Small,
Journal Year:
2024,
Volume and Issue:
20(31)
Published: March 7, 2024
Emerging
photoelectrochemical
(PEC)
photodetectors
(PDs)
have
notable
advantages
over
conventional
PDs
and
attracted
extensive
attention.
However,
harsh
liquid
environments,
such
as
those
with
high
corrosivity
attenuation,
substantially
restrict
their
widespread
application.
Moreover,
most
PEC
are
constructed
by
assembling
numerous
nanostructures
on
current
collector
substrates,
which
inevitably
contain
abundant
interfaces
defects,
thus
greatly
weakening
the
properties
of
PDs.
To
address
these
challenges,
a
high-performance
pH-universal
ultraviolet
(UV)
PD
based
whole
single-crystal
integrated
self-supporting
4H-SiC
nanopore
array
photoelectrode
is
constructed,
fabricated
using
two-step
anodic
oxidation
approach.
The
exhibits
excellent
photodetection
behavior,
responsivity
(218.77
mA
W
Catalysts,
Journal Year:
2022,
Volume and Issue:
13(1), P. 26 - 26
Published: Dec. 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.
Catalysts,
Journal Year:
2022,
Volume and Issue:
12(10), P. 1263 - 1263
Published: Oct. 17, 2022
While
modern
industry
has
contributed
to
the
prosperity
of
an
increasingly
urbanized
society,
it
also
led
serious
pollution
problems,
with
discharged
wastewater
and
exhaust
gases
causing
significant
environmental
harm.
Titanium
dioxide
(TiO2),
which
is
excellent
photocatalyst,
received
extensive
attention
because
inexpensive
able
photocatalytically
degrade
pollutants
in
environmentally
friendly
manner.
TiO2
many
advantages,
including
high
chemical
stability,
low
toxicity,
operating
costs,
friendliness.
N-order
semiconductor
material
a
bandgap
3.2
eV.
Only
when
wavelength
ultraviolet
light
less
than
or
equal
387.5
nm,
valence
band
electrons
can
obtain
energy
photon
pass
through
conduction
form
photoelectrons,
meanwhile
forms
photogenerated
hole.
And
other
regions
does
not
excite
this
electrons.
The
most
common
methods
used
improve
photocatalytic
efficiency
involve
increasing
its
photoresponse
range
reducing
photogenerated-carrier
coupling.
morphology,
size,
structure
heterojunction
be
altered
element
doping,
leading
improved
efficiency.
Mainstream
for
preparing
are
reviewed
paper,
several
preparation
schemes
improving
introduced.
mainly
prepared
using
sol-gel,
solvothermal,
hydrothermal,
anodic
oxidation,
microwave-assisted,
CVD
PVD
methods,
nanoparticles
properties
prepared.
Ti-containing
materials
widely
purify
harmful
gases,
as
well
contaminants
from
building
materials,
coatings,
daily
necessities.
Therefore,
applications
titanium
have
become
globally
popular
research
topics.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 10, 2023
Rapid
advancements
in
materials
science
and
nanotechnology,
intertwined
with
oncology,
have
positioned
photothermal
therapy
(PTT)
as
a
promising
noninvasive
treatment
strategy
for
cancer.
The
breast's
superficial
anatomical
location
aesthetic
significance
render
breast
cancer
particularly
pertinent
candidate
the
clinical
application
of
PTT
following
melanoma.
This
review
comprehensively
explores
research
conducted
on
various
types
nanoparticles
employed
elaborates
their
specific
roles
mechanisms
action.
integration
existing
therapies
is
scrutinized,
underscoring
its
potential
synergistic
outcomes.
Additionally,
underlying
consequential
modifications
to
tumor
microenvironment
after
are
elaborated
from
medical
perspective.
Future
directions
suggested,
an
emphasis
development
integrative
platforms
that
combine
multiple
therapeutic
approaches
optimization
nanoparticle
synthesis
enhanced
efficacy.
goal
push
boundaries
toward
comprehensive,
clinically
applicable
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(23)
Published: Feb. 28, 2023
Abstract
Fibrous
photodetectors
(FPDs)
have
attracted
great
interest
in
wearable
and
consumer
electronics,
which
is
a
lightweight
flexible
tools
to
achieve
efficient
light
information
transmission.
However,
there
necessary
compromise
between
high
optoelectronic
performance
high‐level
integration.
Herein,
woven
keyboard
consisting
of
40
PD
button
units
extended
integrated
from
four
individual
FPDs,
with
the
integration
level
expanding
by
1000%.
Each
FPD
based
on
uniform
type‐II
TiO
2
/Cs
3
Cu
I
5
heterojunction,
exhibits
greatly
reduced
dark
current
eight
orders
magnitudes,
large
rectification
ratio
up
33306@±
5V,
on–off
2.8
×
10
4
@−1
V
self‐powered
responsivity
26.9
mA
W
−1
.
The
vacuum‐deposited
Cs
nanoparticles
finely
passivate
massive
defects
serve
as
p‐type
hole
transport
layer
improve
transfer
efficiency,
promotes
radial
collection
photogenerated
electrons.
Moreover,
photocurrent
remains
highly
stable
after
bending
twisting
states.
Intriguingly,
keyboards
successfully
realize
logic
AND/OR,
further
identifying
UV
signal
keying
text
(“A–Z”
letters,
“0–9”
numbers,
punctuations).
This
work
not
only
provides
scalable
strategy
reduce
device
redundancy
but
also
shows
potential
fibrous
for
optical
communication.
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(23), P. 13489 - 13692
Published: Nov. 14, 2023
As
a
key
structural
parameter,
phase
depicts
the
arrangement
of
atoms
in
materials.
Normally,
nanomaterial
exists
its
thermodynamically
stable
crystal
phase.
With
development
nanotechnology,
nanomaterials
with
unconventional
phases,
which
rarely
exist
their
bulk
counterparts,
or
amorphous
have
been
prepared
using
carefully
controlled
reaction
conditions.
Together
these
methods
are
beginning
to
enable
engineering
(PEN),
i.e.,
synthesis
phases
and
transformation
between
different
obtain
desired
properties
functions.
This
Review
summarizes
research
progress
field
PEN.
First,
we
present
representative
strategies
for
direct
modulation
diverse
kinds
nanomaterials.
We
cover
ranging
from
metal
nanostructures
such
as
Au,
Ag,
Cu,
Pd,
Ru,
alloys;
oxides,
borides,
carbides;
transition
dichalcogenides
(TMDs)
2D
layered
review
growth
wet-chemical
reduction
seed-mediated
epitaxial
chemical
vapor
deposition
(CVD),
high
pressure
transformation,
electron
ion-beam
irradiation.
After
that,
summarize
significant
influence
on
various
unconventional-phase
also
discuss
potential
applications
developed
areas
including
catalysis,
electrochemical
energy
storage
(batteries
supercapacitors),
solar
cells,
optoelectronics,
sensing.
Finally,
existing
challenges
future
directions
Coatings,
Journal Year:
2023,
Volume and Issue:
13(9), P. 1657 - 1657
Published: Sept. 21, 2023
Inorganic
semiconductors
like
silicon
and
germanium
are
the
foundation
of
modern
electronic
devices.
However,
they
have
certain
limitations,
such
as
high
production
costs,
limited
flexibility,
heavy
weight.
Additionally,
depletion
natural
resources
required
for
inorganic
semiconductor
raises
concerns
about
sustainability.
Therefore,
exploration
development
organic
offer
a
promising
solution
to
overcome
these
challenges
pave
way
new
era
electronics.
New
applications
optoelectronic
devices
been
made
possible
by
recent
emergence
semiconductors.
Numerous
innovative
results
on
performance
charge
transport
discovered
with
growth
These
discoveries
opened
up
possibilities
devices,
solar
cells,
light-emitting
diodes,
field-effect
transistors.
The
use
materials
in
has
potential
revolutionise
electronics
industry
providing
low-cost,
flexible,
lightweight
alternatives
traditional
materials.
understanding
carrier
is
crucial
efficient
This
review
offers
thorough
overview
phenomenon
focus
underlying
physical
mechanisms
how
it
affects
device
performance.
processes
generation
recombination
given
special
attention.
Furthermore,
this
provides
valuable
insights
into
fundamental
principles
that
govern
behaviour
carriers
materials,
which
can
inform
design
optimisation
future
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(21), P. 13910 - 13923
Published: May 16, 2024
Thanks
to
their
excellent
photoelectric
characteristics
generate
cytotoxic
reactive
oxygen
species
(ROS)
under
the
light-activation
process,
TiO2
nanomaterials
have
shown
significant
potential
in
photodynamic
therapy
(PDT)
for
solid
tumors.
Nevertheless,
limited
penetration
depth
of
TiO2-based
photosensitizers
and
excitation
sources
(UV/visible
light)
PDT
remains
a
formidable
challenge
when
confronted
with
complex
tumor
microenvironments
(TMEs).
Here,
we
present
H2O2-driven
black
mesoporous
nanomotor
near-infrared
(NIR)
light
absorption
capability
autonomous
navigation
ability,
which
effectively
enhances
NIR
light-triggered
PDT.
The
was
rationally
designed
fabricated
based
on
Janus
nanostructure,
consists
light-responsive
nanosphere
an
enzyme-modified
periodic
organosilica
(PMO)
nanorod
that
wraps
around
nanosphere.
overexpressed
H2O2
can
drive
TME
catalysis
catalase
PMO
domain.
By
precisely
controlling
ratio
compartments
TiO2&PMO
nanomotors
achieve
optimal
self-propulsive
directionality
velocity,
enhancing
cellular
uptake
facilitating
deep
penetration.
Additionally,
by
decomposition
endogenous
within
tumors,
these
continuously
supply
enable
highly
efficient
ROS
production
photocatalysis
TiO2,
leading
intensified
effects
effective
inhibition.
