Iron phthalocyanine coupled with Co-Nx sites in carbon nanostraws for Zn-Air batteries
Chemical Engineering Journal,
Год журнала:
2024,
Номер
503, С. 158343 - 158343
Опубликована: Дек. 9, 2024
Язык: Английский
Tailoring the d-band electronic structure of FePc by direct oxygen bridge on ZIF-8 derived ultrathin carbon shell to improve the oxygen reduction performance
Nano Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Язык: Английский
Enhancing Optoelectronic Properties in Phthalocyanine‐Based SURMOFs: Synthesis of ABAB Linkers by Avoiding Statistical Condensation with Tailored Building Blocks
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 25, 2025
Abstract
Phthalocyanine
(PC)‐based
metal–organic
frameworks
(MOFs)
hold
substantial
promise
for
applications
in
energy
storage,
sensing,
and
catalysis
due
to
their
robust
stability
enhanced
electron
transfer
capabilities.
However,
synthesizing
phthalocyanine
linkers
with
precise
geometries
presents
a
significant
challenge,
which
limits
prevalence
the
field.
Traditional
methods
typically
employ
readily
synthesized
tetratopic
PC
realizing
PC‐based
MOFs.
In
response,
study
an
innovative
approach
using
ditopic
ABAB‐phthalocyanine
MOF
linkers.
The
A
B
building
blocks
synthesis
are
deliberately
designed
circumvent
issues
of
statistical
condensation.
These
then
utilized
fabrication
zinc‐based
surface‐anchored
(SURMOF)
thin
films.
structural
electronic
properties
these
SURMOFs
explored
through
series
detailed
experimental
computational
methods,
including
X‐ray
diffraction,
scanning
microscopy
(SEM),
density
functional
theory
(DFT)
calculations.
UV–Vis
spectroscopy
reveals
improvements
absorption,
thereby
enhancing
material's
performance
light
harvesting
conversion.
Furthermore,
photodetector
built
this
novel
linker
demonstrates
high
efficacy
long‐wavelength
region
(780
nm),
highlighting
its
potential
cutting‐edge
sensing
technologies.
Язык: Английский
Molecular iron phthalocyanines anchoring onto ZIF-67-derived cobalt-carbon nanomaterials as bifunctional oxygen catalysts
Frontiers in Energy,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 30, 2025
Язык: Английский
Topology Engineering Promoting Electron Transfer in Phthalocyanine-Based Polymer Electrocatalysts for Oxygen Reduction
ACS Applied Polymer Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 23, 2025
Язык: Английский
Enhancing electrocatalytic N2 reduction to NH3 by introducing Ni heteroatoms into NiCuOx electrocatalyst
Catalysis Science & Technology,
Год журнала:
2024,
Номер
14(13), С. 3691 - 3698
Опубликована: Янв. 1, 2024
The
Ni
dopant
enhances
the
local
electronic
density
surrounding
Cu
sites,
which
is
favorable
for
reducing
energy
barrier
of
rate-determining
(*N
2
to
*NNH)
step
NRR
as
well
depressing
competing
HER.
Язык: Английский
Built-In Positive Valence Space Shifting the Chemical Equilibrium Forward for Nitrate Reduction to Ammonia
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(26), С. 12146 - 12155
Опубликована: Июнь 19, 2024
The
electrochemical
conversion
of
nitrate
pollutants
into
value-added
ammonia
(NH
Язык: Английский
Hierarchical Nitrogen-Doped Carbon: A Versatile Catalyst for Oxygen Reduction and Evolution Reactions
ECS Journal of Solid State Science and Technology,
Год журнала:
2024,
Номер
13(8), С. 081003 - 081003
Опубликована: Авг. 1, 2024
This
study
presents
the
synthesis
and
characterization
of
hierarchical
nitrogen-doped
carbon
(HCN-900),
demonstrating
remarkable
electrocatalytic
performance
for
both
oxygen
reduction
reaction
(ORR)
evolution
(OER),
outperforming
traditional
catalysts
like
RuO₂
Pt/C.
HCN-900
exhibits
an
onset
potential
0.98
V
a
half-wave
0.85
ORR,
closely
matching
Pt/C
while
achieving
electron
transfer
number
4.0,
indicative
four-electron
pathway.
For
OER,
achieves
current
density
10
mA
cm⁻
2
at
overpotential
223
mV,
significantly
lower
than
(288
mV)
(363
mV).
The
material
also
shows
Tafel
slope
87
mV
dec⁻¹,
indicating
rapid
kinetics
efficient
transfer.
impressive
is
attributed
to
optimized
structural
electronic
properties
HCN-900,
including
its
high
surface
area,
porosity,
nitrogen
doping,
which
enhance
active
site
promote
transport.
Furthermore,
retains
approximately
96.72%
initial
after
h
continuous
operation,
excellent
long-term
stability.
comprehensive
analysis
highlights
as
promising
bifunctional
catalyst
advanced
energy
applications,
providing
cost-effective
sustainable
alternative
conventional
catalysts.
Its
superior
make
candidate
integration
into
next-generation
conversion
storage
systems.
Язык: Английский
Tailoring Iron hexadecafluorophthalocyanine/GO nanocomposite separators for polysulfide adsorption and enabling fast electrochemical kinetics of Li-S batteries
Journal of Alloys and Compounds,
Год журнала:
2024,
Номер
unknown, С. 176687 - 176687
Опубликована: Сен. 1, 2024
Язык: Английский
Formation of Ni‐MOF Derived Nickel Sulfides as Efficient Electrocatalysts for Oxygen Evolution Reaction Through Optimizing the Sulfur Sources Selection
ChemistrySelect,
Год журнала:
2024,
Номер
9(37)
Опубликована: Окт. 2, 2024
Abstract
Developing
low‐cost
and
exceedingly
efficient
electrocatalysts
for
oxygen
evolution
reaction
(OER)
is
vital
application
of
hydrogen
production
from
water
splitting.
Herein,
three
different
nickel
sulfides
on
foam
were
fabricated
via
a
simple
sulfuring
the
as‐formed
Ni‐MOF
with
sulfide
as
sulfur
source.
The
effect
source
OER
performance,
morphology
structure
as‐prepared
product
are
well
discussed.
optimized
Ni‐MOF/NF‐SS
deliver
overpotentials
253
330
mV
to
reach
current
densities
10
100
mA
cm
−2
small
Tafel
slope
70.9
mVdec
−1
,
stability
over
50
h.
This
work
provides
insights
into
relationship
between
activity
structures
sulfides,
but
also
affords
new
route
fabricate
sulfides‐based
OER.
Язык: Английский