ACS Applied Energy Materials,
Journal Year:
2022,
Volume and Issue:
5(9), P. 11002 - 11017
Published: Aug. 16, 2022
The
rational
design
of
hierarchical
In2O3/MIIIn2S4
(MII:
Ca,
Mn,
and
Zn)
hollow
tubular
(HT)
heterostructures
was
successfully
performed
by
the
preferential
growth
ternary
metal
sulfide
(MIIIn2S4)
two-dimensional
(2D)
nanosheets
on
MIL-68(In)
metal–organic
framework
(MOF)
derived
In2O3
using
a
facile
low-temperature
reflux
reaction.
efficiency
HT-In2O3/MIIIn2S4
binary
heterojunctions
studied
for
photocatalytic
activation
small
atmospheric
molecules.
ultrafast
interfacial
charge
migration,
better
photoexcited
separation,
significantly
improved
H2,
NH3,
H2O2
production
could
be
attributed
to
narrow
band
gap
energy
MIIIn2S4
S-scheme
electron
migration
mechanism
between
components
in
heterostructures.
Thanks
its
structural
compositional
advantages,
optimal
(1:1)
heterostructure
photocatalysts
exhibited
outstanding
hydrogen
evolution
reaction
nitrogen
oxygen
reduction
activity
under
visible-light
illumination.
Among
hetrostructures,
HT-In2O3/ZnIn2S4
photocatalyst
displayed
highest
generation
(5331,
870,
5716
μmol
g–1
h–1)
with
conversion
34%,
6.5%,
0.291%,
respectively.
This
study
offers
comprehensive
analysis
how
coupling
three
different
d0,
d5,
d10
chalcogenides
HT-In2O3
affects
production.
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: May 28, 2023
Although
multifunctional
aerogels
are
expected
to
be
used
in
applications
such
as
portable
electronic
devices,
it
is
still
a
great
challenge
confer
multifunctionality
while
maintaining
their
inherent
microstructure.
Herein,
simple
method
proposed
prepare
NiCo/C
with
excellent
electromagnetic
wave
absorption
properties,
superhydrophobicity,
and
self-cleaning
by
water-induced
NiCo-MOF
self-assembly.
Specifically,
the
impedance
matching
of
three-dimensional
(3D)
structure
interfacial
polarization
provided
CoNi/C
well
defect-induced
dipole
primary
contributors
broadband
absorption.
As
result,
prepared
have
width
6.22
GHz
at
1.9
mm.
Due
presence
hydrophobic
functional
groups,
improve
stability
humid
environments
obtain
hydrophobicity
large
contact
angles
>
140°.
This
aerogel
has
promising
absorption,
resistance
water
or
environments.
Langmuir,
Journal Year:
2022,
Volume and Issue:
38(5), P. 1766 - 1780
Published: Jan. 26, 2022
A
mixed-valency
bimetallic
Ce/Zr
MOF
with
Ce3+/Ce4+
ions
incorporated
and
an
oxygen
vacancy-rich
single-component
photocatalyst
have
been
designed
through
the
one-step
solvothermal
route
to
harness
photons
from
visible-light
spectrum
for
green
energy
(H2)
generation
ciprofloxacin
(CIP)
degradation.
The
one-pot-engineered
shows
visible-light-active
characteristics
accompanied
by
a
narrower
band
gap,
along
enhanced
exciton
separation
superior
ligand-to-metal
charge
transfer
(LMCT),
due
presence
of
interconvertible
pair
in
comparison
its
pristine
counterpart.
Ce
ion
insertion
led
increase
electron
density
around
Zr4+
ion,
some
vacancies
(OV),
which
cumulatively
rise
photo-reaction
output.
synthesized
UNH
(Ce/Zr
1:1)
displayed
boosted
photocatalytic
H2
production
rate
468.30
μmol
h-1
(ACE
=
3.51%),
is
fourfolds
higher
than
that
MOFs.
Moreover,
CIP
photodegradation,
efficiency
90.8%
follows
pseudo-first-order
kinetics
constant
0.0363.
Typically,
active
species
involved
photo-redox
reaction
photodegradation
order
hydroxyl
radical
(OH•)
<
superoxide
(O2•-),
as
confirmed
TA
NBT
tests.
Consequently,
can
be
readily
employed
robust
tendencies
towards
degradation
evolution.
Environmental Science Water Research & Technology,
Journal Year:
2023,
Volume and Issue:
9(3), P. 669 - 695
Published: Jan. 1, 2023
Water
pollution
has
become
one
of
the
most
important
global
environmental
problems,
wherein
various
toxic
and
persistent
organic
pollutants
in
water
pose
a
major
threat
to
environment.
Langmuir,
Journal Year:
2023,
Volume and Issue:
39(22), P. 7707 - 7722
Published: May 22, 2023
The
fabrication
of
defect
rich
S-scheme
binary
heterojunction
system
with
enhanced
space
charge
separation
and
mobilization
is
a
pioneering
approach
for
improving
photoreduction
efficiency
towards
the
production
value
added
chemicals.
Herein,
we
have
rationally
fabricated
an
atomic
sulfur
defect-rich
hierarchical
UiO-66(-NH2)/CuInS2
n-p
by
uniform
dispersion
UiO-66(-NH2)
(UN66)
nanoparticles
over
surface
CuInS2
nanosheets
under
mild
conditions.
designed
heterostructures
are
characterized
using
different
structural,
microscopic,
spectroscopic
techniques.
(CIS)
component
shows
defects
leading
to
creation
more
exposed
active
sites
improved
absorption
visible
light
augmented
diffusion
carriers.
photocatalytic
performance
prepared
materials
explored
N2
fixation
O2
reduction
reactions
(ORR).
optimal
UN66/CIS20
heterostructure
photocatalyst
exhibited
outstanding
performances
yields
398
4073
μmol
g-1
h-1
illumination,
respectively.
An
migration
pathway
coupled
radical
generation
ability
accounted
superior
H2O2
activity.
This
research
work
furnishes
new
perspective
on
synergistic
effect
vacancy
toward
NH3
vacancy-rich
photocatalyst.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(18), P. 9378 - 9418
Published: Jan. 1, 2024
Organic
transformation
by
light-driven
catalysis,
especially,
photocatalysis
and
photothermal
denoted
as
photo(thermal)
is
an
efficient,
green,
economical
route
to
produce
value-added
compounds.
In
recent
years,
owing
their
diverse
structure
types,
tunable
pore
sizes,
abundant
active
sites,
metal-organic
framework
(MOF)-based
catalysis
has
attracted
broad
interest
in
organic
transformations.
this
review,
we
provide
a
comprehensive
systematic
overview
of
MOF-based
for
First,
the
general
mechanisms,
unique
advantages,
strategies
improve
performance
MOFs
are
discussed.
Then,
outstanding
examples
transformations
over
introduced
according
reaction
type.
addition,
several
representative
advanced
characterization
techniques
used
revealing
charge
kinetics
intermediates
presented.
Finally,
prospects
challenges
field
proposed.
This
review
aims
inspire
rational
design
development
materials
with
improved
catalysis.