Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(37)
Published: Sept. 6, 2024
Transition
metal
oxides
ion
diffusion
channels
have
been
developed
for
ammonium-ion
batteries
(AIBs).
However,
the
influence
of
microstructural
features
on
storage
and
behavior
NH
4
+
is
not
fully
unveiled.
In
this
study,
by
using
MnCo
2
O
spinel
as
a
model
electrode,
asymmetric
regulated
through
bond
length
optimization
strategy
investigate
effect
channel
size
process
.
addition,
reducing
significantly
decreases
adsorption
energy,
thereby
accelerating
hydrogen
formation/fracture
kinetics
reversible
within
3D
channels.
The
optimized
with
oxygen
vacancies/carbon
nanotubes
composite
exhibits
impressive
specific
capacity
(219.2
mAh
g
–1
at
0.1
A
)
long-cycle
stability.
full
cell
3,4,9,10-perylenetetracarboxylic
diimide
anode
demonstrates
remarkable
energy
density
52.3
Wh
kg
maintains
91.9%
after
500
cycles.
This
finding
provides
unique
approach
development
cathode
materials
in
AIBs.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(17), P. 11449 - 11461
Published: April 22, 2024
Bimetallic
alloy
nanoparticles
have
garnered
substantial
attention
for
diverse
catalytic
applications
owing
to
their
abundant
active
sites
and
tunable
electronic
structures,
whereas
the
synthesis
of
ultrafine
with
atomic-level
homogeneity
bulk-state
immiscible
couples
remains
a
formidable
challenge.
Herein,
we
present
RuxCo1–x
solid-solution
(ca.
2
nm)
across
entire
composition
range,
highly
efficient,
durable,
selective
CO2
hydrogenation
CH4
under
mild
conditions.
Notably,
Ru0.88Co0.12/TiO2
Ru0.74Co0.26/TiO2
catalysts,
12
26
atom
%
Ru
being
substituted
by
Co,
exhibit
enhanced
activity
compared
monometallic
Ru/TiO2
counterparts
both
in
dark
light
irradiation.
The
comprehensive
experimental
investigations
density
functional
theory
calculations
unveil
that
state
is
subtly
modulated
intimate
interaction
between
Co
nanoparticles,
this
effect
results
decline
conversion
energy
barrier,
thus
ultimately
culminating
an
elevated
performance
relative
catalysts.
In
photopromoted
thermocatalytic
process,
photoinduced
charge
carriers
localized
photothermal
play
pivotal
role
facilitating
chemical
reaction
which
accounts
further
boosted
methanation
performance.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(12), P. 7288 - 7300
Published: June 6, 2024
Metal–organic
frameworks
(MOFs)
are
widely
applied
in
various
fields,
including
energy
storage,
drug
delivery,
wastewater
treatment,
and
much
more.
However,
their
use
hydrogels
is
limited
due
to
low
dispersion
which
causes
agglomeration
the
hydrogel
network
many
properties
of
sacrifices.
Similarly,
conductive
have
emerged
as
a
promising
material
for
skin-like
sensors
excellent
biocompatibility
mechanical
flexibility.
like
MOFs,
also
face
challenges
such
stretchability,
toughness,
susceptibility
fatigue,
resulting
sensing
range
large
response
time-reduced
durability
sensors.
In
this
study,
highly
stretchable,
tough,
antifatigue
composite
poly(dodecyl
methacrylate-acrylamide-2-(acryloyloxy)ethyl
trimethylammonium
chloride)
bimetallic
metal–organic
framework
[p(DA-AM-AETAC)BM-MOF]
was
developed
by
integrating
BM-MOFs
into
it.
To
achieve
uniform
within
network,
positively
charged
surfactant,
ethyl
hexadecyl
dimethylammonium
bromide,
used.
It
facilitates
formation
hydrophobic
interactions
between
matrix
surface
BM-MOFs.
Furthermore,
it
can
interact
with
surfactant
polymer
chains
through
physical
interactions,
significantly
enhancing
hydrogel.
The
BM-MOF-based
exhibited
impressive
stretchability
(1588%)
toughness
(537
kJ
m–3),
along
exceptional
properties.
Moreover,
demonstrated
high
conductivity
1.3
S/m
tensile
strain
sensitivity
ranging
from
0.5
700%
gauge
factor
14.8
at
response–recovery
195–145
ms.
p(DA-AM-AETAC)BM-MOF
displayed
sensitive,
reliable,
repetitive
detection
wide
human
activities,
wrist
elbow
rotation,
finger
bending,
swallowing
motion,
speaking,
well
handwriting
drawing.
monitor
pressure
mimic
skin.
This
highlights
potential
wearable
strain,
pressure,
artificial
skin
flexible
devices.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(9), P. 6470 - 6487
Published: April 12, 2024
Solar-assisted
CO2
conversion
into
fuels
and
chemical
products
involves
a
range
of
technologies
aimed
at
driving
industrial
decarbonization
methods.
In
this
work,
we
report
on
the
development
series
multifunctional
metal-organic
frameworks
(MOFs)
based
nitro-
or
amino-functionalized
UiO-66(M)
(M:
Zr
Zr/Ti)
supported
RuOx
NPs
as
photocatalysts,
having
different
energy
band
level
diagrams,
for
hydrogenation
under
simulated
concentrated
sunlight
irradiation.
RuOx(1
wt
%;
2.2
±
0.9
nm)@UiO-66(Zr/Ti)-NO2
was
found
to
be
reusable
photocatalyst,
selective
methanation
(5.03
mmol
g-1
after
22
h;,
apparent
quantum
yield
350,
400,
600
nm
1.67,
0.25,
0.01%,
respectively),
show
about
3-6
times
activity
compared
with
previous
investigations.
The
photocatalysts
were
characterized
by
advanced
spectroscopic
techniques
like
femto-
nanosecond
transient
absorption,
spin
electron
resonance,
photoluminescence
spectroscopies
together
(photo)electrochemical
measurements.
photocatalytic
mechanism
assessed
operando
FTIR
spectroscopy.
results
indicate
that
most
active
photocatalyst
operates
dual
photochemical
photothermal
mechanism.
This
investigation
shows
potential
MOFs
solar-driven
recycling.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Abstract
Photothermal
catalysis,
a
frontier
in
heterogeneous
combines
light‐driven
and
thermally
enhanced
chemical
reactions
to
optimize
energy
use
reaction
efficiencies
at
catalytic
active
sites.
By
leveraging
photothermal
conversion,
this
approach
links
renewable
sources
with
industrial
processes,
offering
significant
potential
for
sustainable
applications.
This
review
categorizes
catalysis
into
three
types:
thermocatalysis,
photocatalysis,
photo‐thermo
coupling
catalysis.
Each
category
is
analyzed,
emphasizing
mechanisms,
performance
factors,
the
role
of
advanced
materials
such
as
plasmonic
nanoparticles,
semiconductors,
hybrid
composites
enhancing
light
absorption,
thermal
distribution,
stability.
Key
challenges
include
achieving
uniform
photonic
distributions
within
reactors
developing
accurate
evaluation
metrics.
Applications
CO₂
reduction,
ammonia
synthesis,
plastic
upcycling
highlight
environmental
relevance
technology.
The
identifies
limitations
suggests
innovations
design
energy‐storing
mechanisms
enable
continuous
processes.
Future
directions
emphasize
catalysis's
transform
systems
advance
green
production.
synthesis
aims
guide
research
foster
practical
adoption
technologies
an
scale.