Weak Sunlight Responsive Photocatalytic Degradation Via Synergy of Oxygen Vacancies and S-Type Heterojunctions in G-C3n4-Zn2sno4
Опубликована: Янв. 1, 2025
Язык: Английский
Low-temperature synthesis of Cs2BaBr4 microcrystals via Water-Assisted Solid-State Reaction for low-dose X-ray sensing
Materials Science in Semiconductor Processing,
Год журнала:
2025,
Номер
194, С. 109528 - 109528
Опубликована: Апрель 7, 2025
Язык: Английский
Plasmonic Au Grid–CdSe Heteropatterned Film by Topochemistry and CdCl2 Surface Passivation for Photoelectrochemical Hydrogen Evolution
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.
Язык: Английский
Weak sunlight responsive photocatalytic degradation via synergy of oxygen vacancies and S-scheme heterojunctions in g-C3N4-Zn2SnO4
Journal of Photochemistry and Photobiology A Chemistry,
Год журнала:
2025,
Номер
unknown, С. 116448 - 116448
Опубликована: Апрель 1, 2025
Язык: Английский
Metal Halide Perovskites for Applications in Biomimetic Devices
Inorganics,
Год журнала:
2024,
Номер
12(12), С. 312 - 312
Опубликована: Ноя. 28, 2024
Metal
halide
perovskites
have
demonstrated
exceptional
multifunctionality,
finding
applications
in
photovoltaics,
light-emitting
devices
and
sensors,
which
has
stimulated
intense
research
interest.
Recently,
their
integration
into
biomimetic
emerged
as
a
promising
frontier,
exploiting
the
unique
optoelectronic
properties
of
to
mimic
biological
functions.
This
review
provides
comprehensive
analysis
recent
advances
use
metal
for
applications,
focusing
on
role
different
device
configurations
fabrication
techniques.
We
elucidate
mechanisms
that
drive
performance
demonstrate
potential
versatile
materials
high
devices.
By
exploring
intricate
interplay
between
material
functionality,
we
highlight
transformative
creating
more
efficient,
adaptable
biologically
inspired
technologies.
Finally,
discuss
future
directions
maximise
application
scope,
with
aim
bridging
science
bioengineering
innovative
development.
Язык: Английский
The ultralow thermal conductivity of Cs2SnI6 by filling interstitial voids with Mg2+ ions
Journal of Applied Physics,
Год журнала:
2024,
Номер
136(22)
Опубликована: Дек. 12, 2024
Metal
halide
perovskites
(MHPs)
have
received
considerable
attention
due
to
their
intrinsically
disordered
structures,
leading
abnormally
low
thermal
conductivity,
which
is
beneficial
for
energy
harvesting
applications.
Compared
with
organic–inorganic
hybrid
MHPs,
all
inorganic
MHPs
exhibit
better
stability,
but
conductivity
relatively
high,
about
twice
that
of
MHPs.
In
this
study,
we
investigate
an
all-inorganic
vacancy-ordered
double
perovskite,
Cs2SnI6,
characterized
by
a
cage-like
structure
octahedral
interstitial
radius
approximately
1.638
Å,
allowing
the
accommodation
various
metal
ions.
We
successfully
introduced
Mg2+
ions
as
guest
fillers
into
interstices
Cs2SnI6.
The
weak
ionic
bonds
formed
in
these
oversized
induce
vibrations
enhance
atomic
disorder
and
anharmonicity
within
structure.
As
result,
achieved
exceptionally
κ
=
0.11
W
m−1
K−1
at
room
temperature
Mg0.102Cs2SnI6,
representing
21%
reduction
compared
undoped
sample
marking
one
lowest
values
reported
This
research
offers
novel
approach
effectively
regulate
significantly
reduce
Язык: Английский