Advancing Adsorption and Separation with Modified SBA-15: A Comprehensive Review and Future Perspectives
Molecules,
Год журнала:
2024,
Номер
29(15), С. 3543 - 3543
Опубликована: Июль 27, 2024
Mesoporous
silica
SBA-15
has
emerged
as
a
promising
adsorbent
and
separation
material
due
to
its
unique
structural
physicochemical
properties.
To
further
enhance
performance,
various
surface
modification
strategies,
including
metal
oxide
noble
incorporation
for
improved
catalytic
activity
stability,
organic
functionalization
with
amino
thiol
groups
enhanced
adsorption
capacity
selectivity,
inorganic-organic
composite
synergistic
effects,
have
been
extensively
explored.
This
review
provides
comprehensive
overview
of
the
recent
advances
in
applications.
The
synthesis
methods,
properties,
advantages
are
discussed,
followed
by
detailed
analysis
different
strategies
their
structure-performance
relationships.
performance
functionalized
materials
removal
pollutants,
heavy
ions,
gases,
biomolecules,
well
chromatographic
solid-liquid
separation,
is
critically
evaluated.
Despite
significant
progress,
challenges
opportunities
future
research
identified,
development
low-cost
sustainable
routes,
rational
design
SBA-15-based
tailored
integration
into
practical
aims
guide
efforts
developing
advanced
environmental
industrial
applications,
an
emphasis
on
green
scalable
strategies.
Язык: Английский
A“Duet‐Insurance” Sensing Strategy by Combining Janus TpMa COF/Eu‐doped α‐Fe2O3 and Variable‐Temperature Excitation for Robust, Visual Indoor Pollution Gas Detection
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 11, 2024
Abstract
Water
competitive
adsorption
and
limited
reaction
sites
on
the
micro‐scale
sensing
area
of
micro‐electro‐mechanical
system
(MEMS)
sensors
are
two
bottleneck
problems
that
restrict
detection
trace
indoor
polluted
gases,
leading
to
drifting
weak
signals.
To
address
this,
a
“duet‐insurance”
strategy
is
proposed
protect
amplify
signal.
For
first‐level
protection,
well‐designed
double‐layer
structure
consisting
Janus
TpMa
covalent
organic
framework
(COF)/Eu‐doped
α‐Fe
2
O
3
can
resist
diffusion
water
molecules
facilitate
electron
transfer
from
formaldehyde
(CH
O)
layers,
benefiting
outer
hydrophobic
character
strong
CH
capacity
Eu‐doped
Fe
.
second‐level
amplification,
unique
variable
temperature
excitation
facilitates
deep
penetration
into
active
across
COF
enabling
signal
amplification
through
thermally
actuated
carrier
modulation.
The
sensor
demonstrates
high
ability
O,
with
an
ultra‐low
limit
794
ppt.
Leveraging
novel
strategy,
multi‐functional,
visual
designed
identify
multi‐indoor
pollution
gases
by
feature
encoding
color
mapping,
showcasing
promising
potential
for
MEMS
based
COF/Eu‐doped
materials.
Язык: Английский
Short Aromatic Blocks Enhance Styrene Conversion in Polymer Cubosome Formation via Polymerization‐Induced Self‐Assembly
Macromolecular Rapid Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 7, 2025
Polymer
cubosomes
(PCs)
have
garnered
significant
interest
in
the
field
of
nanomaterials
and
nanotechnology
due
to
their
unique
properties
potential
applications.
However,
fabrication
PCs
remains
challenging.
Polymerization-induced
self-assembly
(PISA)
is
recognized
as
an
efficient
method
for
producing
a
variety
polymer
particles,
including
PCs.
Despite
advantages
PISA,
conversion
styrene
(St),
core-forming
monomer
commonly
used
PC
preparation,
relatively
low.
Herein,
novel
strategy
introduced
enhance
St
preparation
via
PISA
by
incorporating
short
azobenzene-containing
block
(PMAAz)
into
hydrophilic
macro-chain
transfer
agent
(macro-CTA).
Utilizing
PMAAz-tailed
poly(poly(ethylene
glycol)
methyl
ether
methacrylate),
successfully
improved
from
initial
12.9-13.8%
enhanced
range
19.1-26.9%.
This
enhancement
allows
reduced
feeding
ratio
macro-CTA
Further
studies
various
blocks
consisting
different
hydrophobic
monomers
reveal
that
aromatic
interactions,
derived
these
blocks,
are
crucial
increasing
facilitating
formation.
study
offers
direct
convenient
approach
obtaining
with
diversified
functional
groups
efficiently,
thereby
significantly
broadening
application
materials.
Язык: Английский
Visualization of different morphologies of block copolymer assemblies using various fluorescent colors via the introduction of solvent-responsive AIEgen
Science China Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 23, 2025
Язык: Английский
A Regiospecific Co-Assembly Method to Functionalize Ordered Mesoporous Metal Oxides with Customizable Noble Metal Nanocrystals
ACS Central Science,
Год журнала:
2024,
Номер
10(12), С. 2274 - 2284
Опубликована: Ноя. 21, 2024
An
efficient
regiospecific
co-assembly
(RSCA)
strategy
is
developed
for
general
synthesis
of
mesoporous
metal
oxides
with
pore
walls
precisely
decorated
by
highly
dispersed
noble
nanocrystals
customized
parameters
(diameter
and
composition).
It
features
the
rational
utilization
specific
interactions
between
hydrophilic
molecular
precursors,
hydrophobic
nanocrystals,
amphiphilic
block
copolymers,
to
achieve
as
confirmed
dynamics
simulations.
Through
this
RSCA
strategy,
we
achieved
a
controllable
variety
functional
oxide
composites
(e.g.,
WO3,
ZrO2,
TiO2)
in-pore
various
tailored
components
(Au,
Ag,
Pt,
Pd
their
nanoalloys)
sizes
(3.0-8.5
nm).
As
an
example,
obtained
0.5-Ag/WO3
material
has
interconnected
structure
uniform
6.5
nm
Ag
confined
in
mesopores,
showing
superior
NO
sensing
performances
high
sensitivity,
good
selectivity,
stability
at
low
working
temperature
(127
°C).
In
situ
spectroscopy
study
indicates
that
process
involves
unique
gas-solid
reaction,
where
molecules
are
converted
into
chemisorbed
x
species
over
sensitive
materials,
inducing
remarkable
change
resistance
outputting
dramatic
response
signal.
Язык: Английский
Synthesis and Self‐Assembly of Poly(4‐acetoxystyrene) Cubosomes
Macromolecular Rapid Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 16, 2024
Abstract
Polymer
cubosomes
(PCs)
are
a
recent
class
of
self‐assembled
nanostructures
with
great
application
potential
due
to
their
high
porosity
and
surface
area.
Currently,
most
reported
PCs
consist
polystyrene
block
copolymers
(BCPs),
for
which
self‐assembly
parameters
rather
well
understood.
Changing
the
chemistry
would
be
desirable
introduce
more
functionality;
however,
knowledge
adapting
process
new
chemistries
remains
limited.
This
work,
reports
on
synthesizing
poly(ethylene
oxide)‐
‐poly(4‐acetoxystyrene)
its
styrene,
provide
conditions
into
yield
inner
order.
It
is
shown
that
polarity
starting
solvent
toward
corona
allows
tuning
final
morphology
by
controlling
volume
packing
parameter.
Язык: Английский
Bicontinuous Block Copolymer Microparticles through Hydrogen-Bonding-Mediated Dual Phase Separation between Polymer Segments and Fluorinated Additives
ACS Nano,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 22, 2024
Bicontinuous
microparticles
have
advanced
transport,
mechanical,
and
electrochemical
properties
show
promising
applications
in
energy
storage,
catalysis,
other
fields.
However,
it
remains
a
great
challenge
to
fabricate
bicontinuous
of
block
copolymers
(BCPs)
by
controlling
the
microphase
separation
due
extremely
narrow
region
structure
phase
diagram.
Here,
we
demonstrate
strategy
balance
BCPs
fluorinated
additives
at
different
length
scales
emulsion
droplets,
providing
large
window
access
microparticles.
The
key
point
is
simultaneously
introduce
contradictory
attractive–repulsive
interactions
between
poly(4-vinylpyridine)-containing
carboxylated
perfluorinated
additives.
Hydrogen
bonding
poly(4-vinylpyridine)
carboxyl
groups,
as
an
attractive
interaction,
directs
Meanwhile,
repulsive
interaction
high
immiscibility
perfluoroalkyl
residues
induces
macrophase
separation.
compromise
triggers
formation
space.
In
addition,
vulnerable
nature
hydrogen
provides
flexible
route
for
reversibly
shaping
BCP
assemblies.
This
work
establishes
platform
fabricating
structured
which
structures
are
hardly
accessible
through
traditional
solution
self-assembly.
Язык: Английский