Inorganic Chemistry,
Год журнала:
2024,
Номер
63(35), С. 16284 - 16292
Опубликована: Авг. 16, 2024
Multicolor-tunable
room-temperature
phosphorescence
(RTP)
is
attracting
wide
attention
in
optoelectronic
applications.
Here,
we
propose
a
coordination-oriented
assembly
approach
to
achieve
wide-range
RTP
with
benzimidazole
derivative
(2,7-diazabenzimidazole,
DZBIM)
as
luminogen.
These
two
compounds
exhibit
unexpected
excitation-responsive
emission,
and
the
emission
nearly
covers
entire
visible
region
change
of
excitation
wavelength
from
360
620
nm.
To
best
our
knowledge,
this
first
report
coordination
polymers
such
full-color-tunable
RTP.
Compound
1
also
shows
white-light
upon
at
280
Experimental
theoretical
results
demonstrate
that
multiple
intermolecular
interactions
centers
different
aggregates
are
responsible
for
generation
multicolor
emission.
The
anticounterfeiting
explored.
Besides,
compound
exhibits
high
antibacterial
activity
benefiting
efficient
1O2
generation.
This
work
provides
an
way
prepare
color-tunable
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(13), С. 6694 - 6734
Опубликована: Янв. 1, 2024
Delayed
luminescence
(DF),
including
phosphorescence
and
thermally
activated
delayed
fluorescence
(TADF),
circularly
polarized
(CPL)
exhibit
common
broad
application
prospects
in
optoelectronic
displays,
biological
imaging,
encryption.
Thus,
the
combination
of
is
attracting
increasing
attention.
The
encapsulation
guest
emitters
various
host
matrices
to
form
host-guest
systems
has
been
demonstrated
be
an
appealing
strategy
further
enhance
and/or
modulate
their
luminescence.
Compared
with
conventional
liquid
crystals,
polymers,
supramolecular
matrices,
porous
crystalline
frameworks
(PCFs)
metal-organic
(MOFs),
covalent-organic
(COFs),
zeolites
hydrogen-bonded
organic
(HOFs)
can
not
only
overcome
shortcomings
such
as
flexibility
disorder
but
also
achieve
ordered
guests
long-term
stability
chiral
structures,
providing
new
promising
platforms
for
development
DF
CPL.
In
this
review,
we
provide
a
comprehensive
critical
summary
recent
progress
photochemistry
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 15, 2025
Metal-organic
frameworks
that
feature
hybrid
fluorescence
and
phosphorescence
offer
unique
advantages
in
white-emitting
communities
based
on
their
multiple
emission
centers
high
exciton
utilization.
However,
it
poses
a
substantial
challenge
to
realize
superior
white-light
single-component
metal-organic
without
encapsulating
varying
chromophores
or
integrating
phosphor
subunits.
Here,
we
achieve
high-performance
with
photoluminescence
quantum
yield
of
81.3%
via
boosting
triplet
excitons
distribution
through
pressure
treatment
Zn-IPA
frameworks.
A
novel
metal-ligand
asymmetrical
chelate
coordination
is
successfully
integrated
into
the
after
high-pressure
over
~20.0
GPa.
This
modification
unexpectedly
endows
targeted
sample
new
emergent
electronic
state
narrow
singlet-triplet
energy
gap,
which
effectively
accelerates
spin-flipping
process
for
boosted
population.
Time
delay
phosphor-converted
light-emitting
diodes
are
fabricated
long
time
up
~7
s
switching
off,
providing
significant
advancements
time-delay
lighting
applications.
Pressure-treatment
can
alter
optical
properties
Here
authors
induce
amorphization
remains
decompression
enables
efficient
narrowing
gap.
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(6), С. 1808 - 1818
Опубликована: Янв. 1, 2024
An
anti-counterfeit
label
and
a
luminescence
thermometer
are
fabricated
by
the
Cu
3
pyrazolate
complex,
showing
switching
between
blue
fluorescence
orange
or
red
phosphorescence
through
modulating
excitation
energies
temperatures.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 2, 2025
Molecular-based
afterglow
materials
have
garnered
significant
attention
due
to
their
diverse
applications.
However,
most
studies
focus
on
conventional
luminophores,
leaving
nonconventional
systems
underexplored,
particularly
regarding
the
screening
of
new
material
subclasses
and
development
applications
such
as
sensing.
Herein
we
report
successful
preparation
two
two-dimensional
ZnSO4-based
open-framework
(OFMs)─(H2DABCO)[Zn3(μ3-OH)2(SO4)3]·H2O
(1)
(H2DABCO)[Zn(SO4)2]
(2)─through
self-assembly
Zn2+/SO42-
with
nonaromatic
triethylenediamine
(DABCO).
Both
compounds
exhibit
distinct
delayed
emission
characteristics
lifetimes
259.10
ms
49.62
μs
(2),
respectively.
Frontier
orbital
analysis
reveals
key
role
charge
transfer
between
sulfate
groups
(H2DABCO)2+
cations
in
luminescence.
Notably,
1
demonstrates
exceptional
performance
an
probe
for
selective
detection
n-propylamine
n-butylamine
vapors,
achieving
limits
32.99
47.18
ppm,
The
sensing
mechanism
involves
a
phase-transition
process,
luminescence
change
can
be
observed
by
naked
eye.
This
work
pioneers
integration
sulfate-based
OFMs
room-temperature
phosphorescence
properties,
demonstrating
potential
probes
industrial
environmental
monitoring.
Molecules,
Год журнала:
2024,
Номер
29(13), С. 2989 - 2989
Опубликована: Июнь 23, 2024
Long-afterglow
materials
have
a
broad
of
applications
in
optoelectronic
devices,
sensors,
medicine
and
other
fields
due
to
their
excellent
luminescent
properties.
The
host-guest
long-afterglow
MOFs
material
combines
the
advantages
multi-component
characteristics
stability
MOFs,
which
improves
its
luminous
performance
expands
This
review
introduces
classification,
synthesis
application
with
long
afterglow.
Due
rigid
frames
multi-channel
characteristics,
can
load
common
guest
including
rare
earth
metals,
organic
dyes,
carbon
dots,
etc.
methods
loading
into
include
solvothermal
synthesis,
post-encapsulation,
post-modification,
Those
wide
range
information
security
biological
imaging.
