Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(17), P. 1415 - 1415
Published: Aug. 29, 2024
In
this
investigation,
the
laser
marker
ablation
technique
was
employed
on
Cu-coated
glass
to
fabricate
micro-nanostructured
antifog
glass.
The
resulting
surfaces
exhibited
a
quasi-periodic
micron
hillock-hollow
structure
with
dispersed
nanoparticles
distributed
throughout,
which
played
role
in
property
and
superhydrophilicity.
However,
airborne
organic
pollutant
deposition
degraded
superhydrophilicity
of
ablated
and,
therefore,
their
performance,
cannot
be
circumvented.
Conventionally,
furnace
annealing
for
at
least
1
h
used
decompose
pollutants
restore
superhydrophilicity,
limiting
throughput
application
scenario.
Remarkably,
rapid
regeneration
achieved
through
either
5
min
thermal
treatment
400
°C
or
s
flame
treatment.
These
are
interventions
that
hitherto
unreported.
Such
short
simple
methods
underscore
potential
laser-ablated
diverse
practical
applications.
Discover Nano,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: March 26, 2024
Abstract
This
study
presents
a
technique
for
processing
transparent
glass
and
resin
substrates
using
low-cost
laser
marker
to
create
micro-nano-structured
surface
with
exceptional
anti-fog
properties.
The
approach
involved
depositing
an
aluminum
(Al)
film
on
the
as
absorbing
layer,
followed
by
rapid
ablation.
ablation
process
effectively
removed
majority
of
Al
film,
resulting
in
formation
hierarchical
hillock-hollow
micro-structures
dispersion
Al-based
nano-particles
throughout
surface.
structure
glasses
demonstrated
performance
even
after
629
days
storage
laboratory,
which
marked
longest
antifog
record.
It
exhibited
impressive
property
without
visible
degradation
first
9
months,
though
degraded
substantially
afterwards.
Furthermore,
micro-nano
played
key
role
reducing
contact
angle
experienced
significant
reduction
from
value
64°
control
6.9°
treated
resin,
while
it
was
reduced
44°
0°
glass,
indicating
superhydrophilicity.
superhydrophilic
state
persisted
period
25
days.
