A Comprehensive Review on Cellulose Nanofibers, Nanomaterials, and Composites: Manufacturing, Properties, and Applications
Nanomaterials,
Год журнала:
2025,
Номер
15(5), С. 356 - 356
Опубликована: Фев. 25, 2025
Cellulose
nanofibers
(CNFs),
cellulose
nanomaterials
(CNMs),
and
cellulose-based
composites
represent
a
convergence
of
material
science,
sustainability,
advanced
engineering,
paving
the
way
for
innovative
eco-friendly
materials.
This
paper
presents
comprehensive
review
these
materials,
encompassing
their
extraction,
preparation
methods,
properties,
applications,
future
directions.
The
manufacturing
CNFs
CNMs
leverages
diverse
techniques-chemical,
mechanical,
enzymatic-with
each
offering
distinct
advantages
in
tailoring
characteristics
to
meet
specific
needs.
Strategies
functionalization
surface
modification
are
detailed,
highlighting
role
enhancing
properties
while
addressing
challenges
scaling
production
industrial
levels.
structural,
thermal,
optical,
electrical,
biocompatibility
CNFs,
CNMs,
explored,
underscoring
versatility
applications
across
various
industries.
Cellulose-based
composites,
particular,
demonstrate
exceptional
tunable
uses,
although
achieving
uniform
dispersion
remains
key
technical
hurdle.
These
materials
have
packaging,
automotive,
aerospace,
biomedical
devices,
energy
storage,
environmental
remediation.
Emerging
research
trends
emphasize
integration
with
technologies,
promoting
sustainable
practices
life
cycle
considerations
advancing
commercialization
potential.
rapidly
evolving
field
holds
immense
promise
global
by
creating
high-performance,
is
crucial
understanding
nanofibers,
nanomaterials,
providing
valuable
insights
that
will
drive
development
sustainable,
high-performance
wide
range
ultimately
challenges.
Язык: Английский
Tunable and Responsive Circularly Polarized Luminescence of Self‐Organized Cellulose Nanocrystal Chiral Superstructures Loaded with AIE Luminogen
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 9, 2025
Abstract
Circularly
polarized
luminescence
(CPL)
holds
great
potential
for
next‐generation
display
techniques.
However,
dynamic,
multicolor
CPL
with
high
luminescent
quantum
yield
(PLQY)
and
tunable
dissymmetry
factor
(
g
lum
)
based
on
cost‐effective,
sustainable
materials
is
scarcely
attainable.
Herein,
a
straightforward
approach
proposed
engineering
cellulose
nanocrystal
(CNC)
chiral
superstructures
loaded
aggregation‐induced
emission
luminogens
(AIEgens)
through
the
evaporation‐induced
self‐assembly
of
renewable
CNCs
tetra‐(4‐pyridylphenyl)ethylene
molecules.
The
judicious
design
two
building
blocks
as
donor–acceptor
pairs
not
only
respectively
achieves
an
86‐fold
2.1‐fold
improvement
in
PLQY
resulting
systems
suspension
aggregate
states
comparison
bare
AIEgens,
but
also
endows
AIEgen‐loaded
CNC
pH‐tunable,
humidity‐responsive,
maximal
|
0.89.
It
revealed
that
induction
photonic
bandgap
effects—which
are
dominated
by
interactions
homogeneous
or
heterogeneous
processes—are
involved
mechanisms.
Finally,
humidity‐responsive
multiple
changes
(structural
color,
fluorescent
CPL)
realized
both
biobased
inks
films,
which
paramount
importance
applications
dynamic
information
encryption.
This
work
offers
underlying
insights
construction
dynamically
CPL.
Язык: Английский
Physical insights into the high radiative cooling power of cellulose-based materials
Physical Chemistry Chemical Physics,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Cellulose-based
materials
exhibit
superior
spectral
properties
and
high
radiative
cooling
efficiency,
making
them
promising
candidates
for
passive
thermal
management
applications.
Язык: Английский
Self‐assembled small molecule spherulites under mild conditions: High solid‐state quantum yield and unique interconnected structural and fluorescent colors
Aggregate,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 24, 2024
Abstract
Spherulites
are
generally
fabricated
from
cooling
polymer
melts,
while
their
fabrication
under
mild
conditions
or
small
molecule
materials
has
been
barely
reported.
Besides,
organic
luminescent
molecules
typically
suffer
low
quantum
yields
in
a
solid
state.
Moreover,
preparing
material
with
interconnected
and
simultaneous
changes
structural
fluorescent
colors
is
challenging.
Here,
we
present
the
first
solution‐derived
spherulites
unique
colors,
self‐assembled
stearoylated
monosaccharides
at
room
temperature.
D‐galactose
stearoyl
ester
into
banded
spherulites,
containing
twisted
nanoplates
simultaneously
changing
colors.
In
comparison,
D‐mannose
can
only
form
non‐banded
which
contain
oriented
uniform
Such
revealed
novel
negative
correlation
between
fluorescence
birefringence,
termed
alignment‐promoted
quenching
propensity.
Remarkably,
solid‐state
of
galactose
mannose‐derived
as
high
49
±
2%
51
respectively,
approximately
ten
times
higher
than
those
unmodified
monosaccharides.
These
yield
values
among
highest
reported
nonconventional
fluorophores
even
comparable
to
conventional
aromatic
chromophores.
these
manifested
an
unexpected
excitation‐dependent
multicolor
photoluminescence
broad‐spectrum
emission
(410−620
nm).
They
show
multiple
peaks
photoluminescent
spectra
broad
lifetime
distributions,
should
be
attributed
clustering
variety
oxygen‐containing
functional
groups
emissive
moieties.
Язык: Английский