Langmuir,
Journal Year:
2023,
Volume and Issue:
39(38), P. 13705 - 13716
Published: Sept. 12, 2023
Constructing
a
nanostructure
with
high
surface
area
and
regulating
the
band
gap
by
nonmetallic
doping
are
two
effective
methods
for
improving
photocatalytic
activity
of
catalysts.
A
green
template-free
synthesis
strategy
S-doped
g-C3N4
nanosheets
is
proposed
via
cystine
as
both
structural
additive
S
source.
The
features
samples
(GCN-x%)
were
systematically
studied,
including
morphology
textural
photoelectric
properties,
which
demonstrated
that
introduction
simple
manipulation
preparation
process
could
realize
self-exfoliation
into
nanosheets.
GCN-3%
sample
showed
(131.88
m2·g-1)
10.7
times
enlarged
compared
bulk
(bulk-phase
carbon
nitride).
Obvious
redshift
on
absorption
edge
induced
can
be
observed,
revealing
narrowed
enhanced
efficiency
photogenerated
charge
carrier
separation.
DFT
calculation
results
also
verified
introduced
C-S
site
lead
to
polarization
local
electric
field
thus
decrease
bandgap
99.3%
degradation
ratio
rhodamine
B
in
60
min
at
rate
0.17
min-1.
By
scavengers
experiment
revealed
superoxide
anion
(·O2-)
radicals
holes
(h+)
vital
active
components
during
degradation.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(27), P. 35024 - 35032
Published: June 27, 2024
Inorganic
metal
sulfides
have
received
extensive
investigation
as
anode
materials
in
lithium-ion
batteries
(LIBs).
However,
applications
of
crystalline
organic
hybrid
LIBs
are
quite
rare.
In
addition,
combining
the
nanoparticles
with
conductive
is
expected
to
enhance
electrochemical
lithium
storage
performance.
Nevertheless,
due
difficulty
harvesting
sulfides,
this
approach
has
never
been
tried
date.
Herein,
a
cadmium
antimony
sulfide
(1,4-DABH2)Cd2Sb2S6
(DCAS)
were
prepared
by
top-down
method,
including
procedures
solvothermal
synthesis,
ball
milling,
and
ultrasonic
pulverization.
Thereafter,
DCAS
sizes
∼500
nm
intercalated
into
graphene
oxide
nanosheets
through
freeze-drying
treatment
DCAS@GO
composite
was
obtained.
Compared
reported
Sb2S3-
CdS-based
composites,
exhibited
superior
Li+
ion
performance,
high
capacity
1075.6
mAh
g–1
at
100
mA
exceptional
rate
tolerances
(646.8
5000
g–1).
can
provide
705.6
after
500
cycles
1000
g–1.
Our
research
offers
viable
for
preparing
proves
that
intercalating
GO
efficiently
boost