Langmuir,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 20, 2024
Developing
economical,
efficient,
and
earth-rich
electrocatalysts
for
hydrogen
evolution
reaction
(HER)
is
quite
challenging
ideal.
We
propose
that
[P2W18O62]6–
as
the
guest,
due
to
its
excellent
reversible
18
electron-transfer
capacity
redox
properties,
then
TM-BDC
(TM
=
Ni,
Co,
Fe,
BDC
1,4-benzene-dicarboxylate)
host
make
packaged
not
escape
porous
structure.
Benefiting
from
strong
redox-competent
interactions
between
structures
of
full
exposure
abundant
active
sites,
three
{P2W18}@TM-BDC
composites
exhibited
HER
activity,
with
{P2W18}@Ni-BDC
requiring
198
mV
(overpotentials)
104
mV/dec
(Tafel
slope)
HER.
More
importantly,
show
stability,
voltage
remaining
nearly
constant
24
h.
Meanwhile,
linear
sweep
voltammetry
(LSV)
electrochemical
impedance
spectroscopy
(EIS)
curves
overlap
well
initial
curve
after
stability
test.
Our
work
offers
a
promising
strategy
synthesizing
high-performance
broadens
scope
nonprecious
metal
composite
material
preparation.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 6, 2024
Abstract
Photocatalytic
CO
2
reduction
reaction
(CO
RR)
into
high‐value‐added
fuels
has
received
significant
attention,
yet
multiple
electron
and
proton
processes
involved
in
RR
result
low
selectivity.
Herein,
a
strategy
involving
oxygen
vacancies
(Ovs)‐enriched
Bi
MoO
6
coated
on
ZIF‐67‐derived
Co
3
O
4
to
construct
well‐defined
core‐shell
nanocage
is
developed,
which
drives
effective
photoconversion
CH
with
nearly
100%
selectivity
high
apparent
quantum
efficiency
of
2.5%
at
420
nm
pure
water
under
simulated
irradiation.
Theoretical
calculations
experiments
exhibit
that
the
potential
difference
stemming
from
built‐in
electric
field
provides
guarantee
for
occurring
H
oxidation
set
.
Numerous
exposed
Ovs
formed
Bi─O
bond
by
ethylene
glycol
mediated
approach
promotes
adsorption
charge
separation
efficiency,
can
optimize
kinetics
thermodynamics,
facilitating
hydrogenation
key
intermediate
*CO
generate
This
work
new
controlled
vacancy
generation
photocatalysts
achieve
high‐performance
methanation.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(9)
Published: Jan. 5, 2024
Abstract
Transitioning
from
fossil
fuels
to
renewable
energy
sources
is
demanded
due
the
gradual
depletion
of
petroleum
oil/gas
and
environmental
impact
carbon
dioxide
(CO
2
)
emissions
into
atmosphere.
Electrocatalytic
photocatalytic
CO
reduction
methane
(CH
4
using
crucial
for
sustainable
chemical/fuel
production
greenhouse
gas
reduction.
In
recent
years,
extensive
research
has
focused
on
understanding
fundamental
aspects
two
approaches,
such
as
reaction
mechanisms
active
sites,
exploring/designing
novel
catalytic
materials.
This
review
initially
discusses
fundamentals,
including
performance
evaluation
indexes,
reactors,
mechanisms,
understand
reactions.
Subsequently,
various
catalyst
preparation
strategies
characterization
methods
are
summarized,
trying
outline
design
principle
based
obtained
mechanisms.
Finally,
challenges
perspectives
future
development
in
this
area
discussed
presented.
It
expected
provide
a
comprehensive
photo/electrocatalytic
methanation,
valuable
knowledge
novice
researchers,
helpful
reference
endeavors.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
Abstract
The
photocatalytic
conversion
of
CO
2
into
products
such
as
CH
4
and
C
H
6
poses
a
significant
challenge
due
to
the
lengthy
reaction
steps
high
energy
barrier
involved.
In
this
study,
both
benzothiadiazole
(BTD)
hydroxyl
groups
(‐OH)
are
introduced
cobalt‐based
polymerized
porphyrinic
network
(PPN)
through
C‐C
coupling
reaction.
This
modification
orbital
levels
that
strengthens
ability
gain
electrons
facilitates
charge
transfer
in
PPN.
Hydroxyl
group
largely
enhances
for
light
response,
while
thiadiazole
unit
tunes
molecular
proper
level.
By
way,
BTD‐DBP‐PPN(Co)
achieves
capability
under
irradiation
light.
Co
active
site
is
reduce
facilitate
transfer.
pathway
production
has
been
studied
further
mechanism
explanation.
Overall,
series
porphyrin
centers
with
donor–acceptor
(D‐A)
structure
designed
synthesized
enhance
reduction
performance
achieve
formation
300‐W
Xe
lamp
irradiation.
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(37), P. 19711 - 19721
Published: Sept. 2, 2024
The
severe
photocorrosion
of
cadmium
sulfide
(CdS)
restricts
its
practical
application
for
solar
hydrogen
production.
Although
remarkable
progress
has
been
achieved
with
an
overlayer
strategy
isolating
the
CdS
surface,
lifetime
CdS-based
photoanodes
is
still
far
from
actual
requirements.
Herein,
a
hybrid
defective
Ni-MOF
and
NiO
nanoparticles
developed
through
chemical
bath
deposition
method
postannealing.
This
Ni-MOF-d
coated
on
surface
TiO
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(46), P. 19972 - 19993
Published: Nov. 11, 2024
Methane
is
important
as
an
electrofuel
(e-fuel),
which
can
be
efficiently
converted
into
cleaner
energy
sources,
thereby
reducing
carbon
emissions
and
supporting
the
transition
to
sustainable
energy.
Because
of
their
specific
properties,
metal–organic
framework
(MOF)-based
catalysts
have
drawn
significant
attention
methane
production,
such
high
surface
area,
multiple
active
sites,
tunability,
versatility,
porosity.
With
growing
progresses
on
MOFs
catalytic
behavior
for
this
review
focuses
how
enhance
performance
MOF-based
through
multicomponent
design
stability
improvements.
It
addresses
challenges
faced
in
production
using
highlights
critical
requirements
practical
applications.
The
summarizes
strategies
designing
with
features
by
precursors
construct
multimetallic
MOFs,
single-atom
MOF
catalysts,
functional
composites.
Moreover,
recent
advances
including
coordination
structures
compositions
improved
stability,
are
discussed.
also
provides
overview
application
covering
areas
photocatalysis,
electroreduction,
biomethane
production.
Finally,
it
outlines
suggests
future
directions