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.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
Constructing
patterned
film
photoanodes
with
economizing
raw
chemicals
but
enhancing
photoelectrochemical
(PEC)
performance
is
attractive
for
practical
applications.
However,
simultaneously
optimizing
light
scattering
and
interfacial
charge
transfer
through
plasmonic
enhancement
remains
challenging.
Herein,
we
developed
a
novel
photoanode
featuring
Au
grids
nanometer-thick
CdSe
layer
(Au
grid-CdSe)
well-organized
heterointerfaces,
fabricated
via
facile
colloidal
topochemical
strategy.
This
design
leverages
the
synergistic
coupling
between
plasmons
excitons
in
heteropatterned
films.
The
underlying
serve
dual
functions:
as
an
electron
collector
reflector.
Their
highly
ordered
Bragg
structure
effectively
scatters
incident
into
ultrathin
layer.
Furthermore,
CdCl2
surface
passivation
of
Au(grid)-CdSe
photoanode,
based
on
this
unique
absorption/reflector
architecture,
yielded
photocurrent
density
4.51
mA
cm-2,
representing
significant
enhancement.
Compared
to
similarly
prepared
Au-CdSe
heterofilms,
passivated
films
exhibited
2.0-fold
higher
PEC
hydrogen
evolution
performance,
maintained
excellent
stability
over
26
h,
reduced
consumption
by
32%.
strategy
offers
pathway
improving
semiconductor-based
optoelectronic
devices.
The
key
to
optimizing
photocatalysts
lies
in
the
efficient
separation
and
oriented
migration
of
photogenerated
carriers.
Herein,
we
report
that
breaking
continuous
TiO
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.
