ACS Sensors,
Год журнала:
2024,
Номер
9(2), С. 849 - 859
Опубликована: Янв. 25, 2024
Noble
metal
nanoparticle
(NMP)-based
composite
substrates
have
garnered
significant
attention
as
a
highly
promising
technique
for
surface-enhanced
Raman
scattering
(SERS)
in
diverse
scientific
disciplines
because
their
remarkable
ability
to
amplify
and
functionalize
signals
has
positioned
them
valuable
tools
molecular
detection.
However,
optimizing
the
size
distribution
of
NMPs
not
received
sufficient
emphasis
challenges
associated
with
precise
control
deposition
modulation
reducing
rates
during
growth.
In
this
research,
we
achieved
optimized
spatial
patterns
AgNWs
on
electrospun
poly(vinylidene
fluoride)
(PVDF)
nanofibers
by
utilizing
polydopamine
(PDA)
layer
mild
controllable
reduction
mediator,
which
density
could
be
relatively
precisely
manipulated,
achieving
dense
effective
"hot
spots".
On
other
hand,
harnessing
inherent
piezoelectric
properties
PVDF
further
boosted
LSPR
effect
SERS
test,
forming
flexible
dual-enhancing
substrate
excellent
sensitivity.
addition
addressing
structural
aspects,
exploiting
synergistic
systems
capable
transferring
external
energy
or
forces
enhance
performances
presents
compelling
avenue
broaden
practical
applications
SERS.
The
dual-enhanced
an
exceptional
enhancement
factor
(EF)
1.05
×
108
low
detection
limit
(LOD)
10–10
M
test.
This
study
focuses
integrating
polymer
develop
sensitivity
practicality.
findings
provide
insights
into
controllably
depositing
fibers
hold
implications
development
sensitive
across
various
applications.
Advanced Functional Materials,
Год журнала:
2023,
Номер
34(1)
Опубликована: Сен. 21, 2023
Abstract
Adsorption‐photocatalysis
technology
based
on
covalent
organic
frameworks
(COFs)
offers
an
alternative
method
for
advancing
the
field
of
uranium
extraction
from
seawater.
When
determining
photocatalytic
activity
COFs,
binding
energy
excitons
(
E
b
)
functions
is
decisive
factor.
Nevertheless,
majority
reported
COFs
have
a
large
,
which
seriously
restricts
their
application
in
photocatalysis.
Using
practical
π‐skeleton
engineering
strategy,
current
study
synthesizes
three
donor‐acceptor
olefin‐linked
containing
amidoxime
units
effort
to
minimize
.
Theoretical
and
experimental
results
reveal
that
construction
planar
continuous
π
‐electron
delocalization
channels
can
significantly
reduce
promote
separation
electron‐hole
pairs,
thereby
enhancing
activities.
Moreover,
TTh‐COF‐AO
with
‐skeleton
donor
reduced,
exhibits
substantially
smaller
(38.4
meV).
Under
visible
light
irradiation,
high
photo‐enhanced
capacity
10.24
mg
g
−1
achieved
natural
seawater
without
addition
sacrificial
reagents,
superior
been
date.
This
study,
therefore,
paves
way
development
tailored,
efficient
photocatalysts
Materials Chemistry Frontiers,
Год журнала:
2023,
Номер
7(22), С. 5519 - 5544
Опубликована: Янв. 1, 2023
Fabrication
of
MXene-based
nanocomposites.
Photocatalytic
properties
membranes
for
the
separation
toxic
pollutants,
such
as
antibiotic
drugs,
dyes,
etc
.
nanocomposites
absorbents
heavy
metal
removal.
Hybrid Advances,
Год журнала:
2023,
Номер
4, С. 100091 - 100091
Опубликована: Окт. 2, 2023
Pollution
is
a
significant
problem
in
both
industrialized
and
developing
countries,
as
well
some
developed
countries.
Heavy
metal
pollution
poses
crucial
concern
for
communities
due
to
its
detrimental
impact
on
human
health
the
long-term
well-being
of
planet.
metals,
such
cadmium,
chromium,
arsenic,
lead,
mercury,
do
not
degrade
can
enter
food
chain,
leading
risks.
Therefore,
it
essential
monitor
take
necessary
steps
eliminate
heavy
residues
that
may
be
present
food,
beverages,
environment.
Although
exact
role
nanomaterials
cleanup
still
unclear,
nanotechnology
holds
promise
future
solution.
In
first
part
this
comprehensive
review,
brief
overview
nanoremediation
provided.
The
subsequent
sections
delve
into
various
their
potential
applications
different
scenarios.
Following
that,
critical
analysis
conducted
nano-remediation
methods,
including
oxidation,
adsorption,
chemical
precipitation,
filtration,
ion
exchange,
coagulation-flocculation,
photo-catalysis.
Lastly,
further
suggestions
are
put
forward
regarding
utilization
more
effective
enduring
cleanup,
particularly
eliminating
metals.
