Abstract
Microactuators
can
autonomously
convert
external
energy
into
specific
mechanical
motions.
With
the
feature
sizes
varying
from
micrometer
to
millimeter
scale,
microactuators
offer
many
operation
and
control
possibilities
for
miniaturized
devices.
In
recent
years,
advanced
microfluidic
techniques
have
revolutionized
fabrication,
actuation,
functionalization
of
microactuators.
Microfluidics
not
only
facilitate
fabrication
with
continuously
changing
materials
but
also
deliver
various
signals
stimulate
as
desired,
consequently
improve
chips
multiple
functions.
Herein,
this
cross‐field
that
systematically
correlates
microactuator
properties
functions
is
comprehensively
reviewed.
The
strategies
are
classified
two
types
according
flow
state
microfluids:
stop‐flow
continuous‐flow
prototyping.
working
mechanism
in
discussed
detail.
Finally,
applications
microactuator‐enriched
functional
chips,
which
include
tunable
imaging
devices,
micromanipulation
tools,
micromotors,
microsensors,
summarized.
existing
challenges
future
perspectives
discussed.
It
believed
rapid
progress
cutting‐edge
field,
intelligent
microsystems
may
realize
high‐throughput
manipulation,
characterization,
analysis
tiny
objects
find
broad
fields,
such
tissue
engineering,
micro/nanorobotics,
analytical
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(39)
Опубликована: Март 22, 2023
Abstract
The
rapid
development
of
additive
manufacturing
has
fueled
a
revolution
in
various
research
fields
and
industrial
applications.
Among
the
myriad
advanced
3D
printing
techniques,
two‐photon
polymerization
lithography
(TPL)
uniquely
offers
significant
advantage
nanoscale
print
resolution,
been
widely
employed
diverse
fields,
for
example,
life
sciences,
materials
mechanics,
microfluidics.
More
recently,
by
virtue
optical
transparency
most
resins
used,
TPL
is
finding
new
applications
optics
photonics,
with
nanometer
to
millimeter
feature
dimensions.
It
enables
minimization
elements
systems,
exploration
light‐matter
interactions
degrees
freedom,
never
possible
before.
To
review
recent
progress
related
research,
it
starts
fundamentals
material
formulation,
then
discusses
novel
fabrication
methods,
wide
range
These
notably
include
diffractive,
topological,
quantum,
color
optics.
With
panoramic
view
development,
concluded
insights
perspectives
future
potential
Science,
Год журнала:
2023,
Номер
381(6665), С. 1468 - 1474
Опубликована: Сен. 28, 2023
3D
printing
of
inorganic
materials
with
nanoscale
resolution
offers
a
different
processing
pathway
to
explore
devices
emergent
functionalities.
However,
existing
technologies
typically
involve
photocurable
resins
that
reduce
material
purity
and
degrade
properties.
We
develop
general
strategy
for
laser
direct
nanomaterials,
as
exemplified
by
more
than
10
semiconductors,
metal
oxides,
metals,
their
mixtures.
Colloidal
nanocrystals
are
used
building
blocks
photochemically
bonded
through
native
ligands.
Without
resins,
this
bonding
process
produces
arbitrary
three-dimensional
(3D)
structures
large
mass
fraction
(~90%)
high
mechanical
strength.
The
printed
preserve
the
intrinsic
properties
constituent
create
structure-dictated
functionalities,
such
broadband
chiroptical
responses
an
anisotropic
factor
~0.24
semiconducting
cadmium
chalcogenide
nanohelical
arrays.
Advanced Materials,
Год журнала:
2023,
Номер
36(17)
Опубликована: Авг. 19, 2023
Abstract
Recently,
many
organic
optoelectronic
materials
(OOMs),
especially
those
used
in
light‐emitting
diodes
(OLEDs),
solar
cells
(OSCs),
and
field‐effect
transistors
(OFETs),
are
explored
for
biomedical
applications
including
imaging
photoexcited
therapies.
In
this
review,
recently
developed
OOMs
fluorescence
imaging,
photoacoustic
photothermal
therapy,
photodynamic
summarized.
Relationships
between
their
molecular
structures,
nanoaggregation
photophysical
mechanisms,
properties
various
discussed.
Mainly
four
kinds
of
covered:
thermally
activated
delayed
OLEDs,
conjugated
small
molecules
polymers
OSCs,
charge‐transfer
complexes
OFETs.
Based
on
the
unique
optical
properties,
excitation
light
wavelength
exciton
dynamics,
they
respectively
exploited
suitable
applications.
This
review
is
intended
to
serve
as
a
bridge
researchers
area
devices
Moreover,
it
provides
guidance
selecting
or
modifying
high‐performance
uses.
Current
challenges
future
perspectives
also
discussed
with
hope
inspiring
further
development
efficient
Advanced Functional Materials,
Год журнала:
2023,
Номер
34(20)
Опубликована: Апрель 23, 2023
Abstract
Light‐based
3D
printing
has
received
significant
attention
due
to
several
advantages
including
high
speed
and
resolution.
Along
with
the
development
of
new
technologies,
material
design
is
key
for
next
generation
light‐based
printing.
Conventional
printable
polymeric
materials,
also
known
as
photopolymers
or
photoresins,
often
lead
thermosets–polymer
networks
cross‐linked
by
permanent
covalent
bonds
which
bring
limited
adaptability
restricted
reprocessability.
Dynamic
that
can
reversibly
break
reform
enable
network
rearrangement,
thereby
offering
unprecedented
properties
materials
such
adaptability,
self‐healing,
recycling
capabilities.
Hence,
introducing
dynamic
into
a
promising
strategy
further
expand
meet
diverse
application
scenarios
printed
multi‐functional
moreover
more
demanding
sustainable
nature‐inspired
considerations
(e.g.,
self‐healing).
Herein,
an
overview
recent
advances
in
printing,
aiming
bridge
these
two
research
fields
presented.
Importantly,
current
challenges
are
analyzed
perspectives
developing
their
potential
applications
provided.
International Journal of Extreme Manufacturing,
Год журнала:
2024,
Номер
6(4), С. 042002 - 042002
Опубликована: Март 20, 2024
Abstract
Optical
imaging
systems
have
greatly
extended
human
visual
capabilities,
enabling
the
observation
and
understanding
of
diverse
phenomena.
Imaging
technologies
span
a
broad
spectrum
wavelengths
from
x-ray
to
radio
frequencies
impact
research
activities
our
daily
lives.
Traditional
glass
lenses
are
fabricated
through
series
complex
processes,
while
polymers
offer
versatility
ease
production.
However,
modern
applications
often
require
lens
assemblies,
driving
need
for
miniaturization
advanced
designs
with
micro-
nanoscale
features
surpass
capabilities
traditional
fabrication
methods.
Three-dimensional
(3D)
printing,
or
additive
manufacturing,
presents
solution
these
challenges
benefits
rapid
prototyping,
customized
geometries,
efficient
production,
particularly
suited
miniaturized
optical
devices.
Various
3D
printing
methods
demonstrated
advantages
over
counterparts,
yet
remain
in
achieving
resolutions.
Two-photon
polymerization
lithography
(TPL),
technique,
enables
intricate
structures
beyond
diffraction
limit
via
nonlinear
process
two-photon
absorption
within
liquid
resin.
It
offers
unprecedented
abilities,
e.g.
alignment-free
fabrication,
prototyping
almost
arbitrary
nanostructures.
In
this
review,
we
emphasize
importance
criteria
performance
evaluation
devices,
discuss
material
properties
relevant
TPL,
techniques,
highlight
application
TPL
imaging.
As
first
panoramic
review
on
topic,
it
will
equip
researchers
foundational
knowledge
recent
advancements
optics,
promoting
deeper
field.
By
leveraging
its
high-resolution
capability,
extensive
range,
true
processing,
alongside
advances
materials,
design,
envisage
disruptive
solutions
current
promising
incorporation
future
applications.
Applied Physics Reviews,
Год журнала:
2025,
Номер
12(1)
Опубликована: Янв. 21, 2025
Droplet
microfluidics
has
emerged
as
highly
relevant
technology
in
diverse
fields
such
nanomaterials
synthesis,
photonics,
drug
delivery,
regenerative
medicine,
food
science,
cosmetics,
and
agriculture.
While
significant
progress
been
made
understanding
the
fundamental
mechanisms
underlying
droplet
generation
microchannels
fabricating
devices
to
produce
droplets
with
varied
functionality
high
throughput,
challenges
persist
along
two
important
directions.
On
one
side,
generalization
of
numerical
results
obtained
by
computational
fluid
dynamics
would
be
deepen
comprehension
complex
physical
phenomena
microfluidics,
well
capability
predicting
device
behavior.
Conversely,
truly
three-dimensional
architectures
enhance
microfluidic
platforms
terms
tailoring
enhancing
flow
properties.
Recent
advancements
artificial
intelligence
(AI)
additive
manufacturing
(AM)
promise
unequaled
opportunities
for
simulating
behavior,
precisely
tracking
individual
droplets,
exploring
innovative
designs.
This
review
provides
a
comprehensive
overview
recent
applying
AI
AM
microfluidics.
The
basic
properties
multiphase
flows
production
are
discussed,
current
fabrication
methods
related
introduced,
together
their
applications.
Delving
into
use
technologies
topics
covered
include
AI-assisted
simulations
real-time
within
systems,
AM-fabrication
systems.
synergistic
combination
is
expected
active
matter
expediting
transition
toward
fully
digital
