Piezo-Photocatalytic Flowing Synthesis of Hydrogen Peroxide in Water Using a Piezoelectric Heterojunction
Meiyu Zhang,
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Yushan Jiang,
No information about this author
Fang Chen
No information about this author
et al.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Language: Английский
UTILIZATION OF HYDROGEN PENTOXIDE AND HYDROGEN PEROXIDE IN TRANSPORTATION SECTOR: A COMPREHENSIVE ASSESSMENT STUDY
Assem Abdurakhmanova,
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İbrahim Dinçer
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Computers & Chemical Engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 109088 - 109088
Published: March 1, 2025
Language: Английский
Nitrogen-rich carbon nitride activated peroxymonosulfate for the efficient photodegradation of 2, 4-dichlorophenol: Performance and mechanism insight
Tianyu Zhou,
No information about this author
Siyi Wang,
No information about this author
Meng Tai
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et al.
Environmental Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 121406 - 121406
Published: March 1, 2025
Language: Английский
Molecularly Tunable Donor–Acceptor Integrated Carbon Nitride for Sunlight‐Driven H2O2 Synthesis: Mechanism and Performance Insights
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
Graphite
phase
carbon
nitride
(CN)
emerges
as
a
promising
catalyst
for
sunlight‐driven
H
2
O
synthesis
owing
to
its
merits
of
stable
physicochemical
properties,
distinctive
electronic
structure,
adjustable
bandgap,
etc.,
yet
poor
charge
behavior,
especially
high
carrier
recombination
and
low
migration
rate,
limit
photocatalytic
activity.
Herein,
molecularly
tunable
donor‐acceptor
(D‐A)
integrated
CN
is
fabricated
via
cytosine
doping
combined
with
molten
salt‐assisted
calcination.
The
utilized
achieves
the
highest
H₂O₂
yield
8.07
mmol
g
−1
h
,
which
exceeds
initial
by
factor
40.4,
surpassing
numerous
reported
CN‐based
photocatalysts.
Series
characterizations/tests
(e.g.,
transient
absorption,
steady‐state
SPV
spectra,
KPFM)
theoretical
calculations
HOMO/LUMO,
adsorption
energy)
confirm
that
incorporation
K
+
‐C≡N
pyrimidine
ring
disrupts
symmetry
establishes
D‐A
significantly
augmenting
separation
photogenerated
charges.
capture
experiment
rotating
disk
electrode
test
affirm
two‐step
single
electron
oxygen
reduction
pathway
occurs
in
process
synthesis.
This
work
offers
novel
approaches
profound
revelations
development
Language: Английский
Breakthroughs in Photocatalytic Hydrogen Peroxide Production Through Advanced Mechanisms and Catalytic Systems
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 22, 2025
Abstract
With
the
rapid
development
of
clean
energy,
photocatalytic
hydrogen
peroxide
(H₂O₂)
production
has
emerged
as
a
transformative
strategy
to
decarbonize
chemical
industry,
offering
sustainable
alternative
fossil
fuel‐dependent
anthraquinone
process.
Nevertheless,
in
pathway
H₂O₂
production,
there
are
still
series
negative
issues,
such
insufficient
supply
protons,
difficulty
separating
electron–hole
pair,
and
low
utilization
spatial
reactive
active
sites.
Therefore,
is
an
urgent
need
for
systematic
review
latest
advancements
further
enhance
production.
In
this
review,
three
systems
comprehensively
discussed,
oxygen
reduction
reaction
(ORR)
system
with
without
sacrificial
agents,
water
oxidation
(WOR)
accompanied
by
evolution
reaction,
dual
coupling
ORR
WOR.
By
bridging
molecular‐scale
mechanistic
insights
system‐level
innovation,
not
only
explains
fundamental
mechanisms
but
also
bridges
lab‐scale
breakthroughs
industrial
viability,
positioning
cornerstone
green
chemistry
renewable
energy
storage,
implications
environmental
remediation
carbon‐neutral
synthesis.
Language: Английский
Dual-pathway photosynthesis H2O2 realized by carbon nitride with strong built-in electric field and awakened n-π* electron transition: Based on theoretical calculation guidance
Yuhan Yan,
No information about this author
Tianyu Zhou,
No information about this author
Chunbo Liu
No information about this author
et al.
Chemical Engineering Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 164108 - 164108
Published: May 1, 2025
Language: Английский
Enhancement of Photo‐ and Electrocatalytic H2O2 Production by the Reversible Catechol‐to‐o‐Benzoquinone Transformation in Polydopamine
Yueqing Jia,
No information about this author
Shen Zhao
No information about this author
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(20)
Published: May 1, 2025
Abstract
H
2
O
is
an
environmentally
benign
oxidant
widely
used
in
organic
synthesis,
wastewater
treatment,
disinfection,
and
the
pulp
paper
industry.
While
industrial
anthraquinone
process
enables
large‐scale
production
of
concentrated
(30–70
wt%),
it
remains
energy‐
capital‐intensive
due
to
its
multi‐step
nature,
involving
hydrogenation,
oxidation,
separation,
concentration,
purification.
Consequently,
there
increasing
interest
developing
sustainable
decentralized
methods
for
producing
dilute
(0.1–20
wt%)
directly
from
or
.
Light‐
electricity‐driven
reduction
and/or
oxidation
processes
have
emerged
as
promising
strategies
efficient
cost‐effective
generation.
However,
these
approaches
often
suffer
low
selectivity
competing
side
reactions.
Recent
studies
suggest
that
reversible
catechol‐to‐
o
‐benzoquinone
transformation
polydopamine
(PDA)
can
enhance
photo‐
electrocatalytic
production.
Despite
potential,
underlying
mechanisms
responsible
this
improvement
remain
poorly
understood.
A
deeper
investigation
into
redox
thus
crucial
optimizing
systems.
This
mini‐review
highlights
recent
advances
PDA‐based
catalysts
production,
focusing
on
key
factors
improve
selectivity.
Building
insights,
we
propose
a
generalized
catalyst
design
strategy
achieve
high
such
Language: Английский
Interface Modification of Single Atom‐Nanocluster Synergistic Sites to Break the Activity‐Selectivity‐Stability Trade‐Off in Selective Hydrogenations
Zemin Chen,
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Chufei Wang,
No information about this author
Boning Zhang
No information about this author
et al.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 29, 2025
Abstract
Synergistic
sites
(M
1
+M
n
)
integrating
single
atoms
and
clusters
exhibit
tremendous
promise
for
overcoming
linear
scaling
relationships.
However,
metal
entities
spatial
segregation
within
synergistic
impedes
the
overall
optimization
structure‐property
analysis,
support
interface
of
M
critical
intermediate
adsorption‐transfer
kinetics
has
yet
unexplored.
Here,
first
time,
interfacial
modification
strategy
is
proposed
to
modulate
electronic
structure
sites.
This
systematically
altered
that
Pd
+Pd
from
hydroxyapatite
(HAP)
nitrogen‐doped
carbon‐modified
HAP
(NC/HAP)
pure
NC,
with
all
maintaining
comparable
size
content.
In
semi‐hydrogenation
alkynes,
volcano‐type
correlations
between
varying
interfaces
hydrogenation
activities
are
observed,
peaking
those
supported
on
NC/HAP.
The
obtained
@NC/HAP
exhibits
superior
activity
alkynol‐to‐enol
conversion,
achieving
a
formation
rate
up
3707.7
mol
−1
h
while
97.2%
selectivity.
Comprehensive
investigations
propose
d‐band
center
different
as
descriptor
elucidate
correlation
various
selective
reactions.
Interfacial
can
optimize
their
structure,
adeptly
managing
substrates
adsorption–desorption
kinetic
H‐spillover
segregated
sites,
thereby
breaking
−
activity‐selectivity‐stability
trade‐off.
Language: Английский
Triphase Photocatalysis: Beyond Conventional Diphase Photocatalytic Reactions
A.N. Thakur,
No information about this author
Kajal Chauhan,
No information about this author
Ashish Kumar
No information about this author
et al.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: June 4, 2025
Abstract
Poor
light
absorption,
recombination
of
photogenerated
charges,
low
surface
area,
and
insufficient
catalytically
active
sites
are
the
most
studied
conventional
bottlenecks
photocatalysis
processes,
which
hinder
efficiency
photocatalytic
materials.
However,
there
other
less
factors
such
as
solubility
diffusion
reactants
in
reaction
system,
also
responsible
for
sluggish
kinetics
can
alter
selectivity.
The
diphase
reactions
at
liquid–solid
interface
suffer
from
poor
slow
transport
a
medium.
emerging
triphase
photocatalysis,
occurs
gas–liquid‐solid
liquid–liquid–solid
has
shown
potential
addressing
these
less‐studied
issues
achieved
better
performance
than
reactions.
This
review
article
mainly
focuses
on
understanding
mechanism
basic
difference
between
along
with
requirements
photocatalysis.
Several
examples
including
CO
2
reduction,
N
fixation,
H
O
production,
organic
pollutant
degradation
discussed
detail
this
review.
Finally,
summary
future
directions
field
provided
to
guide
researchers
design
remarkable
systems
excellent
efficiencies.
Language: Английский