Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Июнь 9, 2022
Dissipative
self-assembly,
one
of
fundamentally
important
out-of-equilibrium
self-assembly
systems,
can
serve
as
a
controllable
platform
to
exhibit
temporal
processes
for
various
non-stimulus
responsive
properties.
However,
construction
light-fueled
dissipative
structures
with
transformable
morphology
modulate
non-photoresponsive
properties
remains
great
challenge.
Here,
we
report
light-activated
photodeformable
system
in
aqueous
solution
metastable
fluorescent
palette.
Zwitterionic
sulfonato-merocyanine
is
employed
light-induced
amphiphile
co-assemble
polyethyleneimine
after
light
irradiation.
The
formed
spherical
nanoparticles
spontaneously
transform
into
cuboid
ones
the
dark
simultaneous
variation
particle
sizes.
Then
two
kinds
reversibly
interconvert
each
other
by
periodical
irradiation
and
thermal
relaxation.
Furthermore,
loading
different
fluorophores
exhibiting
red,
green,
blue
emissions
their
mixtures,
all
these
deformable
display
time-dependent
fluorescence
wide
range
colors.
Owing
excellent
performance
assembly
platform,
light-controlled
has
achieved
358-fold
enhancement.
Therefore,
exposing
loaded
spatially
controlled
manner
allows
us
draw
multicolored
images
that
disappeared
specific
period
time.
Chemical Reviews,
Год журнала:
2021,
Номер
122(5), С. 4887 - 4926
Опубликована: Дек. 23, 2021
Smart
soft
materials
are
envisioned
to
be
the
building
blocks
of
next
generation
advanced
devices
and
digitally
augmented
technologies.
In
this
context,
liquid
crystals
(LCs)
owing
their
responsive
adaptive
attributes
could
serve
as
promising
smart
materials.
LCs
played
a
critical
role
in
revolutionizing
information
display
industry
20th
century.
However,
turn
21st
century,
numerous
beyond-display
applications
have
been
demonstrated,
which
elegantly
exploit
controllable
stimuli-responsive
characteristics.
For
these
applications,
new
LC
rationally
designed
developed.
Review,
we
present
recent
developments
light
driven
chiral
LCs,
i.e.,
cholesteric
blue
phases,
based
windows
that
control
entrance
heat
from
outdoor
interior
buildings
built
environments
depending
on
weather
conditions,
elastomers
for
bioinspired,
biological,
actuator
biosensors
detection
proteins,
nucleic
acids,
viruses,
porous
membranes
separation
ions,
molecules,
microbes,
living
under
macro-
nanoscopic
confinement.
The
Review
concludes
with
summary
perspectives
challenges
opportunities
This
is
anticipated
stimulate
eclectic
ideas
toward
implementation
nature's
delicate
phase
matter
future
generations
beyond.
Advanced Materials,
Год журнала:
2021,
Номер
33(14)
Опубликована: Фев. 24, 2021
Abstract
Infrared
(IR)
adaptation
phenomena
are
ubiquitous
in
nature
and
biological
systems.
Taking
inspiration
from
natural
creatures,
researchers
have
devoted
extensive
efforts
for
developing
advanced
IR
adaptive
materials
exploring
their
applications
areas
of
smart
camouflage,
thermal
energy
management,
biomedical
science,
many
other
IR‐related
technological
fields.
Herein,
an
up‐to‐date
review
is
provided
on
the
recent
advancements
bioinspired
promising
applications.
First
overview
artificial
technologies
presented.
Recent
endeavors
then
introduced
toward
camouflage
radiative
cooling.
According
to
Stefan‐Boltzmann
law,
can
be
realized
by
either
emissivity
engineering
or
cloaks.
cooling
maximize
radiation
object
through
atmospheric
transparency
window,
thus
holds
great
potential
use
energy‐efficient
green
buildings
personal
management
advances
emerging
near‐IR
(NIR)
also
discussed,
including
NIR‐triggered
technologies,
NIR
light‐fueled
soft
robotics,
light‐driven
supramolecular
nanosystems.
This
concludes
with
a
perspective
challenges
opportunities
future
development
materials.
Abstract
Self‐assembly,
as
a
typical
bottom‐up
strategy
for
the
fabrication
of
functional
materials,
has
been
applied
to
fabricate
chiral
materials
with
subtle
nanostructures.
The
nanostructures
exhibit
great
potential
in
asymmetric
catalysis,
sensing,
electronics,
photonics,
and
even
realization
several
biological
functions.
According
existing
studies,
supramolecular
chirality
transfer
process
combined
hierarchical
self‐assembly
plays
vital
role
multiscale
structures.
This
progress
report
focuses
on
or
achiral
molecules
that
aggregate
spatial
structures
such
twisted
bands,
helices,
superhelices
different
environments.
Herein,
recent
studies
induced
based
variety
interactions
are
summarized.
In
addition,
influence
environments
states
systems
including
solutions,
condensed
states,
gel
systems,
interfaces
self‐assembly,
expression
explored.
Moreover,
both
driving
forces
facilitate
bias
play
an
important
expression,
transfer,
amplification
sense
correspondingly
discussed.
Advanced Functional Materials,
Год журнала:
2020,
Номер
31(7)
Опубликована: Ноя. 3, 2020
Abstract
Fluorescent
photochromic
molecules
that
exhibit
distinct
light‐triggered
changes
in
their
emission
colors
are
highly
desirable
for
the
fabrication
of
smart
soft
materials
and
advanced
photonic
devices.
α‐Cyanodiarylethenes,
is,
α‐cyano‐functionalized
diarylethenes,
as
alternative
“non‐azo”
Z/E
molecular
switches,
popular
choices
due
to
unique
characteristics
such
aggregation‐induced
or
aggregation‐induced‐enhanced
behavior
self‐assembled
states,
visible
fluorescence
during
photoisomerization.
In
recent
years,
development
fluorescent
α‐cyanodiarylethene‐based
compounds
including
α‐cyanostilbenes,
dicyanodistyrylbenzenes,
diaryldicyanoethenes,
has
mainly
focused
on
design,
photochemical
photophysical
solution,
matter
technologies.
this
review,
significant
achievements
light‐responsive
systems
based
photoisomerization
α‐cyanodiarylethene
switches
span
range
from
liquid
crystals
gels
finally
nanostructures,
highlighted.
The
constructed
find
use
a
plethora
areas,
display,
sensing,
encrypting,
actuating,
biomedical
imaging
applications,
among
others.
review
concludes
with
brief
perspective
some
major
challenges
opportunities
future
materials.
Abstract
Circularly
polarized
luminescence
(CPL)
has
gained
considerable
attention
in
various
systems
and
rapidly
developed
into
an
emerging
research
field.
To
meet
the
needs
of
actual
applications
diverse
fields,
a
high
dissymmetry
factor
(
g
lum
)
tunable
optical
performance
CPL
would
be
most
urgent
pursuit
for
researchers.
Accordingly,
many
materials
strategies
have
been
to
address
these
critical
issues.
Emissive
cholesteric
liquid
crystals
(CLCs),
that
is,
luminescent
self‐organized
helical
superstructures,
are
considered
ideal
candidates
constructing
CPL‐active
materials,
as
they
not
only
exhibit
values,
but
also
enable
flexible
control
CPL.
This
review
mainly
summarizes
characteristics
based
on
CLCs
bulk
phase
doped
with
different
emitters,
including
aggregated
induced
emission
molecules,
conventional
organic
small
polymer
metal–organic
complex
nanoparticles.
In
addition,
recent
significant
progress
stimulus‐responsive
emissive
terms
several
types
stimuli,
light,
electricity,
temperature,
mechanical
force,
multiple
stimuli
is
presented.
Finally,
short
perspective
opportunities
challenges
associated
CLC
field
provided.
anticipated
offer
new
insights
guidelines
developing
CLC‐based
broader
applications.
Light Science & Applications,
Год журнала:
2022,
Номер
11(1)
Опубликована: Июнь 21, 2022
As
one
of
the
most
ideal
display
approaches,
holographic
3-dimensional
(3D)
has
always
been
a
research
hotspot
since
images
reproduced
in
such
system
are
very
similar
to
what
humans
see
actual
environment.
However,
current
3D
displays
suffer
from
critical
bottlenecks
narrow
viewing
angle
and
small
size.
Here,
we
propose
tunable
liquid
crystal
grating-based
with
wide
large
Our
grating,
providing
an
adjustable
period
secondary
diffraction
reconstructed
image,
enables
simultaneously
implement
two
different
hologram
generation
methods
achieving
enlarged
size,
respectively.
By
using
mechanism
proposed
breaks
through
limitations
size
display.
The
shows
57.4°,
which
is
nearly
7
times
conventional
case
single
spatial
light
modulator,
image
by
about
4.2.
will
have
applications
medical
diagnosis,
advertising,
education
entertainment
other
fields.
Angewandte Chemie International Edition,
Год журнала:
2021,
Номер
60(52), С. 27158 - 27163
Опубликована: Сен. 22, 2021
Two
light-driven
chiral
fluorescent
molecular
switches,
(R,S,R)-switch
1
and
2,
are
prepared
by
means
of
hydrogen-bonded
(H-bonded)
assembly
a
photoresponsive
(S)
molecule,
respectively
with
cyano
substitution
at
different
positions
as
an
H-bond
acceptor
opposite
(R)
molecule
donor.
The
resulting
two
switches
exhibit
tunable
reversible
Z/E
photoisomerization
irradiated
450
nm
blue
365
UV
light.
When
doped
into
achiral
liquid
crystal,
both
found
to
be
able
form
CPL
luminescent
helical
superstructure.
In
contrast
the
characteristics
system
incorporating
switch
exposure
radiation
can
lead
controllable
photostationary
behavior,
including
switching-off
polarization
inversion.
addition,
optical
information
coding
is
demonstrated
using
containing
1.
Laser & Photonics Review,
Год журнала:
2022,
Номер
17(1)
Опубликована: Ноя. 30, 2022
Abstract
As
the
vital
elements
for
building
environments,
windows
are
utilized
to
bring
light
as
well
thermal
irradiation
into
interior
places
and
afford
medium
communication
between
exterior
of
buildings.
Liquid
crystal
(LC)‐based
smart
windows,
which
mainly
made
LC
materials
or
polymer/LC
composites,
can
dynamically
modulate
transmittance
regulate
heat
radiation
entering
buildings
from
sun
via
orientation
variation
molecules.
Such
play
an
important
role
in
intelligent
energy
conservation,
contributes
providing
a
more
comfortable
low‐energy‐consumption
living
environment
mankind.
In
this
review,
recent
progress
LC‐based
each
category
is
overviewed.
New
materials,
new
ideas,
methods
improve
performance
conventional
create
novel
window
technologies
outlined.
Different
advanced
technologies,
including
electrochromism,
thermochromism,
photochromism,
humidity‐triggered
chromism,
mechanical
self‐powered
technique,
dynamic
infrared
regulating
mechanisms,
discussed
systematically.
The
applications
indoor
illumination/privacy
protection
switching,
human‐machine
interaction,
regulation
highlighted.
Last,
challenges
perspectives
also
provided.
Light Science & Applications,
Год журнала:
2024,
Номер
13(1)
Опубликована: Янв. 15, 2024
Abstract
Holographic
3D
display
is
highly
desirable
for
numerous
applications
ranging
from
medical
treatments
to
military
affairs.
However,
it
challenging
simultaneously
achieve
large
viewing
angle
and
high-fidelity
color
reconstruction
due
the
intractable
constraints
of
existing
technology.
Here,
we
conceptually
propose
experimentally
demonstrate
a
simple
feasible
pathway
using
well-designed
liquid
crystal
grating
overcome
inevitable
chromatic
aberration
enlarge
holographic
angle,
thus
enabling
large-viewing-angle
display.
The
use
allows
performing
secondary
diffraction
modulation
on
red,
green
blue
reproduced
images
extending
in
system.
In
principle,
aberration-free
hologram
generation
mechanism
combination
with
proposed
pave
way
such
superior
system
shows
~50.12°,
which
about
7
times
that
traditional
single
spatial
light
modulator.
This
work
presents
paradigm
achieving
display,
expected
provide
new
wide
application