Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(48)
Published: Sept. 27, 2022
Visible
light
can
be
used
to
shift
dynamic
covalent
imine
assemblies
out
of
equilibrium.
We
studied
a
fluorinated
azobenzene
building
block
that
reliably
undergoes
geometric
isomerism
upon
irradiation.
The
was
in
combination
with
two
different
amines,
ethylenediamine
and
R,R-1,2-diaminocyclohexane,
create
library
macrocycles.
Whereas
the
simple
amine
access
polymeric
state
defined
bowl-shaped
macrocycle,
chiral
gives
rich
network
macrocycles
undergo
both
isomerisation
as
well
interconversion
between
macrocyclic
species,
thereby
allowing
for
control
over
number
monomers
involved
cyclo-oligomerization;
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 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.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(15), P. 5539 - 5547
Published: Jan. 1, 2024
Integration
of
diarylethenes
and
auxiliary
triplet-sensitizers
within
a
nano-confinement
micelle
ensures
superior
visible-light
photochromism
in
the
aqueous
phase.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(31)
Published: May 9, 2024
Natural
photoactive
systems
have
evolved
to
harness
broad-spectrum
light
from
solar
radiation
for
critical
functions
such
as
perception
and
photosynthetic
energy
conversion.
Molecular
photoswitches,
which
undergo
structural
changes
upon
absorption,
are
artificial
tools
widely
used
developing
photoresponsive
converting
energy.
However,
photoswitches
generally
need
be
activated
by
of
specific
narrow
wavelength
ranges
effective
photoconversion,
limits
their
ability
directly
work
under
sunlight
efficiently
harvest
Here,
focusing
on
azo-switches-the
most
extensively
studied
we
demonstrate
E→Z
photoisomerization
with
photoconversions
exceeding
80
%
unfiltered
sunlight.
These
sunlight-driven
azo-switches
developed
rendering
the
absorption
E
isomers
overwhelmingly
stronger
than
that
Z
across
a
broad
ultraviolet
visible
spectrum.
This
unusual
type
spectral
profile
is
realized
simple
yet
highly
adjustable
molecular
design
strategy,
enabling
fine-tuning
window
extends
beyond
600
nm.
Notably,
back-photoconversion
can
achieved
without
impairing
forward
isomerization,
resulting
in
unique
light-reversible
switches.
Such
exceptional
chemistry
provides
unprecedented
opportunities
sustainable
light-driven
efficient
technologies.
Materials Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
9(2), P. 234 - 242
Published: Nov. 21, 2024
A
novel
quinoxalinone-functionalized
A–D–A
type
DTE
is
developed.
Its
protonated
derivative
displays
an
unprecedented
green
light-triggered
NIR
II
photochromism
in
the
presence
of
TFA,
which
first
case
photochromic
DTE.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(48)
Published: Sept. 27, 2022
Visible
light
can
be
used
to
shift
dynamic
covalent
imine
assemblies
out
of
equilibrium.
We
studied
a
fluorinated
azobenzene
building
block
that
reliably
undergoes
geometric
isomerism
upon
irradiation.
The
was
in
combination
with
two
different
amines,
ethylenediamine
and
R,R-1,2-diaminocyclohexane,
create
library
macrocycles.
Whereas
the
simple
amine
access
polymeric
state
defined
bowl-shaped
macrocycle,
chiral
gives
rich
network
macrocycles
undergo
both
isomerisation
as
well
interconversion
between
macrocyclic
species,
thereby
allowing
for
control
over
number
monomers
involved
cyclo-oligomerization;
