Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(50)
Published: Aug. 9, 2023
Abstract
The
tunable
wettability
by
pH‐stimulus
has
great
potential
in
liquid
adhesion,
transport,
collection,
and
separation
due
to
its
rapid
response
wide
control
range.
However,
achieving
pH‐regulated
on
the
selected
region
of
material
without
acid–base
contamination
presents
a
distinct
challenge
for
existing
methods.
Here,
scalable
conductive
network
membrane
is
prepared
with
switchable
regulating
interfacial
pH.
generation
diffusion
pH
are
regulated
through
confinement
electrolysis
process,
which
adapted
both
spatial
arrangements
electrical
potential.
By
(>13),
can
change
from
superhydrophobicity
(Water
contact
angle
=
150°)
superhydrophilicity/underwater
superoleophobicity
0°)
additional
reagent
30
s
under
15
V.
Based
precise
controllability,
efficiently
realize
on‐demand
oil–water
(>99%)
situ
extraction‐back
extraction.
programable
free
contamination,
may
have
broad
practical
application
intelligent
fluid‐related
systems.
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(11)
Published: March 4, 2024
Water-energy
sustainability
will
depend
upon
the
rapid
development
of
advanced
pressure-driven
separation
membranes.
Although
energy-efficient,
water-treatment
membranes
are
constrained
by
ubiquitous
fouling,
which
may
be
alleviated
engineering
self-cleaning
membrane
interfaces.
In
this
study,
a
metal-polyphenol
network
was
designed
to
direct
armorization
catalytic
nanofilms
(ca.
18
nm)
on
inert
polymeric
The
chelation-directed
mineralized
coating
exhibits
high
polarity,
superhydrophilicity,
and
ultralow
adhesion
crude
oil,
enabling
cyclable
oil-in-water
emulsion
separation.
in-place
flux
recovery
rate
exceeded
99.9%,
alleviating
need
for
traditional
ex
situ
cleaning.
nanoarmored
exhibited
48-fold
6.8-fold
figures
merit
regeneration
compared
control
simple
hydraulic
cleaning,
respectively.
Precursor
interaction
mechanisms
were
identified
density
functional
theory
calculations.
Chelation-directed
offers
promise
sustainable
applications
in
catalysis,
biomedicine,
environmental
remediation,
beyond.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(20), P. 10012 - 10043
Published: Jan. 1, 2024
Bioinspired
superwetting
oil–water
separation
strategy
is
summarized
from
confined-space
to
open-space,
static
dynamic
devices.
Strategies
are
evaluated
and
compared
current
challenges
feasible
solutions
emphasized.
