Advanced Powder Materials,
Journal Year:
2024,
Volume and Issue:
3(3), P. 100183 - 100183
Published: Feb. 20, 2024
Devising
exceptional
S-scheme
heterojunction
photocatalysts
utilized
in
annihilating
pharmaceuticals
and
chromium
contamination
is
significant
for
addressing
the
problem
of
global
water
pollution.
In
this
work,
a
chemically
bonded
Mn0.5Cd0.5S/BiOBr
heterostructure
with
oxygen
vacancies
ingeniously
developed
through
facile
in-situ
solvothermal
synthesis.
The
designed
exhibits
eminently
reinforced
photo-activity
destruction
tetracycline
hydrochloride
Cr
(VI)
as
compared
its
individual
components.
This
substantial
photo-redox
performance
amelioration
benefitted
from
creation
an
intense
internal
electric
field
(IEF)
via
supplying
powerful
driving
force
migration
highway
by
interfacial
chemical
bond
to
foster
electron/hole
disintegration.
More
intriguingly,
IEF
at
hetero-interface
drives
fast
consumption
photo-induced
holes
Mn0.5Cd0.5S
photoelectrons
BiOBr,
profoundly
boosting
enrichment
active
photo-carriers
sparing
photo-corrosion
Mn0.5Cd0.5S.
Furthermore,
anti-interference
property
can
work
efficiently
real
matrices.
Multiple
uses
recycled
Mn0·5Cd0·5S/BiOBr
evidence
prominent
robustness
stability.
achievement
indicates
vast
potential
photosystems
structural
defects
design
photo-responsive
materials
effective
wastewater
treatment.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Aug. 15, 2024
Metal-organic
frameworks
(MOFs)
have
been
extensively
considered
as
one
of
the
most
promising
types
porous
and
crystalline
organic-inorganic
materials,
thanks
to
their
large
specific
surface
area,
high
porosity,
tailorable
structures
compositions,
diverse
functionalities,
well-controlled
pore/size
distribution.
However,
developed
MOFs
are
in
powder
forms,
which
still
some
technical
challenges,
including
abrasion,
dustiness,
low
packing
densities,
clogging,
mass/heat
transfer
limitation,
environmental
pollution,
mechanical
instability
during
process,
that
restrict
applicability
industrial
applications.
Therefore,
recent
years,
attention
has
focused
on
techniques
convert
MOF
powders
into
macroscopic
materials
like
beads,
membranes,
monoliths,
gel/sponges,
nanofibers
overcome
these
challenges.Three-dimensional
(3D)
printing
technology
achieved
much
interest
because
it
can
produce
many
high-resolution
with
complex
shapes
geometries
from
digital
models.
this
review
summarizes
combination
different
3D
strategies
MOF-based
for
fabricating
3D-printed
monoliths
applications,
emphasizing
water
treatment
gas
adsorption/separation
Herein,
various
fabrication
such
direct
ink
writing,
seed-assisted
in-situ
growth,
coordination
replication
solid
precursors,
matrix
incorporation,
selective
laser
sintering,
light
processing,
described
relevant
examples.
Finally,
future
directions
challenges
also
presented
better
plan
trajectories
shaping
improved
control
over
structure,
composition,
textural
properties
monoliths.
