ACS Materials Letters,
Год журнала:
2024,
Номер
unknown, С. 417 - 424
Опубликована: Дек. 30, 2024
Metal–organic
frameworks
(MOFs)
with
long
afterglow
luminescence
(LAL)
have
gained
attention
for
applications
in
light-emitting
devices
and
anticounterfeiting.
However,
developing
cost-effective
high-performance
dynamic
multicolor
LAL
MOFs
remains
challenging.
Here,
the
rigid
organic
ligand
5-fluoronicotinic
acid
(FL),
which
incorporates
a
F
atom
to
form
molecular
interlocking
inhibit
nonradiative
transitions,
was
chosen
self-assemble
MCl2
(M
=
Zn
Cd)
fabricate
long-lived
phosphorescent
MOFs.
The
synthesized
MOFs,
namely,
FLCd,
FLZn,
FLCd-DMF,
exhibit
excitation-dependent
luminescence,
ranging
from
blue/cyan
green,
cold
white
light
emissions
under
specific
excitations.
Furthermore,
all
achieve
color-tuning
based
on
excitation
wavelength
temperature.
Photoluminescence
properties
theoretical
calculations
indicate
that
arises
of
FL
its
aggregation
state,
while
enhanced
phosphorescence
can
be
assigned
heavy-atom
effects,
coordination,
noncovalent
interactions.
Additionally,
by
leveraging
their
behavior,
these
are
applied
encrypting/decrypting
information.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
0D
hybrid
metal
halide
(HMH)
luminescent
glasses
have
garnered
significant
attentions
for
its
chemical
diversity
in
optoelectronic
applications
and
it
also
retains
the
skeleton
connectivity
coordination
mode
of
crystalline
counterparts
while
exhibiting
various
physics/chemistry
characteristics
distinct
from
states.
However,
understanding
glass-forming
ability
specific
structural
origins
underpinning
properties
HMH
remains
elusive.
In
this
review,
is
started
solid-liquid
phase
transition
thermodynamic
analysis
HMHs
formed
through
melt-quenching,
summarize
current
compounds
capable
stably
forming
glassy
phases
via
design.
The
characterization
methods
are
further
discussed
highlight
exceptional
transparency,
properties,
glass
crystallization
behaviors.
Moreover,
application
prospects
demonstrated
by
these
been
presented
accordingly
X-ray
detection
imaging,
anti-counterfeiting,
information
encryption.
Finally,
perspective
offered
into
future
development
emerging
family
their
applications.
The Journal of Physical Chemistry Letters,
Год журнала:
2025,
Номер
16(2), С. 537 - 543
Опубликована: Янв. 6, 2025
Organic
room-temperature
phosphorescent
(RTP)
materials
have
wide-ranging
applications
in
anticounterfeiting,
biodiagnostics,
and
optoelectronic
devices
due
to
their
unique
properties.
However,
it
remains
a
challenge
give
organic
RTP
dynamic
tunability
satisfy
the
demands
of
various
advanced
applications.
Herein,
we
propose
an
effective
strategy
precisely
modulate
performance
by
incorporating
metal–ligand
coordination
within
host–guest
doped
system.
The
phosphors
bipyridine
derivatives
with
excellent
properties
were
into
small-molecule
host
matrix.
Halide
salts
system
effectively
tuning
performance,
including
efficiency
lifetime,
through
coordination.
Notably,
leveraging
reversible
feature
coordination,
multilevel
information
encryption,
thermal
development
time-resolved
high
reversibility,
is
successfully
demonstrated.
work
demonstrates
that
could
serve
as
method
for
developing
efficient
tunable
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Март 12, 2025
Abstract
Producing
room
temperature
phosphorescent
(RTP)
materials
from
biomass
resources
using
a
solvent
free
method
is
essential
but
hard
to
achieve.
Here,
we
discovered
that
lignin
dissolved
well
in
the
liquid
monomer,
2-hydroxyethyl
acrylate
(HEA),
due
extensive
hydrogen
bonding
and
non-bonding
interactions
between
HEA.
Motivated
by
this
discovery,
developed
system
consisting
of
HEA
urethane
dimethacrylate
(UDMA)
for
converting
into
RTP
materials.
With
design,
generated
radicals
upon
UV
irradiation,
which
initiated
polymerization
(as
monomer)
UDMA
crosslinker).
The
as-obtained
polymer
network
rigidifies
activates
humidity/water-resistant
with
lifetime
202.9
ms.
Moreover,
afterglow
color
was
successfully
tuned
red
after
loading
RhB
via
energy
transfer
(TS-FRET).
Using
these
properties,
as-developed
material
used
as
photocured
multiple-emission
inks,
luminescent
coatings
smart
anti-counterfeiting
logo
medicine
bottle.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 13, 2024
Abstract
Synthesis
of
color‐tunable
ultralong
room
temperature
phosphorescence
(RTP)
crystals
with
multilevel
stimuli‐responsive
properties
is
highly
desirable
due
to
their
tremendous
application
prospects
but
has
rarely
been
explored.
Herein,
a
2D
organic–inorganic
metal‐halide
hybrid
(ABA
2
CdCl
4
)
originally
designed
and
synthesized
efficient
blue
fluorescence
green
RTP
through
Cd
induced
heavy
atom
effect.
Due
the
improved
intermolecular
interactions
enhanced
light
absorption,
high
efficiency
up
34%
achieved
in
ABA
4.
With
as
prototype,
Mn
2+
‐doping
strategy
successfully
employed
construct
multicomponent
material
wide‐tunable
property
response
external
stimulus
such
time,
light.
More
importantly,
pairs
are
formed
‐doped
,
which
observed
hybrids
for
first
time.
thermal
assisted
energy
transfer
from
triplet
excitons
(organic
unit)
pairs,
thermally
activated
emission
tunable
colors
between
270
333
K
easily
realized,
showing
highest
sensitivity
against
reported
so
far.
By
virtue
above
advantages,
materials
applied
information
storage
sensors.
The
work
promotes
development
multi‐stimuli
responsive
systems
based
on
metal
halides.
Abstract
Chiral
organic
materials
have
garnered
significant
interest
in
nanophononics
due
to
their
ability
manipulate
polarized
light
and
encode
optical
information.
Herein,
chiral
one‐dimensional
(1D)
microplates
based
on
benzocyclazine
form
homochiral
crystals
that
exhibit
excellent
waveguiding
properties.
These
exhibited
highly
asymmetric
propagation
depends
the
handedness
of
circularly
(CPL).
demonstrated
selective
transmission,
with
R
‐microplate
favouring
left‐handed
CPL
S
right‐handed
CPL,
showcasing
distinct
loss
coefficients
for
each
enantiomer.
Multichannel
was
observed,
where
intensity
varied
excitation
position.
results
highlight
potential
1D
advanced
nanophotonic
devices,
offering
chiral‐dependent
control
over
transmission
future
applications
information
processing.
