Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 18, 2024
Abstract
In
nature,
many
organisms
augment
chances
of
survival
by
reprogramming
their
structures
to
evolving
environment,
among
which
sea
squirts
being
a
prime
example.
Such
has
been
demonstrated
in
liquid
crystal
elastomer
(LCE)
actuator
assembled
with
heat
assistance.
However,
the
required
temperature
higher
than
actuation
limits
its
application.
Here,
we
reported
hydrogen‐bonded
supramolecular
network
LCE
construct
soft
modular
and
reprogrammable
assembling
gentle
treatment.
Leveraging
Michael
addition
reaction,
introduced
hydrogen
bonding
matrix
functionalized
pyridine
monomers.
Experimental
molecular
dynamics
modeling
proved
efficient
dynamic
bond
exchange
at
60
°C,
significantly
lower
actuating
LCE.
This
gave
rise
reversible
robust
adhesion
same
collection
modules
capable
built
into
different
bilayers
performing
various
morphing
upon
short
thermal
stimulation.
Therefore,
that
these
comparatively
weak
cross‐links
enabled
reconfiguration
actuator.
With
developed
hydrogen‐bonding
LCEs,
proof‐of‐concept
robot,
crawling,
sailing,
microcircuit
repair
tasks.
bioinspired
method
for
evolutionary
robot
offers
viable
path
further
development
intelligent
actuators
sustainable
complex
environments.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 16, 2024
Abstract
Circularly
polarized
luminescent
(CPL)
materials
have
garnered
tremendous
attention
owing
to
their
expanded
optical
properties
beyond
emission
wavelength
and
intensity.
Among
these,
the
emerging
circularly
organic
ultralong
room‐temperature
phosphorescence
(CP‐OURTP)
materialsdemonstrating
elegant
distinct
features
are
of
significant
importance
for
extended
lifetime,
which
represent
a
novel
frontier
in
research
with
promising
scientific
technological
applications
across
diverse
fields.
This
review
systematically
outlines
traditional
strategies
achieve
CP‐OURTP
including
crystals,
copolymerization,
host–guest
doping,
combination
copolymerization
spinning
twisting
technology,
supramolecular
polymer
assembly.
Importantly,
recent
progress
chiral
soft
materials,
such
as
liquid
crystals
(LCs)
involving
lyotropic
LCs
(cellulose
nanocrystals,
CNCs)
thermotropic
(cholesteric
LC
elastomers),
is
showcased.
Finally,
practical
summarized,
concludes
perspectives
on
current
challenges
future
opportunities
materials.
aims
inspire
further
innovations
fabrication
advanced
enrich
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(38)
Published: July 31, 2024
Abstract
Intelligent
polymer
nanocomposites
are
multicomponent
and
multifunctional
materials
that
show
immense
potential
across
diverse
applications.
However,
to
exhibit
intelligent
traits
such
as
adaptability,
reconfigurability
dynamic
properties,
these
often
require
a
solvent
or
heating
environment
facilitate
the
mobility
of
chains
nanoparticles,
rendering
their
applications
in
everyday
settings
impractical.
Here
azopolymer
function
effectively
solvent‐free,
room‐temperature
based
on
photocontrolled
reversible
solid‐fluid
transitions
via
switching
flow
temperatures
(
T
f
s)
shown.
A
range
is
synthesized
through
grafting
Au
nanorods,
quantum
dots,
superparamagnetic
nanoparticles
with
photoresponsive
azopolymers.
Leveraging
cis
‐
trans
photoisomerization
azo
groups,
transition
between
solid
above
room
temperature)
fluid
below
states.
Such
empower
rewriting
nanopatterns,
correction
nanoscale
defects,
reconfiguration
complex
multiscale
structures,
design
optical
devices.
These
findings
highlight
‐switchable
promising
candidates
for
development
nanomaterials
operative
conditions.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 14, 2025
Abstract
Supramolecular
dynamic
room
temperature
phosphorescence
(RTP)
is
the
focus
of
current
research
because
its
wide
application
in
biological
imaging
and
information
anti‐counterfeiting.
Herein,
a
time‐dependent
supramolecular
lanthanide
phosphorescent
4D
assembly
material
with
multicolor
luminescence
including
white,
which
composed
4‐(4‐bromophenyl)‐pyridine
salt
derivative
(G),
inorganic
clay
(LP)/Eu
complex
pyridine
dicarboxylic
acid
(DPA)
reported.
Compared
self‐assembled
nanoparticle
G,
lamellar
G/LP
showed
double
emission
fluorescence
at
380
nm
516
over
time.
Within
60
min,
lifetime
quantum
yield
increases
from
none
to
7.4
ms
27.53%
respectively,
achieving
emission,
due
limitation
progressive
stacking
LP
electrostatically
driven
“domino
effect.”
Furthermore,
DPA
G/LP/Eu
leads
time‐resolved
colorless
purple
successfully
applied
multi‐level
logic
anti‐counterfeiting
efficiently
antibiotic
selective
sensor.
Advanced Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 22, 2025
Abstract
Achieving
time‐resolved
information
encryption
is
crucial
for
advanced
functional
materials
but
remains
a
formidable
challenge.
Photoresponsive
supramolecular
assemblies
have
gained
attention
as
promising
candidates
in
this
area.
This
work
presents
unique
strategy
that
employs
α
‐cyanostilbenes
to
construct
photoresponsive
which
enable
finely
regulating
fluorescence
color
and
photoresponse
kinetics,
facilitating
effective
encryption.
Three
1
–
3
are
designed
by
the
combination
of
electron
donor
3,4‐ethoxylene
dioxythiophene
appended
benzaldehyde
with
acceptor
phenylacetonitrile
different
substituents.
All
three
compounds
undergo
reversible
Z/E
isomerization
CH
CN
under
420
254
nm
light
irradiation.
Interestingly,
while
CN/H
2
O
high
water
content
(95%),
these
found
be
able
self‐assemble
into
spherical
reduced
molecular
distances.
Remarkably,
upon
exposure
visible
light,
[2+2]
cycloadditions
occur
within
assemblies,
exhibiting
distinct
kinetics
variations
due
formation
cycloaddition
products,
confirmed
H
NMR
spectroscopy,
high‐resolution
mass
spectrometry,
single
crystal
structures.
Furthermore,
their
changes
demonstrate
potential
applications
hydrogel‐based
photo‐patterning.
research
offers
compelling
designing
visible‐light‐driven
fluorescent
switching
high‐level
beyond.
Small Structures,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Alignment
of
liquid
crystals
(LCs)
is
critical
for
actuation
LC
polymer‐based
devices.
A
common
strategy
to
induce
surface
deformation
in
polymer
coatings
involves
engineering
the
polymers
into
multidomain
configurations.
The
application
an
electric
field
serves
as
efficient
means
achieve
this
goal.
While
LCs
are
partially
ordered
fluids
characterized
by
intrinsic
dynamic
disorder
and
order
fluctuations,
these
fluctuations
can
be
suppressed
fields,
a
phenomenon
known
electrical
quenching.
However,
impact
quenching
on
molecular
behavior
remains
insufficiently
understood.
Herein,
translation
effect
from
scale
macroscopic
level,
with
focus
regulating
topographical
polymerized
coatings,
demonstrated.
findings
reveal
that
suppression
monomeric
through
significantly
reduces
network.
This
advancement
offers
new
opportunities
fabricating
tunable
surfaces
complex
patterns,
broadening
potential
applications
LC‐based
surfaces.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 18, 2024
In
nature,
many
organisms
augment
chances
of
survival
by
reprogramming
their
structures
to
evolving
environment,
among
which
sea
squirts
being
a
prime
example.
Such
has
been
demonstrated
in
liquid
crystal
elastomer
(LCE)
actuator
assembled
with
heat
assistance.
However,
the
required
temperature
higher
than
actuation
limits
its
application.
Here,
we
reported
hydrogen-bonded
supramolecular
network
LCE
construct
soft
modular
and
reprogrammable
assembling
gentle
treatment.
Leveraging
Michael
addition
reaction,
introduced
hydrogen
bonding
matrix
functionalized
pyridine
monomers.
Experimental
molecular
dynamics
modeling
proved
efficient
dynamic
bond
exchange
at
60
°C,
significantly
lower
actuating
LCE.
This
gave
rise
reversible
robust
adhesion
same
collection
modules
capable
built
into
different
bilayers
performing
various
morphing
upon
short
thermal
stimulation.
Therefore,
that
these
comparatively
weak
cross-links
enabled
reconfiguration
actuator.
With
developed
hydrogen-bonding
LCEs,
proof-of-concept
robot,
crawling,
sailing,
microcircuit
repair
tasks.
bioinspired
method
for
evolutionary
robot
offers
viable
path
further
development
intelligent
actuators
sustainable
complex
environments.
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
12(28), P. 10246 - 10266
Published: Jan. 1, 2024
We
summarize
the
molecular
design
of
photoresponsive
liquid-crystalline
polymers,
manipulation
at
multiple
scales
and
various
applications
based
on
their
intrinsic
properties,
providing
an
opportunity
for
future
development
in
this
field.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(49)
Published: Aug. 20, 2024
Abstract
Responsive
photonic
crystals
(RPCs)
exhibit
dynamic
chromism
upon
trigger
by
various
solvents,
showing
potential
applications
in
qualitative
identification
and
quantitative
analysis
of
multicomponent
solvents.
However,
distinguishing
similar
especially
traces
cosolvents,
remains
challenging
due
to
the
limited
sensitivity
RPCs.
To
address
this,
we
herein
introduce
brush‐like
polymeric
gels
inside
crystals,
forming
a
gel
(BPPG)
that
can
trace
tiny
component
changes.
In
this
BPPG
system,
acrylate
backbones
polyethylene
glycol
(PEG)
side‐chains
stretch
incrementally
cosolvency
ethanol‐water
mixtures,
resulting
highly
sensitive
chromatic
responses
within
ethanol‐rich
concentrations.
With
water
content
varying
slightly
from
0
1
vol
%,
reflection
wavelength
sharply
redshift
over
30
nm,
leading
very
noticeable
changes
structural
color.
This
enhanced
makes
suitable
for
real‐time,
situ
purity
monitoring
absolute
ethanol
during
storage,
transportation,
other
applications.
