The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
128(47), P. 20140 - 20147
Published: Nov. 14, 2024
In
this
study,
trimetallic
Au@PdPt
nanoparticles
(NPs)
were
synthesized
by
a
seed-mediated
technique,
possessing
hexoctahedral
(HOH)
Au
core
with
branched
PdPt
alloy
shell.
The
fabrication
process
involved
the
synthesis
of
HOH
NPs
exhibiting
high-index
{651}
facet
as
nanotemplates,
followed
epitaxial
growth
Pd
and
Pt
on
these
to
yield
NPs.
size
composition
well
thickness
shells
(from
2
4,
5,
8
nm)
can
be
precisely
adjusted
varying
quantity
precursors.
catalytic
efficacy
was
significantly
enhanced
through
synergistic
effect
between
Au,
Pd,
Pt,
along
increased
contact
areas
afforded
multibranched
shells.
For
methanol
electro-oxidation,
activity
depends
content
showing
distinctive
volcano-type
pattern.
Remarkably,
[email protected]
demonstrate
optimum
performance
for
oxidation
in
acidic
conditions,
superior
electrocatalytic
properties
compared
commercial
black
catalysts.
Their
ECSA
value,
mass,
specific
activities
are
47.21
m2
g–1,
0.93
A
mg–1,
1.97
mA
cm–2,
respectively.
This
research
exploited
fabricate
catalysts
exceptional
designing
controlling
size,
morphology
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(13), P. 7078 - 7086
Published: March 21, 2024
The
correlation
between
structure
and
properties
in
the
photodegradation
reaction
of
bismuth
oxychloride
(BiOCl)
was
explored
this
work.
Three
BiOCl
samples
with
different
sizes,
morphological
structures,
defects
were
prepared
through
a
hydrothermal
method
experimental
manipulation.
Their
structural
comprehensively
characterized
using
X-ray
diffraction,
scanning
electron
microscopy,
transmission
spin
resonance,
photoelectron
spectroscopy,
Fourier
transform
infrared
ultraviolet–visible
diffuse
reflectance
photoluminescence.
Taking
tetracycline
hydrochloride
(TC-HCl)
as
probe
reaction,
we
found
that
high
activity
could
be
achieved
by
decreasing
their
crystal
size
thickness,
introducing
proper
structure,
assembling
nanosheets
to
get
microball
structure.
Combined
radical-scavenge
experiments
resonance
(ESR)
spin-trap
spectra,
conclude
̇O2–
dominant
reactive
oxygen
species
for
degradation
reaction.
detailed
pathway
TC-HCl
further
analyzed
liquid
chromatography–mass
spectrometry.
This
work
explores
structure–property
provides
strategies
rational
design
active
photocatalysts
water
remediation.
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(26), P. 13331 - 13338
Published: June 14, 2024
Molecular
doping
is
an
innovative
approach
to
modify
the
electronic
configuration
of
carbon
nitride
(CN)
photocatalysts,
enhancing
visible
light
absorption
and
optimizing
recombination
electron–hole
pairs
in
photocatalytic
H2
generation.
Unlike
conventional
heteroatom
incorporation
strategy,
molecular
offers
a
more
effective
means
structure
optimization
conjugated
framework.
This
Perspective
studies
recent
advancements
benzene-ring
for
CN,
emphasizing
correlation
between
activity.
The
advantages
disadvantages
CN
are
thoroughly
demonstrated,
underscoring
importance
utilizing
fine-tune
both
physical
structures
enhanced
efficacy.
Insights
provided
on
strategies
address
limitations
explore
new
prospects
field
methodologies.
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(12), P. 6562 - 6570
Published: March 12, 2024
Cross-linking
with
functional
molecular
species
in
polymeric
carbon
nitride
(PCN)
could
offer
a
positive
strategy
that
tunes
its
structure
excellent
conductivity
to
improve
photocatalytic
activity.
Herein,
the
benzene
ring-cross-linked
photocatalyst
is
obtained
via
polymerization
of
urea,
melamine,
and
trimesic
acid.
Benzene
PCN
narrows
band
gap
augments
push–pull
effect
carriers,
thus
enhancing
visible
light
harvesting
transfer
easiness
photogenerated
electron/hole
pairs.
Notably,
amount
acid
was
optimized
during
preparation
(marked
as
01T/A-CN,
02T/A-CN,
03T/A-CN).
Among
them,
02T/A-CN
achieved
an
hydrogen
production
rate
1931
μmol/h·g,
which
higher
than
CN
under
beyond
most
reported.
Theoretical
calculations
further
confirmed
introduction
ring
significantly
reduces
PCN,
bringing
delocalized
electron,
longer
intramolecular
electron
transition
distance,
bending.
All
those
factors
made
improved
irradiation.
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(4), P. 1740 - 1747
Published: Jan. 22, 2024
In
this
work,
a
facile
method
to
tune
the
carbon
dioxide
(CO2)
reduction
reaction
(CRR)
activities
of
graphitic
nitride
(GCN)
was
developed
via
capping-agent-free
involvement
trace
amount
Ag
nanocrystals
with
decreased
size.
After
optimization
experimental
conditions,
CRR
performance
investigation
confirms
that
Ag-GCN-0.2
exhibited
superior
performance,
achieving
faradaic
efficiency
(FE)
more
than
72
±
1%
for
CO
in
wide
potential
range
from
−0.6
−1.1
V
(vs
reversible
hydrogen
electrode
(RHE))
and
max
FE
89
at
an
overpotential
0.9
constant
current
density
well-maintained
microstructure
even
after
12
h
electrolysis.
This
work
provides
new
route
catalytical
GCN
pave
way
rational
design,
synthesis,
accurate
estimation
GCN-based
catalysts,
which
will
be
synthesized
on
large
scale
utilized
industries.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(3), P. 3361 - 3372
Published: Jan. 27, 2024
Developing
efficient
nanosized
electrocatalysts
is
crucial
for
driving
the
urea
oxidation
reaction
(UOR)
and
conversion.
Atomically
dispersed
metal
atoms
in
two-dimensional
materials
have
shown
promising
performance
various
electrocatalytic
reactions.
However,
potential
UOR
effect
of
anchoring
type
on
their
activity
not
been
fully
explored.
Herein,
we
designed
two
types
Ni
atom-anchoring
C2N
electrocatalysts:
doping
(Ni–C2N)
adsorbing
(Ni/C2N),
compared
activities
by
density
functional
theory
calculations.
The
investigation
structural
electronic
properties
revealed
origin
difference
both
models.
Consequently,
Ni/C2N
doped
with
Ni–N
coordination
bonds
exhibited
higher
catalytic
than
that
sample
due
to
its
conductivity,
favorable
structure,
charge
transfer
N–H-containing
intermediates,
hence
enhancing
adsorption
dehydrogenation
key
intermediates.
Moreover,
demonstrated
can
be
further
improved
introducing
a
second
atom
hole
C2N.
This
study
offers
valuable
theoretical
understanding
design
atomically
catalysts
UOR.
IEEE Sensors Journal,
Journal Year:
2023,
Volume and Issue:
24(4), P. 4221 - 4227
Published: Dec. 29, 2023
The
accurate
determination
of
urea
in
wastewater
is
crucial
for
environmental
and
health
monitoring
due
to
its
potential
cause
eutrophication.
To
address
this,
we
proposed
a
simple
efficient
method
synthesizing
platinum–nickel
alloyed
nanoparticles
(PtNi
NPs)
using
one-pot
solvothermal
approach
glucose
as
the
reducing
agent
determination.
Experimental
results
demonstrated
that
PtNi
NPs
exhibit
abundant
active
sites
facilitate
electrooxidation
(UEO).
Taking
advantage
developed
novel
enzymatic-free
modified
screen-printed
electrode
electrochemical
sensing.
Then,
performance
as-fabricated
sensor
evaluated
through
cyclic
voltammetry
(CV)
linear
sweep
(LSV)
measurements.
demonstrates
wider
range
$0.1
\mu
\text{M}$
–10
mM
low
limit
detection
(LOD)
notation="LaTeX">$0.015
(
notation="LaTeX">${S}/{N}$
=
3).
excellent
allows
sensor's
application
diluted
tap
water
with
satisfactory
outcomes.
improved
electrocatalytic
UEO
contributes
their
high
activity,
selectivity,
robust
stability.
Furthermore,
this
study
provides
versatile
platform
determining
other
contaminants
treatment
processes.
