Chemistry - An Asian Journal,
Год журнала:
2023,
Номер
18(9)
Опубликована: Март 15, 2023
Abstract
Catalysis
plays
a
crucial
role
in
all
the
major
applications
and
challenges
environment,
including
energy
generation
environmental
remediation.
Although
photocatalysts
electrocatalysts
are
useful
addressing
issues,
they
have
some
drawbacks,
such
as
low
efficiency
easy
charge
recombination
which
limits
their
applications.
Hence,
it
is
imperative
to
design
explore
new
catalytic
techniques
that
include
non‐photoresponsive
catalysts.
In
this
review,
detailed
possibilities,
characteristics
prospects
of
catalysts,
piezocatalysts,
thermocatalysts,
pyrocatalysts,
tribocatalysts
along
with
hybrid
catalysts
described.
The
overall
mechanism
each
technique
its
different
fields
generation,
remediation,
carbon
dioxide
reduction
discussed.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
62(5)
Опубликована: Ноя. 1, 2022
Abstract
As
a
consequence
of
rapid
industrialization
throughout
the
world,
various
environmental
pollutants
have
begun
to
accumulate
in
water,
air,
and
soil.
This
endangers
ecological
environment
earth,
remediation
has
become
an
immediate
priority.
Among
techniques,
piezocatalytic
which
uniquely
take
advantage
piezoelectric
effect,
attracted
much
attention.
Piezoelectric
effects
allow
pollutant
degradation
directly,
while
also
enhancing
photocatalysis
by
reducing
recombination
photogenerated
carriers.
In
this
Review,
we
provide
comprehensive
summary
recent
developments
techniques
for
remediation.
The
origin
effect
as
well
classification
materials
their
application
are
systematically
summarized.
We
analyze
potential
underlying
mechanisms.
Finally,
urgent
problems
future
development
discussed.
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(52)
Опубликована: Окт. 17, 2022
Abstract
This
study
proposes
a
strategy
based
on
heterovalent
ion
doping
that
gives
rise
to
synergistic
piezo‐phototronic
effect
with
significantly
improved
catalytic
activity
and
leads
selective
enhancement
for
specific
pollutants.
Owing
the
enhanced
light
absorption,
hydrogen
evolution
rates
are
as
high
3704
3178
µmolg
−1
h
in
0.01Li‐doped
BaTiO
3
0.02La‐doped
nanosheets,
respectively,
under
simultaneous
irradiation
by
ultrasound
light,
factor
of
4.6
3.9
times
higher
than
pure
.
The
performance
also
far
exceeds
single
piezocatalysis,
photocatalysis,
or
sum
two
Li/La‐doped
nanosheets
due
effects
piezoelectric
field
promoting
photo‐induced
separation
electron‐hole
pairs.
Further,
carefully
selecting
donor
acceptor
doping,
significant
catalyst
pollutants
is
obtained
controlling
band
structure.
Compared
,
possesses
anionic
dyes
such
Methyl
blue
Malachite
Green,
reaching
0.067
1.379
min
while
exhibits
better
cationic
Rhodamine
B
Orange,
degradation
up
0.274
0.029
respectively.
offers
path
design
efficient
piezocatalysts
applications.
Journal of Advanced Ceramics,
Год журнала:
2023,
Номер
12(9), С. 1685 - 1700
Опубликована: Апрель 24, 2023
The
polarized
electric
field
inside
piezoelectric
materials
has
been
proved
to
be
promising
technique
boost
the
photogenerated
charge
separation.
Herein,
a
novel
flexible
SnFe2O4/ZnIn2S4/PVDF
(P-SZ)
film
piezophotocatalyst
was
successfully
synthesized
by
combining
poly
vinylidene
fluoride
(PVDF),
an
organic
material,
with
SnFe2O4/ZnIn2S4
(SFO/ZIS)
type
II
heterojunction
photocatalyst.
hydrogen
evolution
rate
of
SFO/ZIS
SFO
content
5%
is
about
846.79
μmol
h-1
g-1,
which
3.6
times
higher
than
that
pristine
ZIS.
Further,
after
being
combined
PVDF,
optimum
P-SZ
1652.7
g-1
in
presence
ultrasound,
exceeds
5%SFO/ZIS
approximately
factor
2.0.
Based
on
experimental
results,
mechanism
improved
photocatalytic
performance
proposed
basis
PVDF
and
formed
between
ZIS,
effectively
boosted
separation
photoinduced
charges.
This
work
provides
efficient
strategy
for
multi-path
collection
utilization
natural
solar
vibrational
energy
enhance
photoactivity.
