Arabian Journal for Science and Engineering,
Год журнала:
2023,
Номер
49(1), С. 753 - 764
Опубликована: Ноя. 30, 2023
Abstract
We
present
the
successful
synthesis
of
a
biogenic
ZnO/CuO/Fe
2
O
3
nanocomposite
using
an
aqueous
leaf
extract
Ocimum
Basilicum
L
.
The
confirmation
biosynthesis
was
achieved
through
UV–Visible
spectrophotometry
(UV–Vis),
which
provided
evidence
NC
formation.
Scanning
Electron
Microscopy
further
confirmed
nanoscale
size
NC,
measuring
at
65
nm.
X-Ray
Diffraction
analysis
revealed
hexagonal
structure
for
ZnO
and
monoclinic
CuO.
environmentally
friendly
verified
Fourier
transformed
infrared
(FT-IR)
spectroscopy,
identified
functional
groups
in
composite.
Notably,
demonstrated
exceptional
degradation
capabilities
toluidine
blue
(TB),
p-toluidine
(PT),
m-Toluidine
(MT),
with
rates
99%,
99.1%,
99.7%,
respectively,
within
reaction
time
120
min.
kinetics
followed
pseudo-first
order
model,
rate
constant
(k)
values
0.0314
min
−1
0.0189
TB
PT,
respectively.
This
high
dye
can
be
attributed
to
low
band
gap
determined
1.44
eV
indirect
bandgap.
Furthermore,
exhibited
excellent
reusability,
maintaining
each
cycle.
Sensors and Actuators Reports,
Год журнала:
2022,
Номер
4, С. 100100 - 100100
Опубликована: Апрель 10, 2022
Chemiresistive
gas
sensors
have
been
widely
applied
to
monitor
analytes
of
environmental,
food
and
health
importance.
Among
the
plethora
materials
that
can
be
used
for
designing
chemiresistive
sensors,
ZnO
is
one
most
explored
sensing,
as
this
material
has
a
low-cost,
non-toxic
easily
obtained
through
standard
chemical
synthesis.
Adding
this,
form
heterostructures
capable
improve
sensor
performance
regarding
sensitivity,
selectivity
stability.
Moreover,
also
contribute
lower
operating
temperature
since
synergistic
effects
amplify
signal.
In
review,
we
survey
recent
advances
on
different
types
ZnO-based
focusing
how
morphology
structure
these
influence
response.
Challenges
future
perspectives
are
discussed.
Materials Today,
Год журнала:
2021,
Номер
50, С. 533 - 569
Опубликована: Авг. 9, 2021
As
bioapplications
of
0D
and
1D
zinc
oxide
(ZnO)
seem
a
recent
development,
they
have
brought
many
exciting
proposals
showing
exquisite
signs
as
sensors
assay
platforms
offering
biomolecular
selectivity
sensitivity
for
cancer
diagnosis
treatment.
Cancer
researchers
are
looking
diagnostic
molecular
instruments
to
identify
the
cancer-causing
agents
subtle
shifts.
The
inclusion
high-performance
ZnO
materials
due
their
intrinsic
properties
such
viability,
bio-acceptability,
high
isoelectric
point,
tunable
morphology,
etc.,
is
promising
targeted
detection
treatment
processes.
More
specifically,
nanowires
(NWs)
offered
opportunity
yield
new
types
approaches
against
in
contrast
counterparts.
ability
NW
features
(i.e.,
biomarker)
integration
portability
has
potential
revolutionize
patient
health
monitoring
timely
efficiently.
Despite
being
robust,
based
on
surface
chemistry
eco-friendly,
scalable
opportunities
yet
be
explored.
This
review
considers
captivating
research
advances
understand
fundamental
examine
various
biosensing
nanomedicine
(via
performing
drug
delivery
or
therapeutic)
aspects
utilizing
them
while
paying
attention
different
size
regimes
NWs.
role
biosensors,
capture
devices,
cell
imaging
complexes,
addressed
bases
controlled
functions
enhanced
adsorption,
reactivity,
chemistry,
cytotoxicity,
biocompatibility
biological
systems
models.
With
comparative
viewpoint,
nanostructures
going
emerge
breakthrough
candidates
diagnostics
effectively
Catalysts,
Год журнала:
2023,
Номер
13(7), С. 1102 - 1102
Опубликована: Июль 14, 2023
Semiconductor-based
photocatalytic
reactions
are
a
practical
class
of
advanced
oxidation
processes
(AOPs)
to
address
energy
scarcity
and
environmental
pollution.
By
utilizing
solar
as
clean,
abundant,
renewable
source,
this
process
offers
numerous
advantages,
including
high
efficiency,
eco-friendliness,
low
cost.
In
review,
we
present
several
methods
construct
various
photocatalyst
systems
with
excellent
visible
light
absorption
efficient
charge
carrier
separation
ability
through
the
optimization
materials
design
reaction
conditions.
Then
it
introduces
fundamentals
photocatalysis
in
both
clean
generation
remediation.
other
parts,
introduce
approaches
enhance
activity
by
applying
different
strategies,
semiconductor
structure
modification
(e.g.,
morphology
regulation,
co-catalysts
decoration,
doping,
defect
engineering,
surface
sensitization,
heterojunction
construction)
tuning
optimizing
conditions
(such
concentration,
initial
contaminant
pH,
temperature,
intensity,
charge-carrier
scavengers).
Then,
comparative
study
on
performance
recently
examined
photocatalysts
applied
production
remediation
will
be
discussed.
To
realize
these
goals,
H2
via
water
splitting,
CO2
reduction
value-added
products,
dye,
drug
photodegradation
lessen
toxic
chemicals,
presented.
Subsequently,
report
dual-functional
for
simultaneous
pollutant
reactions.
brief
discussion
about
industrial
economical
applications
is
described.
The
follows
introducing
application
artificial
intelligence
machine
learning
selection
an
innovative
issues.
Finally,
summary
future
research
directions
toward
developing
significantly
improved
efficiency
stability
provided.
Chemical Reviews,
Год журнала:
2021,
Номер
122(3), С. 3879 - 3965
Опубликована: Дек. 30, 2021
Photocatalysis
is
a
perennial
solution
that
promises
to
resolve
deep-rooted
challenges
related
environmental
pollution
and
energy
deficit
through
harvesting
the
inexhaustible
renewable
solar
energy.
To
date,
cornucopia
of
photocatalytic
materials
has
been
investigated
with
research
wave
presently
steered
by
development
novel,
affordable,
effective
metal-free
semiconductors
fascinating
physicochemical
semiconducting
characteristics.
Coincidentally,
recently
emerged
red
phosphorus
(RP)
semiconductor
finds
itself
fitting
perfectly
into
this
category
ascribed
its
earth
abundant,
low-cost,
nature.
More
notably,
renowned
allotrope
family
spectacularly
bestowed
strengthened
optical
absorption
features,
propitious
electronic
band
configuration,
ease
functionalization
modification
as
well
high
stability.
Comprehensively
detailing
RP's
roles
implications
in
photocatalysis,
review
article
will
first
include
information
on
different
RP
allotropes
their
chemical
structures,
followed
meticulous
scrutiny
properties
such
structure,
charge
carrier
dynamics.
Besides
that,
state-of-the-art
synthesis
strategies
for
developing
various
RP-based
systems
also
be
outlined.
In
addition,
or
other
promoting
applications
discussed
assess
versatility
feasibility
high-performing
system.
Lastly,
facing
photocatalysts
future
directions
included
propel
feasible
considerably
augmented
efficiency.
This
aspires
facilitate
rational
multifunctional
widening
cognizance
engineering
fine-tune
electronic,
optical,
RP.
Advanced Energy Materials,
Год журнала:
2022,
Номер
12(23)
Опубликована: Май 1, 2022
Abstract
The
development
of
robust
nano‐
and
microstructured
catalysts
on
highly
conductive
substrates
is
an
effective
approach
to
produce
active
binder‐free
electrodes
for
energy
conversion
storage
applications.
As
a
result,
nanostructured
with
designs
have
abundant
advantages
that
provide
superior
electrocatalytic
performance;
these
include
more
exposed
sites,
large
surface
area,
strong
adhesion
substrates,
facile
charge
transfer,
high
conductivity,
intrinsic
catalytic
activity,
fine‐tuning
its
electronic
nature
through
nanostructure
modification.
Notably,
the
interface
chemistry
electrocatalyst
plays
significant
role
in
their
optimized
activity
stability.
This
review
provides
overview
recent
progress
catalysts,
such
as
one,
two,
3D
water
splitting
via
hydrogen
evolution
reaction
oxygen
reaction,
beyond.
Furthermore,
this
focuses
current
challenges
synthesis
strategies
electrodes,
focus
impact
functional
property
relationships
enhanced
bifunctional
performance.
Finally,
outlook
future
advances
provided.
Progress in Materials Science,
Год журнала:
2023,
Номер
139, С. 101169 - 101169
Опубликована: Июль 28, 2023
The
excessive
inlet
of
contaminants
into
water
is
affecting
its
quality
adversely
which
not
recommended
for
health.
Therefore,
investigating
economical,
scalable,
efficient,
and
faster
approaches
treatment
crucual.
In
this
direction,
nanostructures
(NSs)
due
to
easy
fabrication
tailored
properties
are
emerging
technology
management
via
detecting,
monitoring,
removing
the
targeted
contaminants.
Among
several
NSs,
metal
oxides
(MO)-NSs
have
performed
desired
sensing
remediation
Considering
state-of-the-art,
review
a
first-time
attempt
explore
design
development
available
smart
MO-NSs
investigated
management.
This
comprehensive
article
presents
careful
critical
discussion
decade
(2011
2022)
advancements
based
on
(via
electrochemical
optical
signalling),
eradication
adsorption,
photocatalytic
degradation,
ultrasound-assisted-catalytic
degradation/adsorption,
ultrafiltration),
simultaneous
detection
pollutants,
disinfection.
Moreover,
challenges
associated
with
focused
state-of-the-art
management,
alternative
approaches,
possible
future
aspects
critically
delineated.
Finally,
project
MO-NSs-based
futuristic
approach
as
green
technologies
deliver
clean
everyone
greatly
contributes
community
concerned
per
United
Nations
Sustainable
Development
Goal
6
(SDG6).
