Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(12)
Опубликована: Янв. 24, 2024
Abstract
Cost‐effective,
non‐fluorinated
polymer
proton
exchange
membranes
(PEMs)
are
highly
desirable
in
emerging
hydrogen
fuel
cells
(FCs)
technology;
however,
their
low
conductivities
and
poor
chemical
dimension
stabilities
hinder
further
development
as
alternatives
to
commercial
Nafion®.
Here,
we
report
the
inorganic‐organic
hybridization
strategy
by
facilely
complexing
polymers,
polyvinyl
butyral
(PVB),
with
inorganic
molecular
nanoparticles,
H
3
PW
12
O
40
(PW)
via
supramolecular
interaction.
The
strong
affinity
among
them
endows
obtained
nanocomposites
amphiphilicity
lead
phase
separation
for
bi‐continuous
structures
both
inter‐connected
transportation
channels
robust
scaffold,
enabling
high
conductivities,
mechanical/dimension
stability
barrier
performance,
2
/O
FCs
equipped
composite
PEM
show
promising
power
densities
long‐term
stability.
Interestingly,
hybrid
can
be
fabricated
continuously
large
scale
at
challenging
~10
μm
thickness
typical
tape
casting
technique
originated
from
facile
hybrids’
excellent
mechanical
properties.
This
work
not
only
provides
potential
material
systems
PEMs,
but
also
raises
interest
research
on
composites
PEMs.
Chemical Society Reviews,
Год журнала:
2021,
Номер
50(7), С. 4432 - 4483
Опубликована: Янв. 1, 2021
Phenolics
are
ubiquitous
in
nature
and
have
gained
immense
research
attention
because
of
their
unique
physiochemical
properties
widespread
industrial
use.
In
recent
decades,
accessibility,
versatile
reactivity,
relative
biocompatibility
catalysed
phenolic-enabled
nanotechnology
(PEN)
particularly
for
biomedical
applications
which
been
a
major
benefactor
this
emergence,
as
largely
demonstrated
by
polydopamine
polyphenols.
Therefore,
it
is
imperative
to
overveiw
the
fundamental
mechanisms
synthetic
strategies
PEN
state-of-the-art
provide
timely
comprehensive
summary.
review,
we
will
focus
on
principles
involved
summarize
use
toolkit
particle
engineering
bottom-up
synthesis
nanohybrid
materials.
Specifically,
discuss
attractive
forces
between
phenolics
complementary
structural
motifs
confined
systems
synthesize
high-quality
products
with
controllable
size,
shape,
composition,
well
surface
chemistry
function.
Additionally,
phenolic's
numerous
biosensing,
bioimaging,
disease
treatment
be
highlighted.
This
review
aims
guidelines
new
scientists
field
serve
an
up-to-date
compilation
what
has
achieved
area,
while
offering
expert
perspectives
PEN's
translational
research.
Chemical Reviews,
Год журнала:
2021,
Номер
121(23), С. 14349 - 14429
Опубликована: Окт. 5, 2021
Functional
mesoporous
materials
have
gained
tremendous
attention
due
to
their
distinctive
properties
and
potential
applications.
In
recent
decades,
the
self-assembly
of
micelles
framework
precursors
into
mesostructures
on
liquid-solid,
liquid-liquid,
gas-liquid
interface
has
been
explored
in
construction
functional
with
diverse
compositions,
morphologies,
mesostructures,
pore
sizes.
Compared
one-phase
solution
synthetic
approach,
introduction
a
two-phase
system
changes
behaviors
between
species,
leading
possibility
for
on-demand
fabrication
unique
architectures.
addition,
controlling
interfacial
tension
is
critical
manipulate
process
precise
synthesis.
particular,
breakthroughs
based
concept
"monomicelles"
assembly
mechanism
are
very
promising
interesting
synthesis
control.
this
review,
we
highlight
strategies,
principles,
engineering
at
macroscale,
microscale,
nanoscale
oriented
over
past
10
years.
The
applications
various
fields,
including
adsorption,
separation,
sensors,
catalysis,
energy
storage,
solar
cells,
biomedicine,
discussed.
Finally,
also
propose
remaining
challenges,
possible
directions,
opportunities
field
future
outlook.
Angewandte Chemie International Edition,
Год журнала:
2021,
Номер
60(51), С. 26528 - 26534
Опубликована: Ноя. 8, 2021
The
application
of
traditional
electrode
materials
for
high-performance
capacitive
deionization
(CDI)
has
been
persistently
limited
by
their
low
charge-storage
capacities,
excessive
co-ion
expulsion
and
slow
salt
removal
rates.
Here
we
report
a
bottom-up
approach
to
the
preparation
two-dimensional
(2D)
Ti3
C2
Tx
MXene-polydopamine
heterostructure
having
ordered
in-plane
mesochannels
(denoted
as
mPDA/MXene).
Interfacial
self-assembly
mesoporous
polydopamine
(mPDA)
monolayers
on
MXene
nanosheets
leads
mPDA/MXene
heterostructure,
which
exhibits
several
unique
features:
(1)
undergoes
reversible
ion
intercalation/deintercalation
possesses
high
conductivity;
(2)
mPDA
layers
establish
redox
characteristics
Na+
selectivity,
also
help
prevent
self-stacking
oxidation
MXene;
(3)
enable
smooth
transport
ions
at
internal
spaces
this
stacked
2D
material.
When
applied
an
material
CDI,
exhibit
top-level
CDI
performance
cycling
stability
compared
those
so
far
reported
materials.
Our
study
opens
avenue
rational
construction
MXene-organic
hybrid
heterostructures,
further
motivates
development
ACS Applied Materials & Interfaces,
Год журнала:
2021,
Номер
13(19), С. 22664 - 22675
Опубликована: Май 5, 2021
The
three-dimensional
(3D)
architecture
of
electrode
materials
with
excellent
stability
and
electrochemical
activity
is
extremely
desirable
for
high-performance
supercapacitors.
In
this
study,
we
develop
a
facile
method
fabricating
3D
self-supporting
Ti3C2
MoS2
Cu2O
nanocrystal
composites
supercapacitor
applications.
was
incorporated
in
using
hydrothermal
method,
embedded
two-dimensional
nanosheets
by
situ
chemical
reduction.
resulting
composite
showed
synergistic
effect
between
the
components.
served
as
conductive
additive
to
connect
facilitate
charge
transfer.
acted
an
active
spacer
increase
interlayer
space
protect
from
oxidation.
effectively
prevented
collapse
lamellar
structure
Ti3C2–MoS2.
Consequently,
optimized
exhibited
specific
capacitance
1459
F
g–1
at
current
density
1
A
g–1.
Further,
assembling
all-solid-state
flexible
activated
carbon,
high
energy
60.5
W
h
kg–1
achieved
power
103
kg–1.
Additionally,
retention
90%
during
3000
charging–discharging
cycles.
Moreover,
mechanical
robustness
retained
after
bending
different
angles,
thereby
suggesting
significant
potential
applications
future
wearable
devices.
Abstract
The
highly
efficient
energy
conversion
of
the
polymer‐electrolyte‐membrane
fuel
cell
(PEMFC)
is
extremely
limited
by
sluggish
oxygen
reduction
reaction
(ORR)
kinetics
and
poor
electrochemical
stability
catalysts.
Hitherto,
to
replace
costly
Pt‐based
catalysts,
non‐noble‐metal
ORR
catalysts
are
developed,
among
which
transition
metal–heteroatoms–carbon
(TM–H–C)
materials
present
great
potential
for
industrial
applications
due
their
outstanding
catalytic
activity
low
expense.
However,
during
testing
in
a
two‐electrode
system
high
complexity
have
become
big
barrier
commercial
applications.
Thus,
herein,
simplify
research,
typical
Fe–N–C
material
with
relatively
simple
constitution
structure,
selected
as
model
catalyst
TM–H–C
explore
improve
such
kind
Then,
different
types
active
sites
(centers)
coordination
systematically
summarized
discussed,
possible
attenuation
mechanism
strategies
analyzed.
Finally,
some
challenges
faced
prospects
proposed
shed
light
on
future
development
trend
advanced
catalysis.
The
antitumor
efficiency
and
clinical
translation
of
traditional
nanomedicines
is
mainly
restricted
by
low
drug
loading,
complex
preparation
technology,
potential
toxicity
caused
the
overused
carrier
materials.
In
recent
decades,
small-molecule
prodrug
nanoassemblies
(SMP-NAs),
which
are
formed
self-assembly
prodrugs
themselves,
have
been
widely
investigated
with
distinct
advantages
ultrahigh
drug-loading
negligible
excipients-trigged
adverse
reaction.
Benefited
from
simple
process,
SMP-NAs
used
for
chemotherapy,
phototherapy,
immunotherapy,
tumor
diagnosis.
addition,
combination
therapy
based
on
accurate
co-delivery
behavior
can
effectively
address
challenges
heterogeneity
multidrug
resistance.
Recent
trends
in
outlined,
corresponding
mechanisms
discussed
detail.
Besides,
smart
stimuli-responsive
summarized,
special
emphasis
structure-function
relationships.
Finally,
outlooks
cancer
highlighted.
Journal of Polymer Science,
Год журнала:
2021,
Номер
59(17), С. 1874 - 1898
Опубликована: Июль 26, 2021
Abstract
The
self‐assembly
process
of
block
copolymers
(BCPs)
in
solution
has
been
at
the
focus
extended
scientific
research
over
past
several
decades
owing
to
astonishing
morphological
diversity
and
attainable
complexity
resulting
nanoassemblies,
including
spheres,
cylinders,
lamellae,
vesicles,
many
other
complex,
bicontinuous
or
even
hierarchical
structures.
ever‐increasing
sophistication
development
synthetic
chemistry
methods
techniques
led
a
myriad
available
macromolecules
with
varying
chemical
compositions,
architectures,
features,
properties.
This
assortment
characteristics
turn
plethora
intriguing
self‐organized
polymeric
nanostructures,
countless
possible
applications
nanotechnological
fields
relevant
physics,
chemistry,
material
science,
nanomedicine,
biomaterials.
present
review
aims
illuminate
importance
fascinating
potential
BCPs
by
highlighting
recent
advances
emerging
trends
field,
as
well
significant
application‐oriented
progress,
through
characteristic
contemporary
examples.
