Unveiling the potential of triphenylphosphine salts in tuning organic room temperature phosphorescence
Chemical Communications,
Год журнала:
2024,
Номер
60(70), С. 9328 - 9339
Опубликована: Янв. 1, 2024
This
article
summarizes
the
potential
of
TPP
salts
in
tuning
RTP
properties
and
their
applications
multi-level
information
encryption,
high-level
anticounterfeiting
tags,
X-ray
scintillators.
Язык: Английский
New horizons in phosphorus-based emitters: From circularly polarized fluorescence to room-temperature phosphorescence
Bo Yang,
Suqiong Yan,
Shirong Ban
и другие.
Chinese Chemical Letters,
Год журнала:
2025,
Номер
unknown, С. 110837 - 110837
Опубликована: Янв. 1, 2025
Язык: Английский
Dual-Ring-Locking Strategy Enables Persistent Blue Room Temperature Phosphorescence in Benzo[b]phospholiums
Bo Yang,
Suqiong Yan,
Shirong Ban
и другие.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 18, 2025
Commercial
phosphines
and
phosphoniums
were
commonly
reported
to
have
unstable
triplet
dissipation
because
of
the
flexible
C-P
pyramidal
geometry,
resulting
in
extremely
weak
or
no
phosphorescence.
To
boost
populations
stability
by
restricting
molecular
motion
rebuilding
electronic
structures,
we
that
dual-ring-locking
strategy
could
enable
elevated
intersystem
crossing
(ISC)
radiation
for
rigid
benzo[b]phospholium
configuration,
exhibiting
intense
persistent
room
temperature
phosphorescence
(RTP)
poly(vinyl
alcohol)
(PVA).
Among
them,
dual-ring-locked
[P1]+[Cl]-
showed
near-ultraviolet
fluorescence
maximized
at
400
nm
dichloromethane
blue
RTP
emission
453
(Φphos
≈
12.4%,
τphos
>
1200
ms)
PVA
matrix.
In
contrast,
[P2]+[Cl]-
possessed
a
single
ring-locked
nucleus
had
red-shifted
<
1.8%,
=
74.2
ms).
Time-dependent
density
functional
theory
(TD-DFT)
disclosed
improved
spin-flipping
benefited
from
integrated
π-π*/n-π*
transition,
rational
split
energy,
excited
states.
The
impressive
OU-RTP
duration
function
as
an
afterglow
pattern
optical
encryption
emitting
layer
light-emitting
diode
(LED)
applications.
Язык: Английский
Water‐Soluble Luminescent Polymers with Room‐Temperature Phosphorescence Based on the α‐Amino Acids
Macromolecular Rapid Communications,
Год журнала:
2024,
Номер
45(16)
Опубликована: Май 15, 2024
Nonconventional
luminophores
have
received
increasing
attention,
owing
to
their
fundamental
importance,
advantages
in
outstanding
biocompatibility,
easy
preparation,
environmental
friendliness,
and
potential
applications
sensing,
imaging,
encryption.
Purely
organic
molecules
with
fluorescence
room-temperature
phosphorescence
(RTP)
emerged
as
a
new
library
of
benign
afterglow
agents.
However,
the
cost,
toxicity,
high
reactivity,
poor
stability
materials
also
limit
practical
applications.
Therefore,
some
natural
products,
synthetic
compounds,
biomolecules
entered
horizons
people.
The
as-designed
exhibits
sky
blue
green
emission
RTP
(a
lifetime
343
ms
quantum
15.3%)
under
air
condition.
This
study
presents
an
for
biological
imaging
anti-counterfeiting
encryption
based
on
amino
acids,
maleic
anhydride
4-vinylbenzenesulfonic
acid
sodium
salt
hydrate.
provides
strategy
nonconventional
designing
synthesizing
pure
materials.
Язык: Английский
Proton transfer induced persistent triplet charge transfer phosphorescence in molecule-doped polymer systems
Chemical Engineering Journal,
Год журнала:
2024,
Номер
497, С. 154819 - 154819
Опубликована: Авг. 14, 2024
Язык: Английский
Intersystem Crossing in a Carbazole-Based Room Temperature Phosphorescent Luminophore Investigated by Non-Adiabatic Dynamics.†
Physical Chemistry Chemical Physics,
Год журнала:
2024,
Номер
26(33), С. 22261 - 22268
Опубликована: Янв. 1, 2024
The
use
of
phosphorescent
luminophores
is
highly
beneficial
in
diverse
high-technological
and
biological
applications.
Yet,
because
the
formally
forbidden
character
intersystem
crossing,
heavy
metals
or
atoms
usually
necessary
to
achieve
high
quantum
yields.
This
choice
imposes
serious
constraints
terms
device
cost
inherent
toxicity.
In
this
contribution
we
resort
density
functional
based
surface
hopping
non-adiabatic
dynamics
a
potential
organic
luminophore
intended
for
room-temperature
We
confirm
that
crossing
operative
ps
time-scale
without
requiring
activation
large-scale
movements,
thus
confirming
suitability
El
Sayed-based
strategy
rational
design
fully
emitters.
Язык: Английский