Technologies,
Год журнала:
2023,
Номер
11(5), С. 144 - 144
Опубликована: Окт. 17, 2023
Environmental
pollution
poses
a
pressing
global
challenge,
demanding
innovative
solutions
for
effective
pollutant
removal.
Photocatalysts,
particularly
titanium
dioxide
(TiO2),
are
renowned
their
catalytic
prowess;
however,
they
often
require
ultraviolet
light
activation.
Researchers
had
turned
to
doping
with
metals
and
non-metals
extend
utility
into
the
visible
spectrum.
While
this
approach
shows
promise,
it
also
presents
challenges
such
as
material
stability
dopant
leaching.
Co-doping,
involving
both
non-metals,
has
emerged
viable
strategy
mitigate
these
limitations.
Inthe
fieldof
adsorbents,
carbon-based
materials
doped
nitrogen
gaining
attention
improved
adsorption
capabilities
CO2/N2
selectivity.
Nitrogen
enhances
surface
area
fosters
interactions
between
acidic
CO2
molecules
basic
functionalities.
The
optimal
combination
of
an
ultramicroporous
specific
functional
groups
is
key
achievehigh
uptake
values
integration
photocatalysis
processes
in
shown
synergistic
removal
efficiency.
Various
synthesis
methods,
including
sol–gel,
co-precipitation,
hydrothermal
approaches
been
employed
create
hybrid
units
photocatalysts
adsorbents.
progress
made
enhancing
performance
at
laboratory
scale,
persist
transitioning
technologies
large-scale
industrial
applications.
Rigorous
studies
needed
investigate
impact
on
structure
stability,
optimize
process
parameters,
assess
real-world
reactors.
These
advancements
promising
foraddressing
environmental
challenges,
promoting
sustainability,
paving
way
cleaner
healthier
future.
This
manuscript
provides
comprehensive
overview
recent
developments
strategies
offering
insights
potential
revolutionize
remediation
technologies.
Catalysts,
Год журнала:
2022,
Номер
13(1), С. 26 - 26
Опубликована: Дек. 24, 2022
Titanium
dioxide
(TiO2),
one
of
the
most
frequently
used
materials
in
general,
has
emerged
as
an
excellent
photocatalytic
material
for
environmental
applications.
In
this
review,
principles
and
mechanisms
activity
TiO2
have
been
analyzed.
Structural
physical
specificities
nanoparticles,
such
morphology,
crystal
structure,
electronic
optical
properties,
considered
context
A
review
influence
several
factors,
type
dimensions
photocatalyst
particles,
pH
solution,
oxidants/electron
acceptors,
light
intensity
on
properties
TiO2,
provided.
Superhydrophilicity
intrinsic
property
surface
was
discussed
through
reconstruction
during
reversible
hydrophilic
changes.
Additionally,
attention
paid
to
improving
particles
aggregation
agglomeration.
RSC Advances,
Год журнала:
2023,
Номер
13(27), С. 18404 - 18442
Опубликована: Янв. 1, 2023
Photocatalysis
is
a
more
proficient
technique
that
involves
the
breakdown
or
decomposition
of
different
organic
contaminants,
various
dyes,
and
harmful
viruses
fungi
using
UV
visible
light
solar
spectrum.
Metal
oxides
are
considered
promising
candidate
photocatalysts
owing
to
their
low
cost,
efficiency,
simple
fabricating
method,
sufficient
availability,
environment-friendliness
for
photocatalytic
applications.
Among
metal
oxides,
TiO
Journal of Physics D Applied Physics,
Год журнала:
2022,
Номер
55(31), С. 313003 - 313003
Опубликована: Март 25, 2022
Abstract
The
prospect
of
engineering
the
bandgap
in
semiconductor
nanostructures
all
way
from
ultraviolet
to
visible
is
highly
significant
various
applications
such
as
photocatalysis,
sensing,
optoelectronics
and
biomedical
applications.
Since
many
semiconductors
have
their
bandgaps
UV
region,
techniques
are
used
tune
region.
Doping
co-doping
with
metals
non-metals
been
found
be
effective
narrowing
doping
creates
a
continuum
mid-bandgap
states
which
effectively
reduces
bandgap.
Other
than
these
techniques,
modulation
intrinsic
vacancies
an
control
Among
semiconductors,
titanium
dioxide
(TiO
2
)
well-studied
material
for
photocatalytic
TiO
has
oxygen
defects
influence
based
on
its
phase
existence.
generate
unpaired
electrons
associated
Ti
3+
species,
resulting
creation
donor
levels
within
Trivacancies
give
p-type
nature
due
excess
holes
acceptor
existence
defect
appears
narrow
enhances
light
absorption
,
although
effect
apparent
narrowing.
Au,
Ag,
Fe,
Co,
Ni,
Pt
Pd
B,
C,
N,
Br
Cl,
ions
hydrogenation
.
In
this
review,
we
focus
vacancy-modulated
This
review
covers
recent
advancements
Abstract
Drug‐resistant
bacterial
infection
impairs
tissue
regeneration
and
is
a
challenging
clinical
problem.
Metal–organic
frameworks
(MOFs)‐based
photodynamic
therapy
(PDT)
opens
up
new
era
for
antibiotic‐free
treatment.
However,
the
MOF‐based
PDT
normally
encounters
limited
photon
absorbance
under
visible
light
notorious
recombination
of
photogenerated
holes
electrons,
which
significantly
impede
their
applications.
Herein,
MOFs‐based
nanosystem
(AgNPs@MOFs)
with
enhanced
response
charge
carrier
separation
developed
by
modifying
MOFs
silver
nanoparticles
(AgNPs)
to
improve
efficiency.
The
AgNPs@MOFs
performance
irradiation
mainly
disrupt
bacteria
translation
process
metabolism
purine
pyrimidine.
In
addition,
introduction
AgNPs
endows
nanosystems
chemotherapy
ability,
causes
destructive
effect
on
cell
membrane,
including
membrane
ATPase
protein
fatty
acids.
show
excellent
synergistic
drug‐resistant
killing
efficiency
through
multiple
mechanisms,
further
restrain
resistance.
biocompatible
pose
potential
ability
in
both
Methicillin–resistant
Staphylococcus
aureus
(MRSA)‐related
soft
hard
infection.
Overall,
this
study
provides
promising
perspective
exploration
as
nano
antibacterial
medicine
against
infected
future.
