Journal of Materiomics,
Год журнала:
2024,
Номер
11(3), С. 100919 - 100919
Опубликована: Июль 27, 2024
In
addressing
the
severe
energy
crisis,
adopting
efficient
and
reliable
strategies
is
crucial.
Photocatalysis
technology,
utilizing
solar
to
convert
it
into
hydrogen,
offers
an
effective
pathway
alleviate
issues.
this
study,
we
have
successfully
developed
TiO2/CdSxSe1–x-Diethylenetriamine
(abbreviated
as
DETA)
nanocomposites
with
S-scheme
heterojunction
structure.
By
precisely
adjusting
value
of
x
(x
=
0,
0.25,
0.50,
0.75
or
1.00),
optimized
charge
transfer
process,
achieving
photocatalytic
hydrogen
evolution
reaction.
Specifically,
sample
containing
20%
(in
mass)
TiO2,
denoted
20-TO,
exhibited
best
activity.
particular,
activity
TiO2/CdS0.25Se0.75-DETA
20-TO/CS0.25E0.75)
reached
32.7
mmol·g–1·h–1,
maintaining
high
performance
over
ten
consecutive
cycles
(totaling
40
h).
We
used
electron
paramagnetic
resonance
(EPR),
ultraviolet-visible
diffuse
reflectance
spectroscopy
(UV-Vis
DRS),
femtosecond
transient
absorption
(fs-TAS)
theoretical
calculations
comprehensively
confirm
that
heterojunctions
in
all
conform
mechanism.
This
mechanism
provides
optimal
path
for
transfer.
Comparative
analysis
through
revealed
efficiency
between
TO
CS0.25E0.75
was
highest,
which
correlates
well
experimental
results
evolution.
innovative
enhances
new
technologies
its
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(11), С. 5269 - 5280
Опубликована: Март 1, 2024
Artificial
photosynthesis
provides
a
sustainable
strategy
for
producing
usable
fuels
and
fine
chemicals
attracts
broad
research
interest.
However,
conventional
approaches
suffer
from
low
reactivity
or
selectivity.
Herein,
we
demonstrate
that
photocatalytic
reduction
of
CO
Journal of Materiomics,
Год журнала:
2024,
Номер
11(3), С. 100919 - 100919
Опубликована: Июль 27, 2024
In
addressing
the
severe
energy
crisis,
adopting
efficient
and
reliable
strategies
is
crucial.
Photocatalysis
technology,
utilizing
solar
to
convert
it
into
hydrogen,
offers
an
effective
pathway
alleviate
issues.
this
study,
we
have
successfully
developed
TiO2/CdSxSe1–x-Diethylenetriamine
(abbreviated
as
DETA)
nanocomposites
with
S-scheme
heterojunction
structure.
By
precisely
adjusting
value
of
x
(x
=
0,
0.25,
0.50,
0.75
or
1.00),
optimized
charge
transfer
process,
achieving
photocatalytic
hydrogen
evolution
reaction.
Specifically,
sample
containing
20%
(in
mass)
TiO2,
denoted
20-TO,
exhibited
best
activity.
particular,
activity
TiO2/CdS0.25Se0.75-DETA
20-TO/CS0.25E0.75)
reached
32.7
mmol·g–1·h–1,
maintaining
high
performance
over
ten
consecutive
cycles
(totaling
40
h).
We
used
electron
paramagnetic
resonance
(EPR),
ultraviolet-visible
diffuse
reflectance
spectroscopy
(UV-Vis
DRS),
femtosecond
transient
absorption
(fs-TAS)
theoretical
calculations
comprehensively
confirm
that
heterojunctions
in
all
conform
mechanism.
This
mechanism
provides
optimal
path
for
transfer.
Comparative
analysis
through
revealed
efficiency
between
TO
CS0.25E0.75
was
highest,
which
correlates
well
experimental
results
evolution.
innovative
enhances
new
technologies
its
