Molecules,
Journal Year:
2025,
Volume and Issue:
30(3), P. 697 - 697
Published: Feb. 5, 2025
Phthalic
acid
esters
(PAEs),
ubiquitous
semi-volatile
organic
compounds
(SVOCs)
in
indoor
environments,
pose
adverse
effects
on
human
health.
However,
their
degradation
mechanisms
and
pathways
remain
unclear.
Herein,
we
developed
an
efficient
photothermal
catalyst
by
introducing
defects
(oxygen
vacancies,
OVs)
TiO2
(P25)
surfaces
via
electron
beam
irradiation
technology
with
different
doses
(100,
300,
500,
700
kGy).
The
was
employed
as
a
support
to
prepare
Pt-TiO2
catalysts
for
the
of
di
(2-ethylhexyl)
phthalate
(DEMP)
dimethyl
(DMP),
two
representative
PAEs.
pre-treated
300
kGy
dose
supported
Pt
(Pt-Ti-P-300)
presented
optimal
catalytic
performance
DEMP
DMP
degradation.
Characterization
results
confirmed
that
OVs
were
successfully
introduced
catalysts.
Meanwhile,
induced
expanded
light
absorption
range
improved
generation
separation
photogenerated
carriers,
which
significantly
enhanced
activity
PAE
Importantly,
mechanism
pathway
further
explored
using
situ
diffuse
reflectance
infrared
Fourier
transform
spectroscopy
(DRIFTS)
gas
chromatography–mass
spectrometry
(GC-MS).
These
findings
provide
important
insights
into
irradiation-mediated
regulation
removal
PAEs
environments.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: April 30, 2024
Durable
and
efficient
bi-functional
catalyst,
that
is
capable
of
both
oxygen
evolution
reaction
hydrogen
under
acidic
condition,
are
highly
desired
for
the
commercialization
proton
exchange
membrane
water
electrolysis.
Herein,
we
report
a
robust
L-Ru/HfO
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 8, 2025
The
dual-site
synergistic
catalytic
mechanism
on
NiFeOOH
suggests
weak
adsorption
of
Ni
sites
and
strong
Fe
limited
its
activity
toward
alkaline
oxygen
evolution
reaction
(OER).
Large-scale
density
functional
theory
(DFT)
calculations
confirm
that
Co
doping
can
increase
adsorption,
while
the
metal
vacancy
reduce
adsorption.
combined
two
factors
further
modulate
atomic
environment
optimize
free
energy
oxygen-containing
intermediates,
thus
enhancing
OER
activity.
Accordingly,
we
used
Cr
vacancies
to
fabricate
an
amorphous
catalyst
VCr,Co-NiFeOOH.
It
provides
overpotential
239
mV
at
100
mA
cm–2
high
stability
over
500
h
with
a
∼98%
potential
retention.
resulting
water
electrolyzer
based
anion
exchange
membrane
(AEM)
exhibits
remarkable
performance
1
A
1.68
V
in
M
KOH.
XPS,
soft-XAS,
XANES
Bader
charge
analysis
results
reveal
regulation
local
microenvironment
valence
state
by
doping,
improving
sites.
alleviate
DFT
effect
redistribute
Ni/Fe
sites,
d-band
center
Fe,
endow
Ni–Fe
dual
barrier
rate-determining
step.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(3), P. 697 - 697
Published: Feb. 5, 2025
Phthalic
acid
esters
(PAEs),
ubiquitous
semi-volatile
organic
compounds
(SVOCs)
in
indoor
environments,
pose
adverse
effects
on
human
health.
However,
their
degradation
mechanisms
and
pathways
remain
unclear.
Herein,
we
developed
an
efficient
photothermal
catalyst
by
introducing
defects
(oxygen
vacancies,
OVs)
TiO2
(P25)
surfaces
via
electron
beam
irradiation
technology
with
different
doses
(100,
300,
500,
700
kGy).
The
was
employed
as
a
support
to
prepare
Pt-TiO2
catalysts
for
the
of
di
(2-ethylhexyl)
phthalate
(DEMP)
dimethyl
(DMP),
two
representative
PAEs.
pre-treated
300
kGy
dose
supported
Pt
(Pt-Ti-P-300)
presented
optimal
catalytic
performance
DEMP
DMP
degradation.
Characterization
results
confirmed
that
OVs
were
successfully
introduced
catalysts.
Meanwhile,
induced
expanded
light
absorption
range
improved
generation
separation
photogenerated
carriers,
which
significantly
enhanced
activity
PAE
Importantly,
mechanism
pathway
further
explored
using
situ
diffuse
reflectance
infrared
Fourier
transform
spectroscopy
(DRIFTS)
gas
chromatography–mass
spectrometry
(GC-MS).
These
findings
provide
important
insights
into
irradiation-mediated
regulation
removal
PAEs
environments.
