Solar RRL,
Journal Year:
2023,
Volume and Issue:
7(9)
Published: Feb. 23, 2023
Solar‐driven
evaporation
using
hydrogels
and
photothermal
materials
is
a
promising
freshwater
harvesting
technology.
Clean
water
generally
collected
through
subsequent
condensation,
which
requires
high
energy
input
due
to
the
inherent
vaporization
enthalpy
of
water.
Therefore,
it
great
challenge
harvest
fresh
efficiently
under
natural
irradiation.
Herein,
temperature‐sensitive
polyacrylamide‐poly(
N
‐isopropylacrylamide)
(A‐PNIPAm)
gel
designed
pursue
collection
rate
low
conditions,
where
facile
reversible
hydrophilic/hydrophobic
transition
in
gels
enables
quick
acquisition
liquid
A
multifunctional
hydrogel
(ADS‐PNIPAm)
prepared
polydopamine
sodium
alginate
with
excellent
adsorption/filtration
properties,
can
remove
pollutants
generate
rapidly.
Consequently,
ADS‐PNIPAm
reaches
up
5.89
9.8
kg
m
−2
h
−1
0.6
1
sun
irradiation,
respectively,
are
superior
previously
reported
values.
Furthermore,
displays
an
effect
on
purifying
sewage,
such
as
oils,
algae,
dyes
pollutants.
material
for
rapid
generation
solar
irradiation
only,
provides
new
avenue
alleviate
source
scarcity.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(41)
Published: Aug. 21, 2022
Abstract
Solar‐driven
evaporation
is
a
promising
strategy
to
relieve
fresh
water
stress
in
the
world.
For
an
evaporator,
it
necessary
be
equiped
with
novel
photothermal
conversion
materials
and
regulate
heat
energy
loss
solar‐driven
generation
process
for
efficiency.
Herein,
eutectic
gallium‐indium
(EGaIn)/polyaniline
(PANI)
complex
(EP)
cellulose
nanocrystals
(CNCs)
are
explored
as
light
absorber
broadband
absorbing
dispersant
particles
uniformity.
Based
on
Bénard–Marangoni
effect,
dual‐network
poly(vinyl
alcohol)/poly(acrylamide)
(PM)
hydrogel
evaporator
water/ethylene
glycol
solvent
transfer.
Specifically,
CNCs
EP
incorporated,
endowed
excellent
mechanical
properties,
performance,
electrical
characteristics.
Surface
temperature
of
can
reach
≈38.7
°C
under
1
sun
illumination
h.
combination
absorption
its
rate
higher
than
1.50
kg
m
–2
h
–1
.
The
engineered
synergy
also
gives
hydrogels
multiple
sensory
capabilities,
skin‐like
function,
power
generation.
This
work
demonstrates
EGaIn‐based
new
approach
transfer
highly
evaporation,
focus
integration
multifunctional
solar
systems.
ACS Applied Nano Materials,
Journal Year:
2022,
Volume and Issue:
5(4), P. 5868 - 5881
Published: April 6, 2022
Fluorescent
carbon
quantum
dots
hold
great
promise
for
the
determination
of
nitro-explosive
2,4,6-trinitrotoluene
(TNT),
a
potential
environmental
pollutant.
Here,
nitrogen-doped
dot
(N-CQD)-based
fluorometric
probe
with
high
yield
(73.10%)
was
developed
selective
TNT.
N-CQDs
were
synthesized
by
reflux
method
using
citric
acid
(CA)
as
precursor
and
ethylenediamine
(EDA)
diaminocyclohexane
(DACH)
nitrogen
precursors.
N-CQDs,
excitation
emission
wavelengths
360
460
nm,
respectively,
highly
toward
TNT
among
different
types
explosives
[i.e.,
tetryl,
2,4,6-trinitrophenol
(TNP),
2,4-dinitrotoluene
(DNT),
4-amino-2,6-dinitrotoluene
(ADNT),
HMX,
1,3,5-trinitroperhydro-1,3,5-triazine
(RDX),
pentaerythritol
tetranitrate
(PETN)].
As
result
dominant
FRET
mechanism
secondarily
assisted
ground-state
donor–acceptor
complexation,
fluorescence
showed
excellent
quenching
in
presence
The
structure
elucidated
X-ray
photoelectron
spectroscopy,
diffraction,
IR,
Raman,
high-resolution
transmission
electron
microscopy,
dynamic
light
scattering
techniques,
their
interaction
resolved
Gaussian
(i.e.,
highest
occupied
molecular
orbital–lowest
unoccupied
orbital
energy
levels)
program.
limit
detection
quantification
aqueous
media
30.0
90.0
nM,
while
Benesi–Hildebrand
binding
constant
2.22
×
103.
In
common
soil
ions,
explosive
mixtures,
camouflage
materials,
could
determine
recoveries
between
94.9
104.9%.
addition,
sandy
specimens
artificially
contaminated
real
samples,
extracted
from
these
samples
determined
both
reference
liquid
chromatography
tandem
mass
spectrometry
to
validate
proposed
method.
To
design
field
two
support
materials
based
on
thin
layer
chromatography-paper
hydrogel
(N-CQD-gel)
developed,
visually
at
μM
level
materials.
make
potentially
useful
sensor
applications
sensitive
sensing
ability.
Small,
Journal Year:
2023,
Volume and Issue:
19(17)
Published: Jan. 29, 2023
Hydrogels
have
extremely
high
moisture
content,
which
makes
it
very
soft
and
excellently
biocompatible.
They
become
an
important
material
a
wide
range
of
applications
in
various
fields
such
as
biomedicine,
bionic
smart
material,
electrochemistry.
Carbon
dot
(CD)-based
hydrogels
are
based
on
carbon
dots
(CDs)
auxiliary
substances,
forming
gel
with
comprehensive
properties
individual
components.
CDs
embedding
could
not
only
solve
their
aggregation-caused
quenching
(ACQ)
effect,
but
also
manipulate
the
even
bring
some
novel
properties,
achieving
win-win
situation.
In
this
review,
preparation
methods,
formation
mechanism,
CD-based
hydrogels,
sensing,
adsorption,
energy
storage,
catalysis
-are
summarized.
Finally,
brief
discussion
future
research
directions
will
be
given.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(6)
Published: Feb. 1, 2025
Abstract
The
global
shortage
of
fresh
water
is
a
critical
issue,
especially
in
regions
with
limited
rainfall.
Developing
reliable
and
wastewater
treatment
technologies
urgent.
Among
the
available
methods,
adsorption
stands
out
as
highly
effective,
straightforward,
cost‐efficient
approach.
It
avoids
use
additional
chemicals
reduces
risk
contaminating
source
undesirable
by‐products.
Chitosan
(CS)‐based
hydrogels
have
gained
attention
for
their
excellent
capacities
pollutants
water.
These
materials
are
also
known
bioavailability,
biocompatibility,
biodegradability,
cost‐effectiveness,
environmental
friendliness,
making
them
promising
candidates
treatment.
This
comprehensive
review
explores
recent
advancements
CS‐based
various
applications,
including
pollutant
removal,
oil‐water
separation,
seawater
desalination,
atmospheric
condensation.
highlights
benefits
this
material
treatment,
providing
broader
understanding
potential
research
community.
focuses
on
synthesis
modification
techniques
these
hydrogels,
such
cross‐linking,
grafting,
ion
imprinting,
which
significantly
enhance
performance
mechanical
stability.
Additionally,
challenges
faced
by
practical
applications
discussed,
along
solutions.
paper
concludes
forecasting
future
directions
field,
offering
valuable
insights
researchers.
Overall,
provides
overview
current
state
art
into
effective
utilization
emphasizing
to
address
pollution
challenges.
