Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(13), P. 1141 - 1141
Published: July 2, 2024
A
cellulose-based
carbon
aerogel
(CTN)
loaded
with
titanium
dioxide
(TiO2)
and
graphitic
nitride
(g-C3N4)
was
prepared
using
sol-gel,
freeze-drying,
high-temperature
carbonization
methods.
The
formation
of
the
sol-gel
carried
out
through
a
one-pot
method
refining
papermaking
pulp,
tetrabutyl
titanate,
urea
as
raw
materials
hectorite
cross-linking
reinforcing
agent.
Due
to
ability
hectorite,
carbonized
maintained
porous
structure
had
large
specific
surface
area
low
density
(0.0209
g/cm3).
analysis
XRD,
XPS,
Raman
spectra
revealed
that
were
uniformly
distributed
in
CTN,
while
TEM
SEM
observations
demonstrated
three-dimensional
CTN.
photocatalytic
activity
CTN
determined
according
its
degrade
rhodamine
B.
removal
rate
reached
89%
under
visible
light
after
120
min.
In
addition,
still
stable
five
reuse
cycles.
proposed
catalyst
exhibits
excellent
performance
conditions.
ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
7(10), P. 7009 - 7022
Published: Oct. 8, 2024
Cellulose
nanofiber-based
aerogels
(CNFAs)
hold
immense
promise
across
diverse
fields,
but
their
innate
hydrophilicity
and
structural
fragility
in
water
have
constrained
utility
purification.
This
study
introduces
a
green
approach
to
induce
hydrophobicity
into
CNFAs
via
thermally
induced
phase
separation
(TIPS)
of
beeswax,
which
was
adhered
the
nanofiber
by
hydrogen
bonding
hydrophobic–hydrophobic
interactions.
The
fabricated
aerogel
characterized
using
FTIR,
SEM,
XRD,
TGA,
contact
angle,
BET,
compression
test.
resulting
beeswax
cellulose
(BCNFAs)
possess
highly
porous
structure
extremely
low
density,
enabling
self-float
facilitate
practical
applications
recycling.
Due
these
remarkable
characteristics,
BCNFAs
had
excellent
adsorption
capacity
within
10
min
effectively
remove
tetracycline
(TC)
from
with
an
31.6
mg/g.
demonstrated
methodology
TIPS
on
could
be
eco-friendly
scalable
for
fabrication
robust
without
any
toxic
chemicals.
So
far,
this
is
first
report
make
hydrophobic
employing
while
maintaining
porosity
CNFAs,
desirable
effective
TC
tablet
present
context.
work
has
commercial
potential
as
it
focuses
modified
adsorbing
conventional
tablets,
rather
than
exclusively
targeting
pharmaceutical
ingredient
alone.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(13), P. 1141 - 1141
Published: July 2, 2024
A
cellulose-based
carbon
aerogel
(CTN)
loaded
with
titanium
dioxide
(TiO2)
and
graphitic
nitride
(g-C3N4)
was
prepared
using
sol-gel,
freeze-drying,
high-temperature
carbonization
methods.
The
formation
of
the
sol-gel
carried
out
through
a
one-pot
method
refining
papermaking
pulp,
tetrabutyl
titanate,
urea
as
raw
materials
hectorite
cross-linking
reinforcing
agent.
Due
to
ability
hectorite,
carbonized
maintained
porous
structure
had
large
specific
surface
area
low
density
(0.0209
g/cm3).
analysis
XRD,
XPS,
Raman
spectra
revealed
that
were
uniformly
distributed
in
CTN,
while
TEM
SEM
observations
demonstrated
three-dimensional
CTN.
photocatalytic
activity
CTN
determined
according
its
degrade
rhodamine
B.
removal
rate
reached
89%
under
visible
light
after
120
min.
In
addition,
still
stable
five
reuse
cycles.
proposed
catalyst
exhibits
excellent
performance
conditions.
