Beilstein Journal of Nanotechnology,
Год журнала:
2024,
Номер
15, С. 638 - 663
Опубликована: Июнь 5, 2024
Laser
synthesis
and
processing
of
colloids
(LSPC)
is
an
established
method
for
producing
functional
durable
nanomaterials
catalysts
in
virtually
any
liquid
choice.
While
the
redox
reactions
during
laser
water
are
fairly
well
understood,
corresponding
organic
liquids
remain
elusive,
particularly
because
much
greater
complexity
carbon
chemistry.
To
this
end,
article
first
reviews
knowledge
base
chemical
LSPC
then
deduces
identifiable
reaction
pathways
mechanisms.
This
review
also
includes
findings
that
specific
to
variants
ablation
(LAL),
fragmentation
(LFL),
melting
(LML),
reduction
(LRL)
liquids.
A
particular
focus
will
be
set
on
permanent
gases,
hydrocarbons,
solid,
carbonaceous
species
generated,
including
formation
doped,
compounded,
encapsulated
nanoparticles.
It
shown
how
choice
solvent,
method,
parameters
influence
nanostructure
as
amount
chain
length
generated
polyyne
by-products.
Finally,
theoretical
approaches
address
mechanisms
decomposition
shell
highlighted
discussed
regarding
current
challenges
future
perspectives
using
instead
water.
ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(15), С. 18620 - 18629
Опубликована: Апрель 5, 2023
Nanozymes,
which
combine
the
merits
of
both
nanomaterials
and
natural
enzymes,
have
aroused
tremendous
attention
as
new
representatives
artificial
enzyme
mimics.
However,
it
still
remains
to
be
a
great
challenge
rationally
engineer
morphologies
surface
properties
nanostructures
that
lead
desired
enzyme-like
activities.
Here,
we
report
DNA-programming
seed-growth
strategy
mediate
growth
platinum
nanoparticles
(PtNPs)
on
gold
bipyramids
(AuBPs)
for
synthesis
bimetallic
nanozyme.
We
find
preparation
nanozyme
is
in
sequence-dependent
manner,
encoding
polyT
sequence
allows
successful
formation
nanohybrids
with
greatly
enhanced
peroxidase-like
activity.
further
observe
optical
T15-mediated
Au/Pt
(Au/T15/Pt)
change
over
reaction
time,
nanozymatic
activity
can
tuned
by
controlling
experimental
conditions.
As
concept
application,
Au/T15/Pt
nanozymes
are
used
establish
simple,
sensitive,
selective
colorimetric
assay
determination
ascorbic
acid
(AA),
alkaline
phosphatase
(ALP),
inhibitor
sodium
vanadate
(Na3VO4),
demonstrating
excellent
analytical
performance.
This
work
provides
avenue
rational
design
biosensing
applications.
Journal of Energy Chemistry,
Год журнала:
2024,
Номер
92, С. 508 - 520
Опубликована: Янв. 5, 2024
The
development
of
active
yet
stable
catalysts
for
oxygen
reduction
reaction
(ORR)
is
still
a
major
issue
the
extensive
permeation
fuel
cells
into
everyday
technology.
While
nanostructured
Pt
are
to
date
best
available
systems
in
terms
activity,
same
not
true
stability,
particularly
under
operating
conditions.
In
this
work,
PtXY
alloy
nanoparticles
proposed
as
and
durable
electrocatalysts
ORR.
nanoalloys
synthesized
further
optimized
by
laser
ablation
liquid
followed
fragmentation
liquid.
novel
integrated
laser-assisted
methodology
succeeded
producing
PtxY
with
ideal
size
(<
10
nm)
commercial
catalysts,
resulting
remarkably
more
E1/2
=
0.943
V
vs.
RHE,
specific
activity
1095
μA
cm−2
mass
>
1000
A
g−1.
At
time,
embedded
fine
oxide
matrix,
which
allows
greater
stability
catalyst
than
reference,
directly
verified
on
gas
diffusion
electrode.
Beilstein Journal of Nanotechnology,
Год журнала:
2024,
Номер
15, С. 638 - 663
Опубликована: Июнь 5, 2024
Laser
synthesis
and
processing
of
colloids
(LSPC)
is
an
established
method
for
producing
functional
durable
nanomaterials
catalysts
in
virtually
any
liquid
choice.
While
the
redox
reactions
during
laser
water
are
fairly
well
understood,
corresponding
organic
liquids
remain
elusive,
particularly
because
much
greater
complexity
carbon
chemistry.
To
this
end,
article
first
reviews
knowledge
base
chemical
LSPC
then
deduces
identifiable
reaction
pathways
mechanisms.
This
review
also
includes
findings
that
specific
to
variants
ablation
(LAL),
fragmentation
(LFL),
melting
(LML),
reduction
(LRL)
liquids.
A
particular
focus
will
be
set
on
permanent
gases,
hydrocarbons,
solid,
carbonaceous
species
generated,
including
formation
doped,
compounded,
encapsulated
nanoparticles.
It
shown
how
choice
solvent,
method,
parameters
influence
nanostructure
as
amount
chain
length
generated
polyyne
by-products.
Finally,
theoretical
approaches
address
mechanisms
decomposition
shell
highlighted
discussed
regarding
current
challenges
future
perspectives
using
instead
water.
