The Journal of Physical Chemistry Letters,
Год журнала:
2024,
Номер
15(11), С. 2995 - 3001
Опубликована: Март 8, 2024
Room-temperature
phosphorescence
materials
have
found
important
applications
in
dissolved
oxygen
sensing,
temperature
monitoring,
anticounterfeiting,
etc.,
because
of
their
prolonged
lifetime.
However,
the
known
systems
mainly
utilize
triplet
local
excited
state
emission,
which
is
generally
less
sensitive
to
microenvironment
perturbation.
In
this
work,
we
designed
a
series
4-phenyl-1,8-naphthalimide
(NMI)
derivatives
containing
different
numbers
carbazole
(Cz)
units
(denoted
as
NMI-Cz,
NMI-2Cz,
and
NMI-3Cz).
Steady
time-resolved
spectroscopy
studies
determined
that
compounds
undergo
intramolecular
through-space
charge
transfer
solution,
yielding
hybrid
state.
emission
was
observed
compound-doped
poly(methyl
methacrylate)
thin
films
upon
ammonia
treatment.
Interestingly,
from
exhibited
persistence
times.
We
believe
film-based,
luminescent
sensor
could
be
developed
by
making
device
emissive
fabricated.
Journal of Materials Chemistry C,
Год журнала:
2023,
Номер
11(43), С. 14968 - 15000
Опубликована: Янв. 1, 2023
We
introduced
the
background
of
mechanoluminescence
(ML)
materials
development
and
mainstream
ML
principles.
The
applications
in
sensing
neighborhood
were
introduced.
Abstract
Organic
afterglow
materials
have
drawn
increasing
attention
for
their
great
potential
in
practical
applications.
Until
now,
most
of
them
just
show
the
lifetimes
milliseconds
or
seconds,
while
realization
long
persistent
luminescence
(LPL)
lasting
minutes
even
hours
is
difficult.
In
2017,
Adachi
and
Kabe
successfully
realize
LPL
with
a
duration
longer
than
1
hour
purely
organic
system,
which
can
be
comparable
to
some
excellent
inorganic
materials.
However,
partially
unclear
structure‐property
relationship,
are
still
rather
scarce,
especially
stable
ones
air
aqueous
solution.
this
review,
we
present
recent
progress
LPL,
mainly
focusing
on
material
design
strategy
internal
mechanism.
It
anticipated
that
deep
understanding
beneficial
further
development
good
stability
phase.
Abstract
Inorganic
persistent
phosphors
feature
great
potential
for
cancer
diagnosis
due
to
the
long
luminescence
lifetime,
low
background
scattering,
and
minimal
autofluorescence.
With
prominent
advantages
of
near‐infrared
light,
such
as
deep
penetration,
high
resolution,
autofluorescence,
tissue
absorption,
can
be
used
bioimaging.
We
focus
on
highlighting
inorganic
phosphors,
emphasizing
synthesis
methods
applications
in
diagnostics.
Typical
synthetic
high‐temperature
solid
state,
thermal
decomposition,
hydrothermal/solvothermal,
template
are
proposed
obtain
small‐size
biological
organisms.
The
mechanisms
with
different
excitation
discussed
effective
matrixes
including
galliumate,
germanium,
aluminate,
fluoride
explored.
Finally,
current
directions
where
continue
optimized
how
further
overcome
challenges
summarized.
The Journal of Physical Chemistry Letters,
Год журнала:
2024,
Номер
15(11), С. 2995 - 3001
Опубликована: Март 8, 2024
Room-temperature
phosphorescence
materials
have
found
important
applications
in
dissolved
oxygen
sensing,
temperature
monitoring,
anticounterfeiting,
etc.,
because
of
their
prolonged
lifetime.
However,
the
known
systems
mainly
utilize
triplet
local
excited
state
emission,
which
is
generally
less
sensitive
to
microenvironment
perturbation.
In
this
work,
we
designed
a
series
4-phenyl-1,8-naphthalimide
(NMI)
derivatives
containing
different
numbers
carbazole
(Cz)
units
(denoted
as
NMI-Cz,
NMI-2Cz,
and
NMI-3Cz).
Steady
time-resolved
spectroscopy
studies
determined
that
compounds
undergo
intramolecular
through-space
charge
transfer
solution,
yielding
hybrid
state.
emission
was
observed
compound-doped
poly(methyl
methacrylate)
thin
films
upon
ammonia
treatment.
Interestingly,
from
exhibited
persistence
times.
We
believe
film-based,
luminescent
sensor
could
be
developed
by
making
device
emissive
fabricated.
