Chemistry of Materials,
Journal Year:
2022,
Volume and Issue:
34(23), P. 10399 - 10408
Published: Nov. 21, 2022
Solar
steam
generation
is
a
robust
and
environmentally
friendly
way
to
obtain
fresh
water
alleviate
the
shortage
problem.
Although
wide
variety
of
devices
have
been
well
documented,
most
fabricated
materials
are
often
only
suitable
for
one
device
generally
difficult
be
removed,
resulting
in
disposable
device.
This
may
raise
serious
concerns
about
total
cost
issues,
particularly
those
with
complex
well-tailored
microstructures.
Thus,
it
urgent
develop
dynamic
photothermal
coating
that
can
easily
removed
flexibly
switched
between
different
installations
stable
conversion
ability.
In
this
work,
we
report
degradable
recyclable
metal-phenolic
network-based
assembled
from
two
kinds
naturally
occurring
building
blocks
[gallic
acid
(GA)
Fe(III)].
Hydrophilic
poly(vinylidene
fluoride)
(PVDF)
was
selected
as
substrate,
GA@Fe(III)@PVDF
membrane,
which
achieve
high
evaporation
rate
1.539
kg
m–2
h–1
superb
efficiency
90.2%
under
1
sun
illumination.
Impressively,
GA@Fe(III)
degraded
acidic
condition
rapidly,
recovered
PVDF
recoated
by
networks
again.
The
performance
remain
over
150
degrading
recoating
cycles.
We
believed
work
could
offer
opportunities
fabricate
low-cost,
sustainable,
coatings
solar
generation.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 26, 2025
The
use
of
polyphenol-based
particles
as
functional
materials
has
demonstrated
great
promise
for
applications
ranging
from
targeted
therapeutics
to
environmental
remediation
due
their
biocompatibility,
potent
reactivity,
and
modular
chemistry.
Despite
these
rich
benefits,
polyphenols
remain
difficult
formulate
with
susceptibility
spontaneous
aggregation
in
aqueous
environments.
In
this
study,
we
explore
conditions
that
leverage
a
feature
seed
the
production
monodispersed
(polydispersity
index
<0.1)
nanoparticles
controlled
diameters
<200
nm.
To
accomplish
goal,
evaluated
assembly
dynamics
heterogeneous
population
green
tea
extracts
water
investigated
interplay
between
temperature,
time,
surface
confinement
both
fixed
vessels
emulsion
droplets
on
particle
size
uniformity.
cases,
homogeneous
are
created,
highlighting
feasible
pathway
control
scale
polyphenolic
nanostructures
future
applications.
Polymers,
Journal Year:
2022,
Volume and Issue:
14(24), P. 5417 - 5417
Published: Dec. 11, 2022
The
occurrence
of
fluoride
contamination
in
drinking
water
has
gained
substantial
concern
owing
to
its
serious
threat
human
health.
Traditional
adsorbents
have
shortcomings
such
as
low
adsorption
capacity
and
poor
selectivity,
so
it
is
urgent
develop
new
with
high
capacity,
renewable
no
secondary
pollution.
In
this
work,
magnetic
electrospun
La-Mn-Fe
tri-metal
oxide
nanofibers
(LMF
NFs)
for
recovery
were
developed
via
electrospinning
heat
treatment,
defluoridation
property
was
evaluated
batch
trials.
Modern
analytical
tools
(SEM,
BET,
XRD,
FTIR)
adopted
characterize
the
properties
optimized
adsorbent,
i.e.,
LMF11
NFs
a
La:Mn
molar
ratio
1:1.
surface
area
calculated
BET
method
pHpzc
assessed
using
pH
drift
55.81
m2
g-1
6.47,
respectively.
results
indicated
that
amount
highly
dependent
on
solution,
reached
highest
value
at
=
3.
kinetic
behavior
dominated
by
PSO
model
fitted
determination
coefficients
0.9999.
Compared
other
three
isotherm
models,
Langmuir
described
characteristics
well
larger
correlation
0.9997,
0.9990,
0.9987
0.9976
15
°C,
25
35
°C
45
exhibited
superior
monolayer
capacities
173.30-199.60
mg
F-/g
3
15-45
according
model.
A
thermodynamic
study
proved
spontaneous,
endothermic
along
entropy
increase
process.
addition,
still
showed
performance
after
reused
cycles.
These
findings
unveil
synthesized
adsorbent
good
remediation
from
wastewater
cost,
easy
operation.
Chemistry of Materials,
Journal Year:
2022,
Volume and Issue:
34(23), P. 10399 - 10408
Published: Nov. 21, 2022
Solar
steam
generation
is
a
robust
and
environmentally
friendly
way
to
obtain
fresh
water
alleviate
the
shortage
problem.
Although
wide
variety
of
devices
have
been
well
documented,
most
fabricated
materials
are
often
only
suitable
for
one
device
generally
difficult
be
removed,
resulting
in
disposable
device.
This
may
raise
serious
concerns
about
total
cost
issues,
particularly
those
with
complex
well-tailored
microstructures.
Thus,
it
urgent
develop
dynamic
photothermal
coating
that
can
easily
removed
flexibly
switched
between
different
installations
stable
conversion
ability.
In
this
work,
we
report
degradable
recyclable
metal-phenolic
network-based
assembled
from
two
kinds
naturally
occurring
building
blocks
[gallic
acid
(GA)
Fe(III)].
Hydrophilic
poly(vinylidene
fluoride)
(PVDF)
was
selected
as
substrate,
GA@Fe(III)@PVDF
membrane,
which
achieve
high
evaporation
rate
1.539
kg
m–2
h–1
superb
efficiency
90.2%
under
1
sun
illumination.
Impressively,
GA@Fe(III)
degraded
acidic
condition
rapidly,
recovered
PVDF
recoated
by
networks
again.
The
performance
remain
over
150
degrading
recoating
cycles.
We
believed
work
could
offer
opportunities
fabricate
low-cost,
sustainable,
coatings
solar
generation.
