated
using
mixture
commercial
blue
phosphor.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 20, 2024
In
this
work,
a
noncoplanar
terphenyl
served
as
building
block
to
synthesize
novel
3,3'-substituted
bipyridyl
ligand
(L1)
which
further
reacted
with
binuclear
half-sandwich
units
A/B,
giving
rise
two
aesthetic
4
