Chemical Reviews,
Год журнала:
2021,
Номер
121(4), С. 2147 - 2229
Опубликована: Янв. 19, 2021
Spontaneous
deracemizations
is
a
challenging,
multidisciplinary
subject
in
current
chirality
research.
In
the
absence
of
any
chiral
inductors,
an
achiral
substance
or
racemic
composition
driven
into
enantioenriched
even
homochiral
state
through
selective
energy
input,
e.g.,
chemical
potential,
photoirradiation,
mechanical
grinding,
ultrasound
waves,
thermal
gradients,
etc.
The
most
prominent
examples
such
transformations
are
Soai
reaction
and
Viedma
deracemization.
this
review,
we
track
recent
developments
topic
recall
that
many
other
have
been
reported
for
solutions
from
mesophases
to
conglomerate
crystallizations.
A
compiled
set
simply
available
organic,
inorganic,
organometallic,
MOF
compounds,
yielding
crystals,
should
give
impetus
realize
new
experiments
on
spontaneous
deracemizations.
Taking
account
thermodynamic
constraints,
modeling
efforts
shown
structural
features
alone
not
sufficient
describe
As
guideline
particular
attention
paid
physicochemical
origin
symmetry
requirements
processes.
Applied Physics Reviews,
Год журнала:
2022,
Номер
9(1)
Опубликована: Янв. 3, 2022
Liquid
crystal
elastomers
(LCEs),
owing
to
their
intrinsic
anisotropic
property
and
capability
of
generating
programmable
complex
morphologies
under
heat,
have
been
widely
used
for
applications
ranging
from
soft
robotics,
photonic
devices,
cell
culture,
tissue
engineering.
To
fulfill
the
various
circumstances,
high
actuation
efficiency,
mechanical
strength,
large
heat
electrical
conductivity,
or
responses
multiple
stimuli
are
required.
Therefore,
design
fabrication
LCE
composites
a
promising
strategy
enhanced
physical
properties
offer
additional
LCEs
such
as
light,
electric,
magnetic
fields.
In
this
review,
we
focus
on
recent
advances
in
composites,
where
defined
elastomeric
materials
broader
context.
Classic
with
metallic
nanoparticles,
particles,
liquid
metal,
carbon
nanotubes,
graphene
its
derivative,
black,
cellulose
nanocrystals
within
polymer
network
can
provide
unique
anisotropy
will
be
discussed.
We
conclude
challenges
future
research
opportunities.
Chemical Reviews,
Год журнала:
2019,
Номер
119(24), С. 12279 - 12336
Опубликована: Дек. 3, 2019
The
extraordinary
properties
of
biological
materials
often
result
from
their
sophisticated
hierarchical
structures.
Through
multilevel
and
cross-scale
structural
designs,
offset
the
weakness
individual
building
blocks
enhance
performance
at
multiple
length
scales
to
match
multifunctional
needs
organisms.
One
essential
merit
structure
is
that
it
can
optimize
interfacial
features
"building
blocks"
different
scales,
molecular
level
macroscale.
Understanding
roles
material
interfaces
(BMIs)
on
determination
functions
has
become
a
growing
interdisciplinary
research
area
in
recent
years.
A
pivotal
aim
these
studies
use
BMIs
as
inspiration
for
developing
bioinspired
biomimetic
devices
with
advanced
structures
functions.
Given
considerations,
this
review
aims
comprehensively
discuss
structure-property-function
relationships
nature.
We
particularly
focus
discussion
inspired
mechanical
optical
perspectives
because
two
directions
are
most
well-investigated
closely
related.
challenges
design
fabrication
BMI-inspired
also
discussed.
This
expected
garner
interest
communities
well
environmental,
nanotechnology,
food
processing,
engineering
fields.
Advanced Materials,
Год журнала:
2020,
Номер
32(14)
Опубликована: Фев. 20, 2020
Movement
is
one
of
the
vital
features
living
systems,
and
remote
control
bioinspired
soft
robotic
systems
in
a
precise,
contactless
harmless
way
extremely
desirable
but
challenging.
A
near-infrared
(NIR)
photodriven
polymeric
oscillator
designed
fabricated
by
selectively
coating
mussel-inspired
polydopamine
(PDA)
polymer
layer
on
surface
splay-aligned
liquid
crystalline
network
(LCN)
film.
The
oscillating
motions
LCN
oscillators
can
be
facilely
manipulated
tuning
light
intensity
film
thickness.
More
importantly,
programmability
PDA
enables
behaviors
to
predesignated
finely
adjusted
with
locally
repeatedly.
self-oscillating
movement
mechanism
attributed
temperature
oscillation
at
PDA-coated
since
it
alternatively
exposed
sheltered
NIR-light
irradiations.
Owing
over
50%
NIR
irradiation
solar
spectrum,
found
oscillate
upon
exposure
focused
sunlight,
presenting
great
potential
fabrication
power
generation
devices.
This
provides
versatile
strategy
fabricate
NIR-light-actuated
oscillators,
providing
inspirations
development
biological
robots
advanced
biomimetic
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.
Chemical Reviews,
Год журнала:
2021,
Номер
121(4), С. 2147 - 2229
Опубликована: Янв. 19, 2021
Spontaneous
deracemizations
is
a
challenging,
multidisciplinary
subject
in
current
chirality
research.
In
the
absence
of
any
chiral
inductors,
an
achiral
substance
or
racemic
composition
driven
into
enantioenriched
even
homochiral
state
through
selective
energy
input,
e.g.,
chemical
potential,
photoirradiation,
mechanical
grinding,
ultrasound
waves,
thermal
gradients,
etc.
The
most
prominent
examples
such
transformations
are
Soai
reaction
and
Viedma
deracemization.
this
review,
we
track
recent
developments
topic
recall
that
many
other
have
been
reported
for
solutions
from
mesophases
to
conglomerate
crystallizations.
A
compiled
set
simply
available
organic,
inorganic,
organometallic,
MOF
compounds,
yielding
crystals,
should
give
impetus
realize
new
experiments
on
spontaneous
deracemizations.
Taking
account
thermodynamic
constraints,
modeling
efforts
shown
structural
features
alone
not
sufficient
describe
As
guideline
particular
attention
paid
physicochemical
origin
symmetry
requirements
processes.
