Inorganic Chemistry,
Год журнала:
2024,
Номер
63(22), С. 10358 - 10365
Опубликована: Май 20, 2024
Core–shell
nanocrystals
(C–S
NCs)
are
an
essential
class
of
materials
whose
structural
engineering
has
attracted
wide
attention
due
to
their
tunable
optical
and
electrical
properties,
especially
noble
metal@semiconductor
(NMS)
C–S
NCs
with
flexible
plasmon-exciton
coupling.
Due
diverse
critical
applications,
aqueous
biological
herein
we
propose
topological
strategy
enabled
by
cation
exchange
reactions
(CER)
synthesize
various
plasmonic
Au@semiconductor
NCs,
in
which
environmentally
friendly
triphenylphosphine
(TPP)
is
used
as
initiator
instead
inflammable
tributyl
phosphine
(TBP).
The
introduction
the
milder,
solid
TPP
facilitated
a
new
CER
for
synthesizing
tailored
chalcogenide
compositions
morphologies.
For
example,
as-synthesized
Au@ZnS
NRs
had
better
absorption
biocompatibility
exhibited
excellent
photodynamic
therapy
efficacy.
ACS Energy Letters,
Год журнала:
2025,
Номер
unknown, С. 1347 - 1356
Опубликована: Фев. 23, 2025
Plasmonic
metal/semiconductor
hetero-nanostructures
have
attracted
tremendous
research
interests
in
optoelectronic
devices,
photocatalysis
and
photothermal
therapy,
related
fields.
Among
various
mechanisms
of
localized
surface
plasmon
resonance
(LSPR)
induced
enhancements,
the
mechanism
LSPR-induced
hot
carrier
injection
has
emerged
as
a
particularly
powerful
efficient
process
for
modulating
charge
dynamics,
especially
photocatalysis.
The
efficiency
these
injections
relies
on
robust
metal–semiconductor
interfaces,
with
performance
heavily
influenced
by
composition,
crystallinity,
atomic
structure
multi-interfaces
involved.
This
letter
explores
injection,
highlighting
recent
advances
emphasis
multi-interfacial
engineering
to
optimize
dynamics
utilization.
These
interface-regulated
processes,
combined
enhanced
photocatalytic
performance,
provide
new
opportunities
further
advanced
wide
range
photoelectric
conversion
applications.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 2, 2024
Abstract
Exploring
photothermal
nanomaterials
is
essential
for
new
energy
and
biomedical
applications;
however,
preparing
materials
with
intense
absorption,
highly
efficient
light‐to‐heat
conversion,
enhanced
photostability
still
faces
the
enduring
challenge.
Herein,
study
synthesizes
atomic‐thin
(≈1.6
nm)
2D
copper
sulfide
(AT‐CuS)
plasmonic
nanocrystals
find
its
extraordinary
conversion
efficiency
(PCE)
reaching
up
to
94.3%
at
second
near‐infrared
(NIR‐II)
window.
Photophysical
mechanism
studies
reveal
that
strong
localized
surface
plasmon
resonance
(LSPR)
out‐of‐plane
size
effect
of
AT‐CuS
induce
optical
absorption
non‐equilibrium
carrier
scattering,
resulting
in
a
significant
carrier‐phonon
coupling
(7.18
×
10
17
J
K
−1
s
m
−3
),
ultimately
enhancing
heat
generation.
Such
nanomaterial
demonstrates
leastmes
stronger
NIR‐II
photoacoustic
(PA)
signal
intensity
than
most
commonly
used
miniature
gold
nanorods,
together
greater
biocompatibility
photo‐/thermal‐stability,
enabling
noninvasive
PA
imaging
brain
microvascular
living
animals.
This
work
provides
an
insight
into
rational
exploration
superb
agents
future
practical
utilizations.
Achieving
precise
control
over
the
construction
of
efficient
charge
transport
channels
through
self-assembly
engineering
represents
a
highly
effective
strategy
for
synthesis
organic
supramolecular
photocatalysts.
Herein,
tetragonal
zinc
meso-5,10,15,20-tetra(4-pyridyl)
porphyrin
(ZnTPyP)
nanorods
(T-ZnTPyPs)
and
hexagonal
ZnTPyP
nanowires
(H-ZnTPyPs)
were
synthesized
by
varying
assembly
temperature.
H-ZnTPyPs
demonstrated
photocatalytic
hydrogen
production
rate
(183
mmol/g/h)
that
was
14.62
times
greater
than
T-ZnTPyP
(13
mmol/g/h).
This
significantly
enhanced
activity
is
primarily
attributed
to
distinct
well-defined
molecular
arrangements
H-ZnTPyPs,
which
support
continuous
linear
long-range
electron
transfer
pathways
π-π
stacking.
Conversely,
heat
manipulation
used
in
T-ZnTPyPs
limits
participation
water
molecules
crystalline
stacking
arrangements,
leading
lattice
distortions
disrupt
interactions
impede
pathways.
research
presents
novel
modulating
optimize
Journal of Materials Chemistry A,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
A
magnetic
Au/FeO
x
S
y
catalyst
with
bidirectional
S-bridge
coordination
was
prepared
for
the
selective
catalytic
oxidation
of
5-hydroxymethylfurfural
under
mild
conditions.
