Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
39(1)
Published: Sept. 24, 2024
ABSTRACT
A
novel
3D
magnesium‐based
metal
organic
framework
(Mg‐MOF)
has
been
solvothermally
synthesized
using
5‐(pyridin‐4‐yl)isophthalic
acid.
The
ligand
demonstrated
to
preserve
two
types
of
coordination
modes
depending
on
the
connection
mode
pyridine
group.
uncoordinated
groups
provide
Lewis
base
sites
(LBSs),
whereas
coordinated
ones
promote
form
a
rarely
reported
eight‐connected
tetranuclear
Mg
clusters.
Benefiting
from
multinuclearity
with
high
number
connections,
keeps
good
performance
thermal
stability
until
500°C.
Furthermore,
exhibits
potential
open
(OMSs)
benefiting
terminal
water
Owing
abundant
active
sites,
Mg‐MOF
sensitivity
nitrofuran
antibiotics
and
Cr
2
O
7
2−
,
K
SV
(at
10
4
M
−1
level)
low
limit
detection
(LOD)
values
(∼10
−6
M).
Density
functional
theory
(DFT)
investigation
reveals
that
interchange
HOMO–LUMO
energy
levels
is
responsible
for
sensing
activity.
In
addition,
greatly
recyclable
in
five
cycles
while
maintaining
structural
rigidity
activity,
making
it
promising
luminescence
probe
material.
