Comparison of Hydrogen Bonded Organic Framework with Reduced Graphene Oxide-Pd Based Nanocatalyst: Which One Is More Efficient for Entrapment of Nitrophenol Pollutants?
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
In
this
study,
a
Pd
nanoparticles@hydrogen-bonded
organic
framework
(Pd
NPs@HOF)
thin
film
was
fabricated
at
the
toluene-water
interface.
The
HOF
formed
through
interaction
of
trimesic
acid
(TMA)
and
melamine
(Mel)
in
water
phase,
while
Pd(0)
produced
from
reduction
[PdCl2(cod)]
phase.
as-synthesized
NPs@HOF
demonstrated
to
be
an
effective
catalyst
for
selective
p-nitrophenol
o-nitrophenol
p-aminophenol
o-aminophenol.
porous
network
introduced
strong
active
sites
between
Mel,
TMA,
Pd(0).
Kinetic
studies
showed
that
exhibited
enhanced
rate
comparison
with
Pd@reduced-graphene
oxide
(r-GO)
rates
were
1.7
times
faster
1.5
or
even
10
than
some
Pd-based
catalysts,
maximum
conversion
97.1%
which
attributed
higher
porosity
greater
surface-to-volume
ratio
material.
Furthermore,
π-π
stacking
interactions
enhance
catalytic
activity
by
increasing
sites,
stabilizing
NPs
trapping
nitrophenols,
facilitating
electron
transfer,
providing
synergistic
effect.
Also,
contributions
hydrogen
bonding,
van
der
Waals
forces,
electrostatic
interactions,
π-σ
noncovalent
are
reasons
better
performance
Pd/r-GO
reduced
functional
groups.
Language: Английский
Stabilizing Bicontinuous Particle-Stabilized Emulsions formed via Solvent Transfer-Induced Phase Separation
Meyer T. Alting,
No information about this author
Martin F. Haase
No information about this author
Soft Matter,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Bijels
are
non-equilibrium
soft
materials
with
potential
applications
in
catalysis,
membrane
separations,
and
energy
storage.
In
this
study,
we
demonstrate
the
long-term
stabilization
of
STrIPS-bijels,
maintaining
their
structure
for
several
weeks.
Language: Английский
Extrusion‐Based Printing of Nanostructured Fatty Acid Gels Incorporated in Hydrogels
Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 19, 2025
ABSTRACT
Soft
materials
with
unique
nanostructures
such
as
lamellar,
hexagonal,
and
cubic
morphologies
can
replicate
complex
structures
that
have
potential
in
various
fields,
including
biomedical
industrial
applications.
However,
a
key
challenge
advancing
the
broader
applications
of
3D
printing
for
these
nanostructured
soft
is
insufficient
mechanical
properties
hinder
their
printability
compromise
structural
stability
final
product.
In
this
study,
suitability
fatty
acid‐based
lamellar
gel
evaluated
direct
extrusion‐based
printing.
The
varying
water
content
integrated
photocurable
hydrogel
to
preserve
shape
prints.
Complex
2D
design
patterns
are
used
assess
extrusion
behavior,
stability,
print
precision
under
pressures.
Small‐angle
X‐ray
Scattering
(SAXS)
measurements
reveal
formation
confirm
retention
after
photocuring
gels.
Rheological
analysis
confirms
gels
exhibit
suitable
printing,
shear‐thinning
behavior.
Additionally,
tensile
testing
conducted
evaluate
across
cured
samples.
This
study
underscores
robust
versatile
platform,
facilitating
development
engineered
Language: Английский