Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 16, 2024
Abstract
Organic
circularly
polarized
luminescence
(CPL)
plays
crucial
roles
in
chemistry
and
biology
for
the
potential
chiral
recognition,
asymmetric
catalysis,
3D
displays,
biological
probes.
The
long‐lived
luminescence,
large
Stokes
shift,
unique
chiroptical
properties
make
organic
room‐temperature
phosphorescence
(CPP)
a
new
research
hotspot
recent
years.
Nevertheless,
achieving
high‐performance
CPP
is
still
challenging
due
to
sensitivity
complexity
of
integrating
triplet
excitons
polarization
within
materials.
This
review
summarizes
latest
advances
CPP,
ranging
from
design
strategies
photophysical
underlying
mechanisms
applications.
Specifically,
generating
are
systemically
categorized
discussed
according
interactions
between
units
chromophores.
applications
light‐emitting
diodes,
sensing,
afterglow
information
encryption
also
illustrated.
In
addition,
we
present
current
challenges
perspectives
on
developing
CPP.
We
expect
this
provide
some
instructive
principles
fabricate
materials,
offering
an
in‐depth
understanding
mechanism
paving
way
toward
diverse
practical
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,
Abstract
Chirality
is
a
fundamental
property
in
nature,
which
essential
for
the
existence
and
survival
of
living
organisms.
Smart
responsive
chiroptical
materials
have
garnered
increasing
attention
due
to
their
unique
structural
characteristics
potential
applications.
Among
these,
azobenzene
(Azo),
as
typical
photoresponsive
chromophore,
plays
crucial
role
constructing
controlling
chiral
structures.
The
cis
‐
trans
isomerization,
liquid
crystallinity,
other
physicochemical
properties
allow
wide
range
tunability
stimuli‐responsive
materials.
Herein,
we
review
research
studies
field
chiral/achiral
Azo
building
blocks
multilevel
generation
well
switching,
summarize
recent
advances
on
applications
structures
from
micro
macro
levels.
Finally,
aim
provide
an
overview
challenges
new
opportunities
development
novel
smart
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(29)
Опубликована: Май 6, 2024
Abstract
Chirality,
a
fundamental
principle
in
chemistry,
biology,
and
medicine,
is
prevalent
nature
organisms.
Chiral
molecules,
such
as
DNA,
RNA,
proteins,
are
crucial
biomolecular
synthesis,
well
the
development
of
functional
materials.
Among
these,
1,1′‐binaphthyl‐2,2′‐diol
(BINOL)
stands
out
for
its
stable
chiral
configuration,
versatile
functionality,
commercial
availability.
BINOL
widely
employed
asymmetric
catalysis
This
review
mainly
focuses
on
recent
research
over
past
five
years
concerning
use
derivatives
constructing
macrocycles
cages.
Their
contributions
to
luminescence,
enantiomeric
separation,
transmembrane
transport,
were
examined.
Chemical Communications,
Год журнала:
2024,
Номер
60(48), С. 6182 - 6185
Опубликована: Янв. 1, 2024
Two
pairs
of
chiral
MOFs,
DCF-15/LCF-15
and
DCF-16/LCF-16,
were
constructed
through
assembly
achiral
aggregation-induced
emission
(AIE)-type
multidentate
linkers
(TPPE
TPA)
camphoric
acid
(
d
/
l
-cam),
exhibiting
non-reciprocal
CPL.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 25, 2025
Helices
are
among
the
most
significant
structures
in
nature,
representing
an
emerging
group
of
materials
distinguished
by
their
unique
helical
geometry.
Recently,
nanofibers
have
attracted
considerable
attention
due
to
exceptional
structural
characteristics
and
versatile
applications
various
fields,
including
tissue
engineering,
biomedicine,
nanotechnology,
chiral
materials.
Therefore,
developing
methods
fabricate
biomimetic
fibers
on
demand,
which
can
exhibit
a
diverse
range
physical
properties
forms,
is
great
interest
across
multiple
disciplines.
Despite
fibrous
materials,
fabrication
such
complex
at
micro-
or
nanoscale
level
remains
major
challenge.
Electrospinning
offers
simple
technique
for
producing
shapes.
This
review
systematically
summarizes
classifies
state-of-the-art
advancements
electrospun
into
four
categories
based
forming
mechanisms:
viscoelastic
asymmetric
contraction,
bending
instability
motion,
jet-induced
buckling
response,
rotary
winding
molding.
Additionally,
recent
these
nanofibrous
areas
as
environmental
remediation,
interactive
textiles,
biomedical
engineering
also
summarized.
Furthermore,
current
challenges
future
perspectives
field
put
forward.
We
anticipate
that
insights
provided
will
contribute
rational
design
advanced
artificial
thereby
enhancing
practical
future.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(26)
Опубликована: Апрель 18, 2024
The
dynamic
nature
of
calamitic
liquid
crystals
is
exploited
to
perform
isothermal
phase
transitions
driven
by
covalent
chemistry.
For
this
purpose,
nematic
(N)
arrays
based
on
aldehyde
1
were
treated
with
different
amines
(A-E)
in
an
on-surface
process,
which
resulted
transitions.
These
transformations
caused
situ
imination
reactions
and
are
dependent
the
added
amine.
Transitions
from
N
crystal
(1A,
1E),
isotropic
(1B),
smectic
(Sm)
(1C,
1D)
phases
achieved,
while
resulting
materials
feature
thermotropic
behavior.
A
sequential
transformation
Sm
1C
then
1B
was
achieved
coupling
a
transimination
processes
adjusting
temperature.
All
these
well
characterized
microscopic,
spectroscopic,
X-ray
techniques,
unlocking
not
only
constitutional
but
also
structural
aspects
This
work
provides
new
insights
into
designing
constitutionally
structurally
adaptable
systems,
paving
way
toward
conception
programable
evolutive
pathways
adaptive
materials.
ACS Nano,
Год журнала:
2024,
Номер
18(24), С. 15878 - 15887
Опубликована: Июнь 7, 2024
The
functionality
of
supramolecular
nanostructures
can
be
expanded
if
systems
containing
multiple
components
are
designed
to
either
self-sort
or
mix
into
coassemblies.
This
is
critical
gain
the
ability
craft
self-assembling
materials
that
integrate
functions,
and
our
understanding
this
process
in
its
early
stages.
In
work,
we
have
utilized
three
different
peptide
amphiphiles
with
capacity
form
β-sheets
within
found
binary
others
was
measured
using
atomic
force
microscopy
reveal
nanoscale
morphology
assemblies
confocal
laser
scanning
determine
distribution
fluorescently
labeled
monomers.
We
discovered
PA
opposite
chirality
self-sorted
chemically
distinct
nanostructures.
contrast,
molecules
formed
a
mixture
right-handed,
left-handed,
flat
on
their
own
were
able
coassemble
other
molecules.
attribute
phenomenon
energy
barrier
associated
changing
handedness
β-sheet
twist
coassembly
two
observation
could
useful
for
designing
biomolecular
dual
bioactivity
interpenetrating
networks
assemblies.
