Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
Abstract
The
feedstock
in
laser
beam
powder
bed
fusion
of
plastics
(PBF‐LB/P)
is
typically
limited
to
a
few
materials
with
strict
flowability
requirements
and
low
recycling
rates,
compromising
its
economic
efficiency
sustainability.
Polymer
nanoadditivation
gains
attraction
tailor
their
physiochemical
properties
by
incorporating
nanoadditives.
Herein,
new
approach
introduced
functionalize
polymer
part
surfaces
via
electrophotographic
application
(EPA).
Polyamide
12
(PA
12)
microparticles
decorated
laser‐synthesized
silver
nanoparticles
(Ag
NPs)
are
printed
as
thin
layers
on
bulk
PA
parts.
coating
provides
bactericidal
functionality
the
reduced
nanoadditive
employment.
Indeed,
only
two
Ag‐PA
accounting
for
140
µm
thick
inhibit
S.
aureus
E.
coli
bacteria
growth.
As
result
thickness
Ag
NP
loading
0.1
wt.%,
mechanical
calorimetric
remain
unaffected.
Owing
versatility,
proposed
envisioned
facilitate
selective
surface
functionalization
toward
graded
printing
at
costs
waste
generation.
Physical Chemistry Chemical Physics,
Journal Year:
2023,
Volume and Issue:
25(29), P. 19380 - 19408
Published: Jan. 1, 2023
This
article
explores
upscaling
productivity
of
laser-generated
nanoparticles
in
liquid
and
its
automatization
for
industrial
applications,
considering
laser
chamber
design,
scanner
technology,
target
properties.
Carbon Energy,
Journal Year:
2024,
Volume and Issue:
6(5)
Published: Jan. 5, 2024
Abstract
We
investigated
the
role
of
metal
atomization
and
solvent
decomposition
into
reductive
species
carbon
clusters
in
phase
formation
transition‐metal
carbides
(TMCs;
namely,
Co
3
C,
Fe
TiC,
MoC)
by
pulsed
laser
ablation
Co,
Fe,
Ti,
Mo
metals
acetone.
The
interaction
between
s
–
p
‐orbitals
d‐orbitals
causes
a
redistribution
valence
structure
through
charge
transfer,
leading
to
surface
defects
as
observed
X‐ray
photoelectron
spectroscopy.
These
influence
evolved
TMCs,
making
them
effective
for
hydrogen
oxygen
evolution
reactions
(HER
OER)
an
alkaline
medium.
C
with
more
affinity
promoted
CoO(OH)
intermediates,
electrochemical
oxidation
O
4
was
captured
via
situ/operando
Raman
probes,
increasing
number
active
sites
OER
activity.
MoC
d‐vacancies
exhibits
strong
binding,
promoting
HER
kinetics,
whereas
TiC
defect
states
trap
carriers
may
hinder
both
activities.
results
show
that
assembled
membrane‐less
electrolyzer
C∥Co
MoC∥MoC
electrodes
requires
~2.01
1.99
V,
respectively,
deliver
10
mA
cm
−
2
excellent
structural
stability.
In
addition,
ascertained
synthesis
mechanism
unit‐cell
packing
relations
will
open
up
sustainable
pathways
obtaining
highly
stable
electrocatalysts
electrolyzers.
Small Structures,
Journal Year:
2023,
Volume and Issue:
4(12)
Published: Sept. 3, 2023
Electrocatalytic
urea
oxidation
reaction
(UOR)
has
emerged
as
a
promising
alternative
to
the
anodic
oxygen
evolution
(OER)
in
water
electrolysis.
However,
UOR
faces
challenges
like
slow
kinetics,
high
energy
barriers,
and
complex
mechanism,
necessitating
development
of
efficient
electrocatalysts.
Herein,
rapid
method
is
proposed
for
synthesizing
Mo‐doped
Ni/NiO
(Ni/MNO)
nanocomposite
highly
effective
electrocatalyst.
Mo
doping
oxidizes
Ni
2+
3+
,
creating
abundant
active
sites
UOR.
The
Ni/MNO
catalyst
exhibits
remarkable
activity
both
OER
due
doping,
structural
modulation,
increased
sites,
presence
ions.
Optimized
Ni/MNO‐10
shows
low
overpotential
280
mV
working
potential
1.37
V
versus
reversible
hydrogen
electrode
at
10
mA
cm
−2
with
exceptional
stability
over
12
h
continuous
Notably,
urea‐assisted
splitting
requires
only
1.45
significantly
less
than
overall
voltage
(1.65
V),
indicating
energy‐efficient
production.
Moreover,
outstanding
long‐term
stability.
This
work
presents
approach
cost‐effective
electrocatalysts
clean
production
wastewater
treatment.
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
We
introduce
high-entropy
single-atom
catalysts
(HESACs)
from
FeRuPtNiCoPd
HEA
on
GO
via
pulsed
laser
irradiation
in
liquids.
Synergistic
interactions
and
rapid
Fe
2+
photoreduction
enhance
active
sites,
achieving
superior
overall
water
splitting.
