Chinese Journal of Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 16, 2025
Comprehensive
Summary
The
visible
light‐driven
photoswitches
are
attracting
widespread
attention,
but
it
is
challenging
to
leverage
their
phototriggered
structural
changes
regulate
dynamic
bonds,
assemblies,
and
materials.
Herein,
we
incorporated
reversible
covalent
sites
of
aldehyde
ring‐chain
tautomers
into
all‐visible‐light
azobenzenes
toward
a
versatile
platform
for
light‐controlled
formation/exchange
C—N
bonds
from
secondary
amines.
movement
equilibrium
was
attained
via
manipulating
intramolecular
multiple
hydrogen
bonding
E
/
Z
configurational
isomers.
Such
regulation
further
enabled
photocontrolled
kinetics
the
formation
exchange
reactions
cyclic
hemiaminal
ethers
amines
exhibiting
kinetic
rate
reversal
varied
capability
isomers
in
engaging
azo
attached
carboxylate
with
ammonium
salt
accounts
difference.
Moreover,
photoswitching
performance
different
solutions
readily
regulated
by
reactivity
control
light
associated
mechanistic
foundation
add
collection
photoswitchable
chemistry
would
lay
subsequent
biological
material
applications.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(9), С. 10998 - 11007
Опубликована: Апрель 29, 2024
Infections
caused
by
bacteria
pose
a
serious
threat
to
public
health,
and
there
is
need
for
numerous
innovative,
antibiotic-free
antimicrobial
medicines.
Herein,
we
describe
the
synthesis
of
CuS/Co-ferrocene-MOF
(CuS/Co-Fc-MOF)
nanocomposites,
formed
coupling
CuS
nanoparticles
(NPs)
two-dimensional
(2D)
Co-Fc-MOF
nanosheets,
that
constitutes
an
platform
capable
near-infrared
(NIR)
photothermal
promotion
chemodynamic
antibacterial.
2D
CuS/Co-Fc-MOF
nanocomposites
consist
nanosheets
with
dimensions
approximately
100–200
nm
thicknesses
13.1–15.6
nm,
where
NPs,
size
about
8
are
excellently
dispersed
on
surface
nanosheets.
The
diverse
valence
states
cobalt
iron
in
enable
them
undergo
Fenton-like
reactions
H2O2,
thus
generating
highly
oxidizing
·OH
therapy
(CDT).
utilization
local
plasmonic
resonance
effect
NPs
enables
enhancement
CDT
activity
under
laser
irradiation.
More
importantly,
can
achieve
rapid
(15
min)
NIR
laser-assisted
killing
both
S.
aureus
E.
coli
bacterial
infection
microenvironment
compared
Therefore,
be
employed
as
promising
nanoagent
promote
photothermally
augmented
antibacterial
therapy.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
63(8)
Опубликована: Дек. 21, 2023
Abstract
Diarylethene
molecular
photoswitches
hold
great
fascination
as
optical
information
materials
due
to
their
unique
bistability
and
exceptional
reversible
photoswitching
properties.
Conventional
diarylethenes,
however,
rely
on
UV
light
for
ring‐closure
reactions,
typically
with
modest
yields.
For
practical
application,
diarylethenes
driven
by
visible
lights
are
preferred
but
achieving
high
reaction
yield
remains
a
significant
challenge.
Herein,
we
synthesized
novel
all‐visible‐light‐driven
photoswitch,
TPAP−DTE,
facilely
endcapping
the
dithienylethene
(DTE)
core
triphenylamine
phenyl
(TPAP)
groups.
Owing
electron‐donating
conjugation
effect
of
TPAP,
open‐form
TPAP−DTE
responds
strongly
short‐wavelength
considerable
photocyclization
quantum
yields
molar
absorption
coefficient.
Upon
405
nm
visible‐light
irradiation,
achieves
exceeding
96.3
%
(confirmed
both
nuclear
magnetic
resonance
spectroscopy
high‐performance
liquid
chromatography).
Its
ring‐opening
is
100
upon
irradiation
long‐wavelength
light.
could
be
regarded
bidirectional
“quasi”‐quantitative
conversion
switch.
Furthermore,
exhibits
robust
fatigue
resistance
over
full
cycles
anti‐aging
property
under
85
°C
humidity
at
least
1000
h.
Consequently,
its
rewritable
QR‐code,
multilevel
data
storage,
anti‐counterfeiting/encryption
applications
successfully
demonstrated
exclusively
using
lights,
positioning
highly
promising
medium
recording.
Light Science & Applications,
Год журнала:
2024,
Номер
13(1)
Опубликована: Март 1, 2024
Abstract
In
the
past
two
decades,
research
and
development
of
light-triggered
molecular
machines
have
mainly
focused
on
developing
devices
at
nanoscale.
A
key
scientific
issue
in
field
is
how
to
amplify
controlled
motion
molecules
nanoscale
along
multiple
length
scales,
such
as
mesoscopic
or
macroscopic
scale,
a
more
practical
perspective,
convert
into
changes
properties
material.
Light-driven
motors
are
able
perform
repetitive
unidirectional
rotation
upon
irradiation,
which
offers
unique
opportunities
for
responsive
systems.
With
several
reviews
that
focus
design,
synthesis
operation
nanoscale,
photo-responsive
materials
based
light-driven
not
been
comprehensively
summarized.
present
review,
we
first
discuss
strategy
confining
absolute
relative
by
grafting
surfaces.
Secondly,
examples
self-assemble
supramolecular
polymers
with
high
internal
order
illustrated.
Moreover,
will
building
covalently
linked
system
polymeric
gels
liquid
crystals
generate
complex
functions.
Finally,
perspective
toward
future
developments
given.
This
review
helps
us
getting
clear
picture
understanding
movement
can
be
programmed
light-responsive
systems
man-made
adaptive
invented,
serve
an
important
guideline
further
design
advanced
materials.
Photochromic
polymer
is
defined
as
a
series
of
materials
based
on
photochromic
units
in
chains,
which
produces
reversible
color
changes
under
irradiation
with
particular
wavelength.
Currently,
the
research
progresses,
it
shows
increasing
potential
applications
various
fields,
such
anti-counterfeiting,
information
storage,
super-resolution
imaging,
and
logic
gates.
However,
there
paucity
published
reviews
topic
polymers.
Herein,
this
review
discusses
summarizes
progress
prospects
materials,
mainly
summarizing
basic
mechanisms,
classification,
azobenzene,
spiropyran,
diarylethene
Moreover,
3-dimensional
(3D)
printable
polymers
are
worthy
to
be
summarized
specifically
because
its
innovative
approach
for
practical
application;
meanwhile,
developing
3D
printing
technology
has
shown
opportunities
better
applications.
Finally,
current
challenges
future
directions
summarized.
Chemical Science,
Год журнала:
2024,
Номер
15(30), С. 11684 - 11698
Опубликована: Янв. 1, 2024
Photoswitching
via
indirect
excitation
allows
harnessing
low-energy
photons
to
control
molecular
configuration.
Herein,
the
state
of
art
predominant
photoswitching
methods
is
presented.
Chemistry - An Asian Journal,
Год журнала:
2024,
Номер
19(11)
Опубликована: Апрель 5, 2024
Photoswitching
materials
have
emerged
as
a
promising
class
of
compounds
that
possess
manifold
interesting
properties
rendering
their
widespread
use
from
photoswitches,
regulators
to
optoelectronic
devices,
security
technologies
and
biochemical
assays.
Diarylethenes
(DAE)
constitute
one
such
category
photoswitchable
compounds,
where
the
key
features
stability,
photoisomerization
wavelengths,
quantum
yield
variability
in
photoisomers
significantly
depend
on
derivatization.
The
last
decade
has
witnessed
surge
engagement
DAEs
different
areas
chemical
biological
sciences,
like
biomarkers,
controlled
generation
singlet
oxygen,
photo-dynamic
therapy,
chemosensing,
catalysis,
etc.
In
all
cases,
photoswitchability
DAE
is
principal
regulating
factor
along
with
its
emission
according
appended
groups.
Previous
reviews
applications
DAE-based
systems
did
not
predominantly
cover
aspects
industrial
implementations.
They
covered
only
field
application
either
science
or
synthetic
aspect
photochromic
only.
This
review
coalition
those
six
years.
Here
variation
respect
structural
diversifications
been
discussed
detail
potential
bioimaging
cells,
oxygen
for
photodynamic
therapy
catalysis
organic
reactions,
future
prospects.
A
tabular
presentation
photophysical
derivatives
adds
basic
understanding
this
subject
at
glance.
We
hope
cumulative
collection
contemporary
research
DAE,
presented
review,
will
enhance
knowledge
readers
about
design
anticipating
well
advance,
certainly
motivate
researchers
generate
new
architectures
superior
future.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Окт. 7, 2024
Azo
switches
are
widely
employed
as
essential
components
in
light-responsive
systems.
Here,
we
develop
an
azo-fluorescent
switch
that
is
visible
and
its
processes
can
be
monitored
using
fluorescence
imaging.
Visible
light
irradiation
promotes
isomerization,
accompanied
by
changes
enable
the
process
to
through
Furthermore,
document
nanocavity
size
of
liposome
encapsulated
nanoparticles
containing
azo
isomerization
show
this
change
enables
construction
a
nanoplatform
for
optically
controlled
release
antimycotics.
Also,
natural
activation
loaded
with
antimycotic
agent
causes
death
Rhizoctonia
solani.
The
results
these
double
holding
period
comparison
small
molecule
strategy
used
design
imaging-guided
light-controlled
nano-antimycotic
system
applicable
protocols
delivery
wide
variety
drugs.
