ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(33), С. 43991 - 44003
Опубликована: Июль 26, 2024
The
development
of
materials
with
circularly
polarized
luminescence
(CPL)
properties
is
a
promising
but
challenging
frontier
in
advanced
science.
Modulating
the
chiral
polymers
has
also
been
focus
research.
Studies
have
conducted
to
control
ground-state
chirality
by
adjusting
concentration
dopant.
However,
inversion
CPL
fluorescent
liquid
crystal
particles
dopant
not
reported.
Here,
we
report
preparation
cholesteric
(FCLC)
that
display
polarizable
structural
color
and
CPL,
demonstrating
how
varying
amount
can
reverse
direction,
leading
systems
where
rotation
directions
either
align
or
differ.
This
study
confirmed
critical
role
played
formation
twist
grain
boundary
phase
inducing
FCLC
and,
subsequently,
triggering
process
chirality.
Furthermore,
it
leverages
fluorescence
develop
sophisticated
dual
verification
system.
system,
utilizing
both
light
fluorescence,
offers
enhanced
anticounterfeiting
protection
for
high-value
items.
ACS Nano,
Год журнала:
2024,
Номер
18(3), С. 2279 - 2289
Опубликована: Янв. 11, 2024
Constructing
full-color
circularly
polarized
luminescence
(CPL)
materials
with
switchable
handedness
in
the
solid
state
is
an
appealing
yet
considerably
challenging
task,
especially
for
supramolecular
polymer
films
assembled
from
homochiral
monomers.
Herein,
polymers
CPL
and
inverted
are
realized
through
coassembly
of
a
cholesterol
derivative
(PVPCC),
metal
ions
(Zn2+),
achiral
fluorescent
dyes.
The
obtained
coassembled
systems
show
anion-directed
chirality
inversion
by
exchanging
anions
NO3–,
ClO4–,
BF4–,
Cl–.
For
instance,
negative
CD
right-handed
detected
PVPCC/Zn(NO3)2
aggregates,
which
convert
into
positive
left-handed
after
introducing
Cl–,
corresponding
to
transformation
nanorods
nanofibers.
Furthermore,
tunable
color
system
dyes
can
be
established
alternately
changing
assembling
temperature
298
273
K.
Importantly,
polymeric
then
constructed
doping
PVPCC/Zn(NO3)2/dyes
complexes
poly(methyl
methacrylate)
(PMMA)
film,
maintains
shows
enhanced
performance.
work
not
only
deepens
understanding
chemistry
but
also
helps
construct
building
blocks
science.
ACS Nano,
Год журнала:
2025,
Номер
19(1), С. 229 - 280
Опубликована: Янв. 4, 2025
Helical
structures
such
as
right-handed
double
helix
for
DNA
and
left-handed
α-helix
proteins
in
biological
systems
are
inherently
chiral.
Importantly,
chirality
at
the
nanoscopic
level
plays
a
vital
role
their
macroscopic
chiral
functionalities.
In
order
to
mimic
functions
of
natural
nanoarchitectures,
variety
nanostructures
obtained
from
artificial
helical
polymers
prepared,
which
can
be
directly
observed
by
atomic
force
microscopy
(AFM),
scanning
tunneling
(STM),
electron
(SEM),
transmission
(TEM).
This
review
mainly
focuses
on
formation
morphology
regulation
triggered
polymer
chain
length,
concentration,
solvent,
temperature,
photoirradiation,
chemical
additives.
addition,
distinct
including
recognition,
circularly
polarized
luminescence,
drug
release,
cell
imaging,
antibiosis
also
discussed.
Chemical Communications,
Год журнала:
2023,
Номер
59(77), С. 11469 - 11483
Опубликована: Янв. 1, 2023
Studies
on
various
macrocyclic
arenes
have
received
increasing
attention
due
to
their
straightforward
syntheses,
convenient
derivatization,
and
unique
complexation
properties.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(29)
Опубликована: Март 18, 2024
Abstract
Biologically
inspired
peptide‐based
materials,
as
novel
charge
transport
have
gained
increasing
interest
in
bioelectronics
due
to
their
remarkable
electrical
properties
and
inherent
biocompatibility.
Extensive
studies
shown
that
peptides
can
self‐assemble
into
a
variety
of
hierarchical
nanostructures
with
unique
physical
through
supramolecular
interactions.
Therefore,
materials
hold
great
promise
for
applications
emerging
electronic
fields
such
sensing,
energy
harvesting,
storage,
transmission.
Herein,
this
work
proposes
review
article
summarize
the
rational
design
research
progress
devices
bioelectronics.
This
first
introduces
strategies
assembly
mechanism
constructing
high‐performance
devices.
In
following
part,
are
systematically
classified
discussed,
including
sensors,
piezoelectric
nanogenerators,
electrodes,
semiconductors.
Finally,
remaining
challenges
future
perspectives
bioelectronic
presented.
believes
will
provide
inspiration
guidance
development
innovative
smart
field
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 13, 2024
The
efficient
synthesis
of
chiral
macrocycles
with
highly
enantioselective
recognition
remains
a
challenge.
We
have
addressed
this
issue
by
synthesizing
pair
macrocycles,
namely,
ACS Materials Letters,
Год журнала:
2024,
Номер
6(7), С. 2559 - 2568
Опубликована: Май 24, 2024
Chirality
inversion
modulation
is
of
great
importance
in
the
preparation
chiroptical
materials.
The
rational
use
stoichiometry
mixed
ligands
chiral
metal–organic
frameworks
(MOFs)
to
induce
enantiomeric
space
groups
a
crucial
topic
structural
chemistry.
However,
no
remarkable
results
have
been
reported
yet.
In
this
work,
we
synthesized
MOFs
through
assembly
camphoric
acid
(d/l-cam)
and
achiral
tetradentate
ligands.
Interestingly,
visible
single-crystal
structures
confirmed
that
chirality
can
be
achieved
via
stoichiometric
Significantly,
switches
circularly
polarized
luminescence
(CPL)
along
with
observed
clearly.
Moreover,
encapsulated
guest
emitters
exhibit
inverted
CPL,
revealing
helical-channel-dependent
transfer.
obtained
constitute
milestone
field
crystal
engineering
MOFs.
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
147(9), С. 7325 - 7335
Опубликована: Фев. 18, 2025
Helicates
are
a
defining
element
of
DNAs
and
proteins,
with
functions
that
critical
to
variety
biological
processes.
Cyclodextrins
promising
candidates
for
forging
multiple-stranded
helicates
well-defined
helicity,
but
lack
available
tools
has
precluded
the
construction
artificial
helical
nanochannels
controllable
geometry
helicity
from
these
widely
chiral
building
blocks.
Herein,
we
disclose
family
Ag6L2
can
be
readily
assembled
α-cyclodextrin-derived
ligands
through
coordination
between
pyridinyl
groups
Ag+
cations.
We
discovered
exhibit
either
an
M
or
P
when
cations
adopt
tetrahedral
while
losing
most
their
linearly
coordinated.
Both
precisely
controlled
by
simply
changing
number
methyl
at
ortho
positions
ligands.
The
tetracoordinated
interconnect
into
infinite
two-dimensional
coordinative
network
characterized
hexagonal
tessellation.
Theoretical
calculations,
which
reveal
lower
energies
conformations
observed
in
crystals
compared
those
inverted
counterparts,
support
experimental
results.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(24), С. 16558 - 16566
Опубликована: Июнь 10, 2024
Understanding
how
life's
essential
homochiral
biopolymers
arose
from
racemic
precursors
is
a
challenging
quest.
Herein,
we
present
groundbreaking
approach
involving
hierarchical
chiral
assembly-driven
stereoselective
ring-opening
polymerization
of
ε-benzyloxycarbonyl-l/d-lysine
