Coordination Chemistry Reviews,
Год журнала:
2024,
Номер
514, С. 215900 - 215900
Опубликована: Май 8, 2024
Catalysis
stands
as
a
cornerstone
in
chemical
synthesis,
pivotal
advancing
sustainable
manufacturing
pathways.
The
evolution
from
energy-intensive
to
catalytic
processes
has
marked
transformative
shift,
notably
exemplified
by
low-energy
methods.
These
processes,
operating
under
milder
conditions
and
emphasizing
selectivity
recyclability,
represent
the
forefront
of
chemistry.
This
review
navigates
through
an
array
reactions,
highlighting
their
diverse
applications
culminating
exploration
recent
strides
within
processes.
For
example,
explores
uses
such
enzyme
mimicking,
biodiesel
production,
carbon
dioxide
capture,
organic
synthesis.
Additionally,
it
covers
enzymatic
catalysis
photocatalysis
for
transformations,
energy
applications,
water
treatment.
Notably,
emphasizes
capabilities
single-atom
(SAC)
diatomic
catalysts
(DACs),
recognizing
exceptional
performance
catalyzing
reactions
at
minimal
activation
energies
while
maintaining
high
efficiency
mild
conditions.
By
elucidating
modulation
electronic
structure
offering
microelectronic
perspective,
aims
elucidate
mechanisms
underlying
activity
SAC
DACs.
Emphasizing
interplay
between
coordination
chemistry
principles
efficacy,
elucidates
indispensable
role
complexes
fortifying
sustainability
these
spotlighting
fusion
with
catalysis,
this
underscore
collective
influence
shaping
landscape
production.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Июль 13, 2024
Abstract
This
paper
explores
the
photocatalytic
degradation
of
Reactive
Orange
16
(RO16)
dye
in
textile
wastewater
employing
a
novel
CuO@A-TiO
2
/Ro-TiO
nanocomposite.
The
nanocomposite
was
synthesized
via
hydrothermal
technique,
resulting
monoclinic
phase
leaf-shaped
CuO
loaded
on
hexagonal
wurtzite
structure
rod-shaped
ZnO,
as
confirmed
by
FE-SEM
and
XRD
analyses.
Optical
experiments
revealed
band
gap
energies
1.99
eV
for
CuO,
2.19
3.34
Photocatalytic
showcased
complete
elimination
100
mg/L
RO16
solution
(150
mL)
after
120
min
UV
light
illumination
sunlight
illumination,
emphasizing
nanocomposite's
efficiency
under
both
sources.
study
further
delves
into
application
actual
samples
irradiation.
results
underscore
remarkable
efficacy
treating
wastewater,
positioning
it
promising
candidate
sustainable
efficient
treatment
applications.
research
contributes
valuable
insights
development
advanced
materials
treatment.
Catalysts,
Год журнала:
2024,
Номер
14(8), С. 530 - 530
Опубликована: Авг. 15, 2024
Photocatalytic
processes
offer
promising
solutions
for
environmental
remediation
and
clean
energy
production,
yet
their
efficiency
under
the
visible
light
spectrum
remains
a
significant
challenge.
Here,
we
report
novel
silver–graphene
(Ag-G)
modified
TiO2
(Ag-G-TiO2)
nanocomposite
photocatalyst
that
demonstrates
remarkably
enhanced
photocatalytic
activity
both
dye
wastewater
degradation
hydrogen
production
UV
irradiation.
Through
comprehensive
characterization
performance
analysis,
reveal
Ag-G
modification
narrows
bandgap
from
3.12
eV
to
1.79
eV,
enabling
efficient
absorption.
The
achieves
peak
rate
of
191
μmolesg−1h−1
in
deionized
(DI)
water
solution
light,
significantly
outperforming
unmodified
TiO2.
Intriguingly,
observe
an
inverse
relationship
between
rates
with
tap
versus
DI
water,
highlighting
critical
role
composition
processes.
This
work
not
only
advances
understanding
fundamental
mechanisms
but
also
presents
solar-driven
production.
Ag-G-TiO2
nanocomposite’s
across
spectra,
coupled
its
dual
functionality
evolution,
represents
step
towards
addressing
challenges
treatment
sustainable
generation.
Our
findings
highlight
complex
interplay
absorption
reaction
conditions,
offering
new
insights
optimizing
systems.
research
paves
way
developing
more
versatile
photocatalysts,
potentially
contributing
global
transition
technologies
circular
economy
waste
management
ACS Omega,
Год журнала:
2025,
Номер
10(6), С. 5351 - 5361
Опубликована: Фев. 3, 2025
Photocatalysis
heterogeneous
is
an
essential
method
for
water
treatment.
In
this
study,
a
novel
photocatalytic
erbium-doped
hydroxyapatite-decorated
titanium
dioxide
(TiO2@Er-Hap)
was
obtained
using
the
sol-gel
and
applied
to
remove
ciprofloxacin
(CIP)
drug
methylene
blue
(MB)
dye
contaminants.
The
sample's
structural,
physical,
morphological,
properties
were
investigated.
X-ray
diffraction
(XRD)
confirmed
presence
of
anatase
phase
in
TiO2@Er-Hap.
oxide
nanoparticles
deposited
on
Hap
surface,
proposed
material
presented
band
gap
energy
3.33
eV.
Furthermore,
TiO2@Er-Hap
larger
surface
area
when
compared
with
not
decorated
oxide.
tests
performed
under
ultraviolet
(UV)
irradiation
showed
that
removed
MB
(100%)
CIP
(71.16%),
despite
low
mineralization
evidenced
TOC
analysis.
irradiated
pollutant
solution
after
photocatalysis
process
nontoxic,
as
observed
ecotoxic
test,
indicating
worked.
Inhibitor
•OH
radicals
main
species
involved
performed.
demonstrated
activity
even
five
consecutive
cycles
use.
Finally,
results
suggest
suitable
candidate
decontamination
via
processes.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(8), С. 8464 - 8488
Опубликована: Апрель 12, 2024
Photocathodic
protection
coating
is
an
emerging
anticorrosion
technology
that
combines
the
protective
characteristics
of
and
cathodic
protection.
TiO2
stable
easy
to
prepare;
however,
it
suffers
from
a
low
sunlight
utilization
rate
photoelectric
conversion
efficiency.
The
construction
TiO2-based
heterojunction
coatings
provides
effective
solution
these
challenges.
This
work
summarizes
synthesis
methods
coatings,
explores
charge-transfer
mechanisms
associated
with
various
types
(e.g.,
type
II
heterojunction,
p–n
junction,
Schottky
Z-scheme
heterojunction),
reviews
characterization
used
for
analysis.
Finally,
application
prospects
future
research
directions
are
proposed.
study
will
help
researchers
understand
fabrication
process
in
photocathodic
