Visible‐ and Near‐Infrared Light‐Driven Molecular Photoswitches for Biological Applications
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 19, 2024
Abstract
Molecular
photoswitches
can
undergo
isomerization
under
light
exposure,
making
them
uniquely
attractive
for
high
spatiotemporal
resolution
remote
control
of
biological
functions.
Visible
and
near‐infrared
(NIR)
light,
with
their
low
energy
consumption,
safety,
strong
tissue
penetration,
are
particularly
suitable
applications.
Therefore,
developing
visible‐
NIR
light‐driven
molecular
use
is
great
significance.
This
review
introduces
the
most
common
presents
state‐of‐art
applications
in
bioimaging,
biosensing,
drug
delivery,
photocontrolled
cancer
phototherapy,
photopharmacology.
The
opportunities
challenges
future
development
outlined.
Язык: Английский
Counter Ions Determine Self‐Assembled Nanostructure and Activation Energy of Ion‐Conductive Mesogens
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 2, 2025
Abstract
By
varying
counter
ions
of
ion‐conductive
mesogens
(ICMs)
from
bromide
(Br),
to
tetrafluoroborate
(BF
4
),
and
bis(trifluoromethanesulfonyl)imide
(TFSI),
the
ionic
conductivity
ICM
is
systematically
investigated
based
on
their
self‐assembled
nanostructure
activation
energy.
Thermal
phase
transition
behaviors
ICM‐Br,
‐BF
,
‐TFSI
exhibit
significant
variation
anion
type.
These
differences
are
further
reflected
in
nanostructures
ICMs,
which
characterized
through
X‐ray
electron
diffraction
experiments.
Ionic
measured
by
electrochemical
impedance
spectroscopy
energy
calculated
Arrhenius
equation
allow
us
build
relationship
between
ICMs
The
constructed
can
provide
valuable
insights
for
development
novel
materials.
Язык: Английский
Violet light excitable organic halides with short ∼ns emissions for multiple optoelectronic applications
Materials Chemistry Frontiers,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Novel
violet-excitable
organic
halides
with
short
PL
lifetimes
(∼ns)
enable
green
lighting
and
visible
light
communication
(VLC),
achieving
a
−3
dB
bandwidth
of
22.1
MHz,
suggesting
the
promising
potential
in
VLC.
Язык: Английский
A multi‐stimuli‐responsive fluorescence material based on 1,8‐naphthalimide
Meihui Chen,
Yi Li,
Haixia Tian
и другие.
Luminescence,
Год журнала:
2024,
Номер
39(8)
Опубликована: Авг. 1, 2024
Abstract
A
pair
of
1,8‐naphthalimides
(NPIs)
were
designed
and
successfully
synthesized
through
embellishing
amino‐containing
NPI
with
4‐diethylaminosalicyladehyde
4‐diethylaminobenzaldehyde,
respectively.
Their
structures
fully
confirmed
by
1
H/
13
C
NMR,
HR‐MS
FT‐IR
spectroscopic
studies.
photophysical
properties
systematically
investigated
in
different
solvents
varied
polarity,
THF/water
mixtures
varying
water
fractions
(
f
w
),
THF
solvent
concentrations
NPIs.
It
inferred
that
the
distinct
differences
emission
between
two
NPIs
during
self‐assembled
process
could
be
ascribed
hydroxyl‐containing
allowed
excited‐state
intramolecular
proton
transfer
‐OH
CH=N
units
aggregation
state.
Interestingly,
solid
4‐diethylaminosalicyladehyde‐functionalized
exhibited
multi‐stimuli‐responsive
fluorescence
changes
involving
mechanofluorochromism
HCl/NH
3
vapor
stimulus‐induced
conversion.
However,
no
remarkable
change
was
observed
photoluminescence
(PL)
spectra
for
4‐diethylaminobenzaldehyde‐functionalized
under
stimuli
mechanical
force
organic
solvent.
Язык: Английский
Synthesis of a Multi‐Stimulus Responsive RGB Fluorescent Organic Molecule based on Dark Through‐Bond Energy Transfer Mechanism
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(67)
Опубликована: Авг. 13, 2024
Abstract
In
this
study,
a
novel
multi‐stimulus
responsive
RGB
fluorescent
organic
molecule,
RTPE‐NH
2
,
was
designed
and
synthesized
based
on
the
combination
of
aggregation‐induced
emission
tetraphenylethylene
(TPE)
luminophore
acid‐responsive
molecular
switch
Rhodamine
B.
exhibits
behavior,
as
well
UV
irradiation‐stimulus
acid‐stimulus
fluorescence
properties.
It
could
emit
orange‐red
(R),
green(G),
blue(B)
light
in
both
solution
PMMA
film
under
365
nm
excitation.
The
dark
through‐bond
energy
transfer
(DTBET)
mechanism
proposed
supported
by
control
experiments
TD‐DFT
calculations.
synthesis
application
accelerate
development
smart
materials
with
high
sensitivity
excellent
optical
Язык: Английский