ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 2, 2025
Chirality
is
widespread
in
nature
and
governs
the
properties
of
various
materials
including
inorganic
nanomaterials.
However,
previously
reported
chiral
have
been
limited
to
a
handful
compositions
owing
physicochemical
restrictions
that
impart
chirality.
Herein,
nanopaint
applicable
diverse
presented.
Various
metal
oxide
nanoparticles
(NPs)
show
chiroptical
after
coating
with
our
nanopaint,
while
maintaining
their
properties,
such
as
magnetic
properties.
The
combination
magnetism
chirality
brings
biomedical
functionalities
NPs,
anticancer
hyperthermia
treatment.
In
vitro,
d-nanopainted
iron
NPs
showed
more
than
50%
higher
cellular
uptake
compared
l-nanopainted
this
was
due
enantiospecific
interaction
between
receptors
on
cell
surface
NPs.
vivo,
4-fold
superior
efficiency
by
improved
adsorption
tumors.
These
may
provide
potential
synthesis
strategies
for
biomaterials,
which
exhibit
elaborate
combinations
intrinsic
physical
extrinsic
enantioselective
variety
applications.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(2), P. 455 - 553
Published: Jan. 4, 2024
In
the
era
of
Internet-of-things,
many
things
can
stay
connected;
however,
biological
systems,
including
those
necessary
for
human
health,
remain
unable
to
connected
global
Internet
due
lack
soft
conformal
biosensors.
The
fundamental
challenge
lies
in
fact
that
electronics
and
biology
are
distinct
incompatible,
as
they
based
on
different
materials
via
functioning
principles.
particular,
body
is
curvilinear,
yet
typically
rigid
planar.
Recent
advances
design
have
generated
tremendous
opportunities
wearable
bioelectronics,
which
may
bridge
gap,
enabling
ultimate
dream
healthcare
anyone,
anytime,
anywhere.
We
begin
with
a
review
historical
development
healthcare,
indicating
significant
trend
healthcare.
This
followed
by
focal
point
discussion
about
new
design,
particularly
low-dimensional
nanomaterials.
summarize
material
types
their
attributes
designing
bioelectronic
sensors;
we
also
cover
synthesis
fabrication
methods,
top-down,
bottom-up,
combined
approaches.
Next,
discuss
energy
challenges
progress
made
date.
addition
front-end
devices,
describe
back-end
machine
learning
algorithms,
artificial
intelligence,
telecommunication,
software.
Afterward,
integration
systems
been
applied
various
testbeds
real-world
settings,
laboratories
preclinical
clinical
environments.
Finally,
narrate
remaining
conjunction
our
perspectives.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(22)
Published: March 25, 2024
Abstract
Endowing
perovskite
quantum
dots
(PQDs)
with
circularly
polarized
luminescence
(CPL)
offers
great
promise
for
innovative
chiroptical
applications,
but
the
existing
strategies
are
inefficient
in
acquiring
stimuli‐responsive
flexible
chiral
films
large,
tunable
dissymmetry
factor
(
g
lum
)
and
long‐term
stability.
Here,
we
report
a
strategy
design
synthesis
of
luminescent
cholesteric
liquid
crystal
elastomer
(Lumin‐CLCE)
mechanically
CPL,
which
is
enabled
by
crystal‐templated
self‐assembly
situ
covalent
cross‐linking
judiciously
designed
photopolymerizable
CsPbX
3
(X=Cl,
Br,
I)
PQD
nanomonomers
into
elastic
polymer
networks.
The
resulting
Lumin‐CLCE
showcase
structural
color
natural
light
noticeable
CPL
maximum
value
up
to
1.5
under
UV
light.
manipulation
intensity
rotation
direction
achieved
controlling
self‐assembled
helicoidal
nanostructure
handedness
soft
helices.
A
significant
breakthrough
lies
achievement
reversible,
perovskite‐based
switch
activated
biaxial
stretching,
enables
flexible,
dynamic
anti‐counterfeiting
labels
capable
decrypting
preset
information
specific
polarization
states.
This
work
can
provide
new
insights
development
advanced
materials
their
emerging
applications
encryption,
3D
displays,
beyond.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 5, 2024
Abstract
3D
printing
has
shown
promise
in
the
development
of
notable
sensing
and
health
detection
devices.
Nonetheless,
challenges
remain
concurrent
highly
durable
wearable
sensors
with
low‐friction
surfaces.
This
challenge
serves
as
a
limiting
factor
operational
lifespans
these
sensors.
In
this
study,
magnetically
assisted
technique
is
developed
to
fabricate
composites
reinforced
magnetic
Fe
3
O
4
@SiO
2
nanochains
(NCs)
dimensions
60.2
µm
length
(L)
0.2
diameter
(D),
indicating
an
L:D
ratio
exceeding
300.
By
applying
vertical
field
extrusion
flow
sensor's
surface
layer,
NCs
can
be
arranged
differently
(together
printed
textures),
reducing
coefficient
friction
by
27.7%
improving
wear
resistance.
approach
inspired
nacre,
known
for
its
impressive
durability
resilience.
A
motion
monitoring
sensor
extended
lifespan
successfully
fabricated
using
liquid
metal
ink
integrated
anti‐wear
layer.
These
findings
offer
significant
insights
into
evolution
sensors,
demonstrating
their
adaptability
multi‐material
resulting
improved
performance
service
lives.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(6), P. 5122 - 5131
Published: Feb. 1, 2024
Colloidal
assembly
has
emerged
as
an
effective
avenue
for
achieving
polarized
light
emission.
Here,
we
showcase
the
efficacy
and
versatility
of
magnetic
colloidal
in
enabling
both
linearly
circularly
luminescence.
europium-doped
NaYF4
nanorods
with
surface-bound
Fe3O4
nanoparticles
are
magnetically
assembled
into
linear
or
chiral
superstructures
using
corresponding
fields
created
permanent
magnets.
In
a
uniform
field
generated
by
opposing
poles,
assemblies
exhibit
photoluminescence
intensity
tunable
response
to
direction,
which
is
higher
when
perpendicular
propagation
than
they
parallel.
The
obtained
display
strong
luminescence
aligned
vertically,
exhibiting
high
degree
polarization
up
0.61.
quadrupole
magnets,
emit
left-handed
right-handed
depending
on
position
sample
placement,
attaining
g-factor
0.04.
Furthermore,
immobilized
hydrogel
film
found
retain
their
chirality,
opposite
chiroptical
responses
orientation.
approach
facilitates
convenient
efficient
generation
emissions
from
nonmagnetic
luminescent
materials,
thus
creating
opportunities
tailoring
behavior
developing
innovative
optoelectronic
devices.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
147(2), P. 1803 - 1812
Published: Jan. 7, 2025
Chirality
epitomizes
the
sophistication
of
chemistry,
representing
some
its
most
remarkable
achievements.
Yet,
precise
synthesis
chiral
structures
from
achiral
building
blocks
remains
a
profound
and
enduring
challenge
in
synthetic
chemistry
materials
science.
Here,
we
demonstrate
that
colloidal
nanocrystals,
including
Au
Ag
can
assemble
into
long-range-ordered
helical
assemblies
with
assistance
molecules.
The
synchronized
aggregation
kinetics
between
silver
or
gold
nanocrystals
π-conjugated
perylene
diimide
molecules
enables
to
precisely
follow
pathways
molecular
assemblies.
This
results
formation
nanocrystal
extending
over
tens
micrometers.
These
helically
organized
exhibiting
high
positional
precision,
display
linear
size-dependent
chiroptical
properties.
Furthermore,
more
intricate
assemblies,
featuring
triple,
quadruple,
quintuple
strands,
be
observed
addition
commonly
encountered
double
Finally,
these
composed
discrete
fuse
continuous
Ag2S
following
sulfidation
reaction,
ultimately
leading
diverse
metal
sulfide
helices
through
cation
exchange
processes.
Science,
Journal Year:
2025,
Volume and Issue:
387(6733)
Published: Jan. 30, 2025
Highly
concentrated
solutions
of
asymmetric
semiconductor
magic-sized
clusters
(MSCs)
cadmium
sulfide,
selenide,
and
telluride
were
directed
through
a
controlled
drying
meniscus
front,
resulting
in
the
formation
chiral
MSC
assemblies.
This
process
aligned
their
transition
dipole
moments
produced
chiroptic
films
with
exceptionally
strong
circular
dichroism.
G-factors
reached
magnitudes
as
high
1.30
for
drop-cast
1.06
patterned
films,
approaching
theoretical
limits.
By
controlling
evaporation
geometry,
various
domain
shapes
sizes
achieved,
homochiral
domains
exceeding
6
square
millimeters
that
smoothly
between
left-
right-handed
chirality.
Our
results
uncovered
fundamental
relationships
deposition
processes,
alignment
supramolecular
filaments
constituents,
connection
to
emergent
properties.
