Solar-driven
interfacial
evaporation
technologies
use
solar
energy
to
heat
materials
that
drive
water
evaporation.
These
are
versatile
and
do
not
require
electricity,
which
enables
their
potential
application
across
the
food,
nexus.
In
this
Review,
we
assess
of
solar-driven
in
clean-water
production,
wastewater
treatment,
resource
recovery.
Interfacial
can
produce
up
5.3
l
m–2
h−1
drinking
using
sunlight
as
source.
Systems
designed
for
food
production
coastal
regions
desalinate
irrigate
crops
or
wash
contaminated
soils.
Technologies
being
developed
simultaneously
both
clean
through
have
reached
204
W
electricity
2.5
h–1
separate
systems.
Other
approaches
combinations
could
potentially
full
spectrum
generate
multiple
products
(such
water,
heating
cooling,
and/or
fuels).
future,
aid
provision
low-resource
rural
settings
lack
reliable
access
these
essentials,
but
systems
must
first
undergo
rigorous,
scaled-up
field
testing
understand
performance,
stability
competitiveness.
This
Review
discusses
manage
wastewater,
recover
resources
energy.
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(33)
Опубликована: Июнь 8, 2022
Abstract
Solar‐driven
interfacial
evaporation
materials
for
seawater
desalination
and
wastewater
treatment
have
attracted
extensive
research
interest
in
recent
years.
Nevertheless,
salt
accumulation,
costly
materials,
complex
preparation
processes
greatly
hinder
the
practical
application
of
solar
steam
generation.
Herein,
with
low‐cost
such
as
carbon
black
(CB),
polystyrene‐b‐polybutadiene‐b‐polystyrene
(SBS),
commercial
cotton
fabric,
CB@SBS/cotton
fabric
Janus
evaporator
is
fabricated
via
a
breath
figure
template
(BFT)
method
scalable,
long‐term,
stable
solar‐driven
desalination.
The
BFT
simple
yet
efficient
self‐assembly
that
endows
hydrophobic
surface
porous
structure
high
light
absorption
(≈95.5%)
escape.
As
result,
can
achieve
water
rate
1.37
kg
m
–2
h
–1
conversion
efficiency
91.3%
even
3.5
wt%
NaCl
solution,
well
stably
cycling
over
15
times
without
accumulation
(each
cycle:
8
illumination
16
rest).
work
demonstrates
an
effective
strategy
achieving
high‐performance
generation
superior
rejection
capability,
which
be
potentially
utilized
desalination,
sterilization,
disinfection.
ChemPhysMater,
Год журнала:
2022,
Номер
1(4), С. 294 - 309
Опубликована: Апрель 29, 2022
Zwitterionic
polymers
have
attracted
research
attention
in
recent
years
owing
to
their
unique
molecular
structures.
In
the
same
repeat
unit,
positive
and
negative
charges
are
simultaneously
located
on
a
pair
of
cationic
anionic
groups;
therefore,
zwitterionic
large
dipole
moment
numerous
charged
groups.
Although
chain
polymer
can
be
maintained
an
electrically
neutral
state
overall,
coexistence
oppositely
groups
confers
extremely
high
polarity
excellent
hydrophilicity
polymer.
At
time,
electricality
further
regulated
by
environmental
pH
salt
ions,
which
greatly
broadens
scope
applications
different
fields.
This
review
introduces
various
structures
analyzes
reasons
why
exhibit
responsiveness,
anti-polyelectrolyte
effects,
superior
electrical
conductivity.
The
application
fields
also
summarized
generalizing
status
polymers,
including
antifouling
coatings,
drug
delivery,
wastewater
treatment,
sensors,
etc.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(43)
Опубликована: Июнь 21, 2023
Abstract
Polyzwitterionic
hydrogel
is
an
emerging
material
for
solar‐driven
water
evaporation
in
saline
environment
due
to
its
special
anti‐polyelectrolyte
effect,
which
a
promising
approach
co‐generation
of
freshwater
and
electricity.
However,
the
molecular
impact
on
effect
remains
unclear,
let
alone
optimize
zwitterionic
structure
promote
efficiency
high‐salinity
brine.
Herein,
molecularly
engineered
developed
incorporated
phenyl‐methylene‐imidazole
motif
greatly
enhances
salt
binding
ability
strengthens
leading
boosted
hydration,
improved
tolerance,
ultra‐low
enthalpy
(almost
half
traditional
gel),
durable
anti‐microbial
Besides,
gradient
solar‐thermal
network
penetrated
transport
channel
heat
confinement.
The
gel
exhibits
excellent
rate
3.17
kg
m
−2
h
−1
seawater,
1.6
times
that
such
high
could
be
maintained
during
8
continuous
desalination,
demonstrating
outstanding
tolerance.
flux
ion
stream
can
generate
considerable
voltage
(321.3
mV)
simultaneously.
This
work
will
bring
new
insights
understanding
at
level
materials
design
evaporation.
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Сен. 22, 2023
Interfacial
solar
evaporation
holds
great
promise
to
address
the
freshwater
shortage.
However,
most
interfacial
evaporators
are
always
filled
with
water
throughout
process,
thus
bringing
unavoidable
heat
loss.
Herein,
we
propose
a
novel
structure
based
on
micro-nano
film,
which
demonstrates
significantly
improved
performance,
as
experimentally
verified
by
polypyrrole-
and
polydopamine-coated
polydimethylsiloxane
sponge.
The
2D
evaporator
as-prepared
sponge
realizes
an
enhanced
rate
of
2.18
kg
m-2
h-1
under
1
sun
fine-tuning
film.
Then,
homemade
device
condensation
function
is
engineered
for
outdoor
clean
production.
Throughout
continuous
test
40
days,
this
high
production
(WPR)
15.9-19.4
kW-1
m-2.
Based
outcomes,
further
establish
multi-objective
model
assess
global
WPR.
It
predicted
that
m2
can
produce
at
7.8
per
day,
could
meet
daily
drinking
needs
3
people.
Finally,
technology
greatly
alleviate
current
energy
crisis
through
large-scale
applications.
Advanced Functional Materials,
Год журнала:
2022,
Номер
33(6)
Опубликована: Ноя. 29, 2022
Abstract
Passive
solar‐driven
interfacial
evaporation
is
an
environmental‐friendly
approach
for
seawater
desalination.
However,
non‐volatile
salts
usually
precipitate
on
the
evaporator
surface
during
evaporation,
significantly
reducing
rate
and
blocking
evaporator.
Although
several
strategies
have
been
proposed
this
issue,
they
are
only
effective
under
low
salinity
conditions
natural
solar
irradiation.
In
study,
a
scalable
proposed,
which
expediently
fabricated
by
carbonizing
commercially
available
coconut
fiber
cloth,
through
designing
optimizing
asymmetric
bi‐layer
structure
with
trapezoidal
wide
leg‐strengthened
water
supply
pathway.
Both
experimental
simulation
results
indicate
that
presents
ultra‐high
salt
tolerance,
keeps
running
steadily
consecutive
14
days
high
of
wt%
NaCl
irradiation
4
suns.
This
excellent
resistance
arises
from
diode‐like
ion
migration
introduced
its
structure.
Meanwhile,
remarkable
7.28
kg
m
−2
h
−1
also
achieved
harsh
condition,
resulting
absorbance
reduced
enthalpy
Such
confirmed
as
simple,
low‐cost,
scalable,
efficient,
long‐term
stable
device
producing
freshwater
desalination
conditions.
