Zeitschrift für anorganische und allgemeine Chemie,
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 21, 2023
Abstract
A
series
of
3d–4f
heterometallic
complexes,
namely
[Ln
2
Co
(2,3‐DCB)
10
(phen)
]
[Ln=Nd
(
1
),
Sm
Eu
3
Gd
4
Tb
5
Dy
6
Er
7
)],
were
obtained
through
the
self‐assembly
reactions
Ln(NO
)
⋅
n
H
O,
Co(NO
6H
2,3‐dichlorobenzoic
acid
(2,3‐HDCB),
NaOH
and
1,10‐phenanthroline
under
solvothermal
conditions.
Their
crystal
structures
determined
by
single‐crystal
X‐ray
diffraction.
They
also
characterized
elemental
analysis,
FT‐IR,
powder
diffraction
(PXRD)
thermogravimetric
analysis
(TGA)
differential
thermoanalysis
(DTA).
These
seven
complexes
have
same
molecular
formula
but
different
structures.
Complexes
–
,
as
well
are
crystallographically
isomorphous,
respectively.
all
exhibit
zero‐dimensional
(0D)
linear
tetranuclear
cluster
0D
clusters
can
be
further
connected
into
a
two‐dimensional
(2D)
supramolecular
network
via
extensive
intermolecular
π–π
interactions
between
2,3‐DCB
phen.
The
photoluminescent
properties
magnetic
investigated.
Complex
shows
slow
relaxation
behavior.
Dalton Transactions,
Год журнала:
2021,
Номер
50(46), С. 17023 - 17028
Опубликована: Янв. 1, 2021
Photochromic
materials
coupled
with
photoswitchable
luminescence
functionalities
are
of
particular
interest
due
to
their
potential
applications
in
switches
and
optical
memory
devices.
However,
the
construction
such
materials,
especially
those
two-color
emission
states,
is
still
challenging.
In
this
context,
a
rare
Zn7
cluster-based
host-guest
MOF
material,
(bbmp)[Zn7(IPA)6(OH)4(H2O)2]
(1)
(H2IPA
=
isophthalic
acid,
bbmp·2I
4,4'-([1,1'-biphenyl]-4,4'-diyl)bis(1-methylpyridin-1-ium)
diiodide),
was
prepared
by
encapsulating
an
organic
cation
into
anionic
produced
from
zinc
cations
acid
ligands,
which
exhibits
reversible
naked
detectable
photochromic
properties
varying
yellow
green
upon
UV-Vis
light
irradiation.
The
photoactive
guest
bbmp2+
short
O⋯N+
distances
between
oxygen
atoms
carboxylate
groups
pyridine
ring
play
crucial
role
photochromism
compound.
More
interestingly,
color
material
can
be
reversibly
switched
blue
irradiation,
exhibiting
properties.
Zeitschrift für anorganische und allgemeine Chemie,
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 21, 2023
Abstract
A
series
of
3d–4f
heterometallic
complexes,
namely
[Ln
2
Co
(2,3‐DCB)
10
(phen)
]
[Ln=Nd
(
1
),
Sm
Eu
3
Gd
4
Tb
5
Dy
6
Er
7
)],
were
obtained
through
the
self‐assembly
reactions
Ln(NO
)
⋅
n
H
O,
Co(NO
6H
2,3‐dichlorobenzoic
acid
(2,3‐HDCB),
NaOH
and
1,10‐phenanthroline
under
solvothermal
conditions.
Their
crystal
structures
determined
by
single‐crystal
X‐ray
diffraction.
They
also
characterized
elemental
analysis,
FT‐IR,
powder
diffraction
(PXRD)
thermogravimetric
analysis
(TGA)
differential
thermoanalysis
(DTA).
These
seven
complexes
have
same
molecular
formula
but
different
structures.
Complexes
–
,
as
well
are
crystallographically
isomorphous,
respectively.
all
exhibit
zero‐dimensional
(0D)
linear
tetranuclear
cluster
0D
clusters
can
be
further
connected
into
a
two‐dimensional
(2D)
supramolecular
network
via
extensive
intermolecular
π–π
interactions
between
2,3‐DCB
phen.
The
photoluminescent
properties
magnetic
investigated.
Complex
shows
slow
relaxation
behavior.
