Chemical Synthesis,
Journal Year:
2024,
Volume and Issue:
4(3)
Published: Aug. 5, 2024
Titanium
dioxide
(TiO2)
is
one
of
the
optimal
semiconductor
metal
oxide
photocatalysts
with
a
wide
range
application
fields,
such
as
heterogeneous
catalysis,
energy
science,
and
environmental
science.
Solid-state
nuclear
magnetic
resonance
(NMR)
spectroscopy
powerful
tool
for
characterizing
both
structure
dynamics
at
an
atomic-molecular
level
in
catalysts.
In
this
review,
we
first
provide
brief
discussion
on
progress
investigating
structures
titanium
oxygen
bulk
surface
TiO2
by
using
various
solid-state
NMR
techniques.
Advances
understanding
electronic
properties
distinct
features,
including
crystal
facets
heteroatomic
adsorption
chemical
probe-assisted
techniques,
are
secondly
presented.
The
characterization
heteroatom
active
sites
(such
13C,
15N,
11B,
27Al)
their
function
described
detail.
Finally,
critical
discourse
assesses
current
limitations
prospects
its
to
optimization
design
advanced
photocatalysts.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(11), P. 5487 - 5503
Published: Jan. 1, 2024
A
timely
review
on
the
recent
advances
of
metal–organic
framework-based
step-scheme
heterojunctions
with
respect
to
their
synthesis,
structures
and
applications
is
provided.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Abstract
Developing
conductor‐mediated
S‐scheme
heterojunction
photocatalysts
imitating
natural
photosynthetic
systems
emerges
as
a
promising
approach
to
hydrogen
peroxide
(H
2
O
)
production.
However,
achieving
precise
coupling
between
two
semiconductors
with
charge
shuttle
and
modulating
the
interfacial
interactions
still
remain
significant
bottleneck.
Herein,
we
propose
catalyst
architecture
Cd
single
atom
mediated
formed
by
interfacing
CdS
TiO
nanoparticles.
This
exhibits
an
H
production
rate
high
60.33
µmol
g
−1
min
under
UV–vis
light
irradiation,
which
is
attributed
efficient
transport
at
interface
of
thanks
S‐scheme.
In‐situ
X‐ray
photoelectron
spectroscopy
(XPS)
electron
spin
resonance
(ESR)
spin‐trapping
tests
confirm
transfer
route.
Femtosecond
transient
absorption
(fs‐TA)
other
ex‐situ
characterizations
further
corroborate
across
interface.
work
offers
new
perspective
on
constructing
atoms
heterojunctions
enhance
photocatalytic
performance.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 30, 2024
Abstract
Photocatalytic
CO
2
reduction
technology,
capable
of
converting
low‐density
solar
energy
into
high‐density
chemical
energy,
stands
as
a
promising
approach
to
alleviate
the
crisis
and
achieve
carbon
neutrality.
Semiconductor
metal
oxides,
characterized
by
their
abundant
reserves,
good
stability,
easily
tunable
structures,
have
found
extensive
applications
in
field
photocatalysis.
However,
wide
bandgap
inherent
oxides
contributes
poor
efficiency
photocatalytic
reduction.
Defect
engineering
presents
an
effective
strategy
address
these
challenges.
This
paper
reviews
research
progress
defect
enhance
performance
summarizing
classifications,
preparation
methods,
characterization
techniques.
The
focus
is
on
engineering,
represented
vacancies
doping,
for
improving
oxide
photocatalysts.
includes
advancements
expanding
photoresponse
range,
enhancing
photogenerated
charge
separation,
promoting
molecule
activation.
Finally,
provides
summary
current
issues
challenges
faced
along
with
prospective
outlook
future
development
technology.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(21)
Published: Jan. 24, 2024
Abstract
It
is
challenging
to
detect
and
differentiate
multiple
diseases
with
high
complexity/similarity
from
the
same
organ.
Metabolic
analysis
based
on
nanomatrix‐assisted
laser
desorption/ionization
mass
spectrometry
(NMALDI‐MS)
a
promising
platform
for
disease
diagnosis,
while
enhanced
property
of
its
core
nanomatrix
materials
has
plenty
room
improvement.
Herein,
multidimensional
interactive
cascade
nanochip
composed
iron
oxide
nanoparticles
(FeNPs)/MXene/gold
(AuNPs),
IMG,
reported
serum
metabolic
profiling
achieve
high‐throughput
detection
liver
diseases.
MXene
serves
as
multi‐binding
site
an
electron‐hole
source
ionization
during
NMALDI‐MS
analysis.
Introduction
AuNPs
surface
plasmon
resonance
(SPR)
properties
facilitates
charge
accumulation
rapid
energy
conversion.
FeNPs
are
integrated
into
MXene/Au
nanocomposite
sharply
reduce
thermal
conductivity
negligible
heat
loss
strong
thermally‐driven
desorption,
construct
multi‐interaction
proton
transport
pathway
ionization.
Analysis
these
fingerprint
signals
detected
IMG
through
neural
network
model
results
in
differentiation
via
single
pass
revelation
potential
biomarkers.
The
method
can
rapidly
accurately
screen
various
diseases,
thus
allowing
timely
treatment
