ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(31), P. 41583 - 41595
Published: July 24, 2024
Conductive
hydrogels
are
widely
used
in
flexible
sensors
owing
to
their
adjustable
structure,
good
conductivity,
and
flexibility.
The
performance
of
excellent
mechanical
properties,
high
sensitivity,
elastic
modulus
compatible
with
human
tissues
is
great
interest
the
field
sensors.
In
this
paper,
functional
groups
trisodium
citrate
dihydrate
(SC)
MXene
form
multiple
hydrogen
bonds
polymer
network
prepare
a
hydrogel
properties
(Young's
(23.5–92
kPa)
similar
tissue
(0–100
kPa)),
sensitivity
(stretched
GF
4.41
compressed
S1
5.15
MPa–1),
durability
(1000
cycles).
able
sensitively
detect
deformations
caused
by
strain
stress
can
be
movement
real
time
such
as
fingers,
wrists,
walking.
addition,
combination
matrix
sensing
machine
learning
was
successfully
for
handwriting
recognition
an
accuracy
0.9744.
shows
potential
areas
healthcare,
information
security,
smart
homes.
Chemical Science,
Journal Year:
2023,
Volume and Issue:
14(45), P. 12850 - 12868
Published: Jan. 1, 2023
This
review
summarizes
the
synthesis
methods,
characterization
research
progress
and
regulation
strategies
of
HAEs
in
field
electrocatalytic
HER,
HOR,
OER,
ORR,
CO
2
RR,
NRR
AOR,
providing
deep
understanding
for
future
applications.
ACS Catalysis,
Journal Year:
2023,
Volume and Issue:
13(18), P. 12414 - 12424
Published: Sept. 7, 2023
Generating
singlet
oxygen
(1O2)
on
single
atom
catalysts
(SACs)
in
peroxymonosulfate
(PMS)-based
Fenton-like
reactions
exhibits
great
potential
for
selective
degradation
of
contaminants
complex
wastewater.
Clarifying
the
structure–activity
relationship
between
electronic
structure
SACs
and
1O2
generation
selectivity
is
crucial
precise
design
efficient
catalysts,
but
it
challenging.
Herein,
Cu
with
different
structures
(namely,
Cu–O2X,
where
X
=
N,
S,
B,
P,
O)
investigated
by
density
functional
theory
calculations
using
adsorption
terminal
atoms
PMS
as
an
activity
descriptor.
Significantly,
affected
center
which
electron-depleted
Cu-O2B
site
a
higher
atoms.
Experimentally,
moiety
superior
catalytic
activation,
showing
nearly
100%
ciprofloxacin
rate
0.2250
min–1,
outperforming
those
other
counterparts.
The
high
attributed
to
asymmetric
accelerating
faster
electron
transfer
O–O
bond
stretching,
lowering
energy
barrier
key
intermediates
toward
generation.
This
work
provides
broader
perspective
regulating
sites
at
atomic
level
catalysts.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(3)
Published: Oct. 2, 2023
Abstract
It
is
very
important
to
understand
the
structure–performance
relationship
of
metal
catalysts
by
adjusting
microstructure
at
atomic
scale.
The
distance
has
an
essential
influence
on
composition
environment
active
atom,
which
a
key
factor
for
design
targeted
with
desired
function.
In
this
review,
we
discuss
and
summarize
strategies
changing
from
three
aspects
relate
their
effects
reactivity
catalysts.
First,
regulating
bond
length
between
coordination
atom
one
single‐atom
site
catalytic
performance
are
introduced.
lengths
affected
strain
effect
support
high‐shell
doping
can
evolve
during
reaction.
Next,
sites
discussed.
Due
space
matching
adsorption
electron
transport,
be
adjusted
shortening
distance.
addition,
arrangement
spacing
surface
atoms
nanocatalysts
studied.
Finally,
comprehensive
summary
outlook
given.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(11)
Published: Nov. 27, 2023
Abstract
Covalent
organic
frameworks
(COFs)
are
crystalline
porous
polymers
that
can
be
precisely
integrated
by
building
blocks
to
achieve
pre‐designed
composition,
components,
and
functions,
making
them
a
powerful
platform
for
the
development
of
molecular
devices
in
field
electrocatalysis.
The
precise
control
channel/dopant
positions
highly
ordered
network
structures
COFs
provide
an
ideal
material
system
applications
advanced
In
this
paper,
topological
structure
design
synthesis
methods
reviewed
detail,
their
principles
deeply
analyzed.
addition,
derivatives
electrocatalysis
systematically
summarized
optimization
strategies
proposed.
Finally,
application
prospects
challenges
may
encountered
future
prospected,
providing
helpful
guidance
research.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(5), P. 4256 - 4268
Published: Jan. 24, 2024
Dual-atom
catalytic
sites
on
conductive
substrates
offer
a
promising
opportunity
for
accelerating
the
kinetics
of
multistep
hydrogen
and
oxygen
evolution
reactions
(HER
OER,
respectively).
Using
MXenes
as
is
strategy
depositing
those
dual-atom
electrocatalysts,
if
efficient
surface
anchoring
ensuring
metal-substrate
interactions
sufficient
mass
loading
established.
We
introduce
surface-modification
MXene
by
preadsorbing
L-tryptophan
molecules,
which
enabled
attachment
Co/Ni
electrocatalyst
at
Ti3C2Tx
forming
N–Co/Ni-O
bonds,
with
reaching
high
5.6
wt
%.
The
electron
delocalization
resulting
from
terminated
O
atoms
substrates,
N
in
moieties,
metal
Co
Ni
provides
an
optimal
adsorption
strength
intermediates
boosts
HER
OER
kinetics,
thereby
notably
promoting
intrinsic
activity
electrocatalyst.
CoNi-Ti3C2Tx
displayed
overpotentials
31
241
mV
10
mA
cm–2,
respectively.
Importantly,
also
exhibited
operational
stability
both
over
100
h
industrially
relevant
current
density
500
cm–2.
Our
study
provided
guidance
constructing
active
to
synergistically
enhance
electrochemical
efficiency
energy
conversion
storage
systems.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(21)
Published: Feb. 7, 2024
Single-atom
nanozymes
(SAzymes)
showcase
not
only
uniformly
dispersed
active
sites
but
also
meticulously
engineered
coordination
structures.
These
intricate
architectures
bestow
upon
them
an
exceptional
catalytic
prowess,
thereby
captivating
numerous
minds
and
heralding
a
new
era
of
possibilities
in
the
biomedical
landscape.
Tuning
microstructure
SAzymes
on
atomic
scale
is
key
factor
designing
targeted
with
desirable
functions.
This
review
first
discusses
summarizes
three
strategies
for
their
impact
reactivity
biocatalysis.
The
effects
choices
carrier,
different
synthesis
methods,
modulation
first/second
shell,
type
number
metal
centers
enzyme-like
activity
are
unraveled.
Next,
attempt
made
to
summarize
biological
applications
tumor
therapy,
biosensing,
antimicrobial,
anti-inflammatory,
other
from
mechanisms.
Finally,
how
designed
regulated
further
realization
diverse
reviewed
prospected.
It
envisaged
that
comprehensive
presented
within
this
exegesis
will
furnish
novel
perspectives
profound
revelations
regarding
SAzymes.
