Luminescence,
Journal Year:
2024,
Volume and Issue:
39(3)
Published: March 1, 2024
Nano-biocomposites
of
inorganic
and
organic
components
wereprepared
to
produce
long-persistent
phosphorescent
artificial
nacre-like
materials.
Biodegradable
polylactic
acid
(PLA),
graphene
oxide
(GO),
nanoparticles
(13-20
nm)
lanthanide-doped
aluminate
pigment
(NLAP)
were
used
in
a
simple
production
procedure
an
organic/inorganic
hybrid
nano-biocomposite.
Both
GO
nanosheets
chemically
modified
form
covalent
hydrogen
bonding.
The
high
toughness,
good
tensile
strength,
great
endurance
those
bonds
achieved
by
their
interactions
at
the
interfaces.
Long-persistent
reversible
photoluminescence
was
shown
prepared
nacre
substrates.
Upon
excitation
365
nm,
substrates
generated
emission
peak
517
nm.
When
ultraviolet
light
shone
on
luminescent
nacres,
they
displayed
bright
green
colour.
superhydrophobicity
nacres
obtained
without
altering
mechanical
characteristics.
Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
141(14)
Published: Jan. 9, 2024
Abstract
Electrospun
glass
nanofibers
(EGNFs)
were
prepared
to
reinforce
polyethylene
(PE)
plastic
waste
towards
the
development
of
photochromic
anti‐counterfeiting
patterns
and
long‐persistent
photoluminescent
materials,
such
as
smart
windows
concrete.
By
physical
integration
lanthanide‐doped
aluminate
(LdA)
nanoparticles
(NPs)
into
reinforced
with
EGNFs,
a
transparent
(LdANPs)/EGNFs@PE
sheet
was
produced.
The
colorless
EGNFs@PE
hybrids
became
green
under
ultraviolet
(UV)
rays
greenish‐yellow
in
darkened
room
proved
by
CIE
Lab
photoluminescence
analysis.
In
luminescent
LdANPs/EGNFs@PE
hybrids,
identified
photochromism
promptly
reversed
at
low
concentrations
LdANPs
designate
fluorescence
emission.
Photoluminescence
maintained
slow
reversibility
for
high
phosphor
afterglow
exhibit
diameters
5–12
nm,
whereas
have
70–120
nm.
morphologies
substrates
studied
energy‐dispersive
x‐ray
spectroscopy
(EDX),
scanning
electron
microscopy
(SEM),
(XRF).
mechanical
properties
enhanced
reinforcement
roughening
agent.
showed
markedly
improved
scratch
resistance
comparison
LdANPs‐free
substrate.
obtained
luminescence
spectra
displayed
an
emission
band
519
nm
upon
excitation
365
results
demonstrated
that
luminous
has
hydrophobicity
UV
shielding
increasing
content.
