Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(11)
Published: Jan. 16, 2024
Abstract
Ammonia
(NH
3
)
is
recognized
as
a
transportable
carrier
for
renewable
energy
fuels.
Photoelectrochemical
nitrate
reduction
reaction
(PEC
NO
RR)
offers
sustainable
solution
nitrate‐rich
wastewater
treatment
by
directly
converting
solar
to
ammonia.
In
this
study,
we
demonstrate
the
highly
selective
PEC
ammonia
production
from
RR
constructing
CoCu/TiO
2
/Sb
Se
photocathode.
The
constructed
photocathode
achieves
an
Faraday
efficiency
(FE)
of
88.01
%
at
−0.2
V
RHE
and
yield
high
15.91
μmol
h
−1
cm
−2
−0.3
with
excellent
onset
potential
0.43
.
Dynamics
experiments
theoretical
calculations
have
demonstrated
that
possesses
light
absorption
capacity,
transfer
capability,
charge
separation
efficiencies.
can
effectively
adsorb
reactant
−
intermediate,
CoCu
co‐catalyst
increases
maximum
Gibbs
free
difference
between
HER.
Meanwhile,
Co
species
enhances
spin
density
Cu,
states
near
Fermi
level
in
pdos,
which
results
activity
on
This
work
provides
new
avenue
feasibility
efficient
synthesis
wastewater.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(29)
Published: June 17, 2023
Abstract
The
direct
correlation
between
active
sites
and
catalytic
activity
in
multiple‐component
metal‐organic
frameworks
(MOFs)
is
key
to
understanding
their
mechanism
of
oxygen
evolution
reaction
(OER)
but
remains
vague.
Herein,
supported
multiple‐site
MOFs
are
adopted
as
model
catalysts
quantitatively
study
the
composition‐dependent
OER
performance.
Ni
on
Fe
metal
substrate
possess
highest
intrinsic
with
Ni/Fe
ratio
1:2
presence
leaching
during
synthesis.
Further
introducing
a
proper
amount
Cu
further
boosts
performance
Cu‐doped
NiFe
an
impressively
low
overpotential
200
mV
at
10
mA
cm
−2
.
Spectroscopic
analysis
theoretical
indicates
that
copper
doping
within
induces
electron
redistribution
for
high
valence
optimized
balance
OH/OOH
adsorption
decreased
energy
barrier
improved
OER.
This
work
sheds
light
site
tailoring
which
highly
correlates
activity.
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(6), P. 2339 - 2349
Published: May 14, 2024
The
construction
of
a
highly
luminescent,
stable,
and
target-insensitive
internal
reference
signal
is
significant
in
ratiometric
color
tonality
applications.
Improvement
the
antenna
effect,
efficient
mechanism
that
enhances
luminescence
emission
via
sensitization,
an
effective
route
to
obtain
bright
luminescence.
Additionally,
manipulation
crystal
structure
morphology
key
issue
control
reactivity,
especially
metal–organic
frameworks
(MOFs).
In
present
work,
novel
red
emitter
Eu/Zn
bimetal
biligand
MOF
(UoZ-5)
was
synthesized
used
as
signal.
A
dual-antenna
from
triplet
states
(T1)
ligands
5Do
Eu3+
ion,
observed
explained
on
basis
energy
levels.
With
UoZ-5
serving
reference,
blue-emitting
carbon
quantum
dots
(CQDs)
selective
for
Ag+
ions
nonfluorescent
composite,
CQDs@Ag+,
probe
vitamin
B1,
tonality-based
platform
analysis
were
developed.
The Innovation,
Journal Year:
2025,
Volume and Issue:
6(2), P. 100778 - 100778
Published: Jan. 18, 2025
Traditional
fossil
fuels
significantly
contribute
to
energy
supply,
economic
development,
and
advancements
in
science
technology.
However,
prolonged
extensive
use
of
has
resulted
increasingly
severe
environmental
pollution.
Consequently,
it
is
imperative
develop
new,
clean,
pollution-free
sources
with
high
density
versatility
as
substitutes
for
conventional
fuels,
although
this
remains
a
considerable
challenge.
Simultaneously,
addressing
water
pollution
critical
concern.
The
design,
optimization
functional
nanomaterials
are
pivotal
advancing
new
solutions
pollutant
remediation.
Emerging
porous
framework
materials
such
metal-organic
frameworks
(MOFs)
covalent
organic
(COFs),
recognized
exemplary
crystalline
materials,
exhibit
potential
applications
due
their
specific
surface
area,
adjustable
pore
sizes
structures,
permanent
porosity,
customizable
functionalities.
This
work
provides
comprehensive
systematic
review
the
MOFs,
COFs,
derivatives
emerging
technologies,
including
oxygen
reduction
reaction,
evolution
hydrogen
lithium-ion
batteries,
remediation
carbon
dioxide
reaction
management.
In
addition,
strategies
performance
adjustment
structure-effect
relationships
these
explored.
Interaction
mechanisms
summarized
based
on
experimental
discussions,
theoretical
calculations,
advanced
spectroscopy
analyses.
challenges,
future
prospects,
opportunities
tailoring
presented.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(11)
Published: Jan. 16, 2024
Abstract
Ammonia
(NH
3
)
is
recognized
as
a
transportable
carrier
for
renewable
energy
fuels.
Photoelectrochemical
nitrate
reduction
reaction
(PEC
NO
RR)
offers
sustainable
solution
nitrate‐rich
wastewater
treatment
by
directly
converting
solar
to
ammonia.
In
this
study,
we
demonstrate
the
highly
selective
PEC
ammonia
production
from
RR
constructing
CoCu/TiO
2
/Sb
Se
photocathode.
The
constructed
photocathode
achieves
an
Faraday
efficiency
(FE)
of
88.01
%
at
−0.2
V
RHE
and
yield
high
15.91
μmol
h
−1
cm
−2
−0.3
with
excellent
onset
potential
0.43
.
Dynamics
experiments
theoretical
calculations
have
demonstrated
that
possesses
light
absorption
capacity,
transfer
capability,
charge
separation
efficiencies.
can
effectively
adsorb
reactant
−
intermediate,
CoCu
co‐catalyst
increases
maximum
Gibbs
free
difference
between
HER.
Meanwhile,
Co
species
enhances
spin
density
Cu,
states
near
Fermi
level
in
pdos,
which
results
activity
on
This
work
provides
new
avenue
feasibility
efficient
synthesis
wastewater.
