Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
Abstract
With
the
development
and
application
of
cryogenic
technology,
demand
for
temperature
measurement
in
environment
is
increasing.
Optical
sensing
can
provide
a
non‐contact
method
environments.
Herein,
new
route
based
on
persistent
luminescence
proposed.
The
single‐component,
coordination
crystal
Zn‐ddcphpy
with
electron
donor
acceptor
structures,
achieving
(6–7
s)
after
irradiating
by
ultraviolet
light
source
at
80
K.
decay
paramagnetic
resonance
show
that
reason
generation
photogenerated
charge
separation
recombination.
In
controlled
liquid
nitrogen
(80–260
K),
duration
decreases
increasing
temperature,
color
gradually
changes
from
green
to
yellow
spectrum
red‐shift.
Taking
as
model
material,
unquiet
sensitive
shows
convenience,
intuitive
inexpensive.
Furthermore,
LPL
(long‐persistent
luminescence)
exhibits
high
sensitivity
responsiveness
cryonic
environment,
make
it
suitable
real
time.
this
work,
change
indicate
without
contact,
which
be
used
monitoring
fields
wind
tunnels,
cold
chain
storage,
etc.
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.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(43), P. 58920 - 58930
Published: Oct. 17, 2024
Nanothermometers
can
detect
changes
in
the
local
temperature
living
cells
and
vivo,
revealing
fundamental
biological
properties.
Despite
exploration
of
different
temperature-responsive
materials,
design
development
temperature-sensing
probes
with
high
brightness
sensitivity
remain
a
daunting
challenge.
Here,
we
employed
UiO-66
type
metal-organic
frameworks
(MOFs)
to
anchor
UNCPs
on
surface
MOFs
for
constructing
MOF@UCNPs
nanohybrids.
The
situ
composite
method
leads
coordination
interaction
between
ligands
UCNPs,
enabling
controlled
formation
UCNPs.
Remarkably,
favors
anomalous
thermo-enhanced
luminescence,
achieving
35-fold
enhancement
UiO-66@NaYF4:Yb/Tm
at
413
K.
Furthermore,
these
nanohybrids
luminescence
are
developed
as
multifunctional
bioimaging
intracellular
sensing,
demonstrating
thermal
1.92%
K-1
physiological
range.
Based
findings,
monitoring
position
was
successfully
carried
out
by
designed
nanoprobes
vivo.
These
findings
underscore
potential
nanohybrids,
opening
up
new
avenues
platform
analysis.
