Zinc(II) 2D Coordination Polymer With Terephthalate and 4,6‐Bis(Imidazol‐1‐yl)‐2,1,3‐Benzoxadiazole Linkers as a Selective Luminescent Probe for Gallium(III) Cations
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(3)
Published: Feb. 26, 2025
ABSTRACT
A
two‐dimensional
(2D)
zinc(II)
coordination
polymer
CP‐1
,
[Zn(im
2
bod)(bdc)]
n
(im
bod
=
4,6‐bis(imidazol‐1‐yl)‐2,1,3‐benzoxadiazole,
bdc
2−
1,4‐benzenedicarboxylate),
was
synthesized
and
fully
characterized.
crystallizes
in
the
monoclinic
crystal
system,
space
group
P
1
/n.
Zn
2+
ions
adopt
a
four‐coordinated
distorted
tetrahedral
geometry.
The
structure
of
comprises
layer
consisting
cations
connected
by
im
ligands.
adjutant
layers
participate
π‐π
stacking
interactions
via
benzene
2,1,3‐benzoxadiazole
rings.
demonstrated
blue
emission
with
maximum
at
490
nm
photoluminescence
quantum
yield
24%.
Luminescent
sensing
properties
aqueous
suspension
toward
metal
were
evaluated,
selective
quenching
response
observed
Ga
3+
limit
detection
10
μM.
Language: Английский
2,1,3-Benzoxadiazole-based luminescent metal-organic coordination polymer for sensitive detection of dihydrogen phosphate anion and trivalent metal cations
Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown, P. 116779 - 116779
Published: Feb. 1, 2025
Language: Английский
Lanthanum(III) Coordination Polymer Decorated With 2,1,3‐Benzoxadiazole Units for Sensitive Luminescent Recognition of Sulfate Anion
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(3)
Published: Feb. 21, 2025
ABSTRACT
One‐dimensional
coordination
polymer
La‐CP
,
{[La(H
2
O)
(HL
O
)
(L
)]·H
O}
n
containing
a
new
luminescent
ligand
4,7‐di(4‐carboxypyrazol‐1‐yl)‐2,1,3‐benzoxadiazole
(H
L
was
synthesized.
Upon
excitation
at
400
nm,
the
compound
shows
strong
emission
with
maximum
550
nm
high
photoluminescence
quantum
yield
of
43%.
demonstrates
sensing
properties
toward
aluminum
and
gallium
cations,
as
well
dihydrogen
phosphate
sulfate
anions
through
enhancement
response.
The
limits
detection
were
0.42,
0.70,
0.37,
0.40
μM,
respectively.
is
first
example
sensor
for
anion
among
all
types
polymers.
uptake
analytes
under
conditions
evaluated,
absorption
result
such
proposed
probable
response
mechanism.
Language: Английский
Photocatalytic and Photoluminescence Studies of a Gel-Grown Metal-Organic Framework of Ba(II) with 1-5-Naphthalenedisulfonic Acid
S. Shibu Prasad
No information about this author
Russian Journal of Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Language: Английский
Molecular Switches Guided by a Reversible Access to Room-Temperature Phosphorescence and ESIPT Fluorescence
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 2, 2025
This
work
contributes
to
luminescent
molecular
switches
featuring
several
emission
pathways,
which
can
be
activated
by
external
stimuli.
We
designed
Zn
complexes
with
phenylbenzothiazole-based
α-aminomethylphosphine
oxide
(L)
and
isolated
them
as
crystalline
phases,
α-[ZnL2Cl2],
[ZnL(EtOAc)Cl2],
[ZnL2Cl2]·1.5CH2Cl2,
[ZnL2Cl2]·1.5CHCl3.
They
feature
an
intramolecular
hydrogen
bond
of
medium
strength,
capable
excited-state
proton
transfer
(ESIPT),
well
able
for
intersystem
crossing
between
singlet
triplet
states.
Since
neither
these
processes
is
predominant,
one
or
the
other
occur
depending
on
a
slight
change
in
geometry.
The
phases
reveal
red-colored
ESIPT
fluorescence,
while
metastable
amorphous
phase
β-[ZnL2Cl2]
similar
structure
coordination
center
reveals
yellow-colored
room-temperature
phosphorescence.
Combined
experimental
quantum-chemical
TD-DFT
study
clarified
dual
behavior
polymorphs
α-[ZnL2Cl2]
β-[ZnL2Cl2],
attributed
high
dependence
probability
geometry
phenylbenzothiazole
moiety.
reversible
transition,
accompanied
mechanism
(ESIPT
fluorescence
vs
phosphorescence),
manipulated
fuming
CHCl3
Et2O,
respectively.
have
demonstrated
good
adhesive
properties
polymer-free
film
toward
glass
plastic,
naked-eye
color
response
easy
recovery
CHCl3.
Language: Английский
A new 2D Zn(II)-based coordination polymer as highly sensitive selective fluorescent probe for of glutathione
Inorganica Chimica Acta,
Journal Year:
2025,
Volume and Issue:
unknown, P. 122718 - 122718
Published: April 1, 2025
Language: Английский
Zinc Metal-Organic Coordination Polymer with 4,7-di(1,2,4-triazol-1-yl)-2,1,3-Benzothiadiazole and 1,4-Naphthalene Dicarboxylic Acid: Luminescent Properties and Guest–Host Charge Transfer
Journal of Structural Chemistry,
Journal Year:
2024,
Volume and Issue:
65(12), P. 2567 - 2578
Published: Dec. 1, 2024
Language: Английский