Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 16, 2025
Abstract
Upconversion
nanoparticles
(UCNPs),
incorporating
lanthanide
(Ln)
dopants,
can
convert
low‐energy
near‐infrared
photons
into
higher‐energy
visible
or
ultraviolet
light
through
nonlinear
energy
transfer
processes.
This
distinctive
feature
has
attracted
considerable
attention
in
both
fundamental
research
and
advanced
optoelectronics.
Challenges
such
as
low
energy‐conversion
efficiency
nonradiative
losses
limit
the
performance
of
UCNP‐based
optoelectronic
devices.
Recent
advancements
including
optimized
core–shell
structures,
tailed
Ln‐doping
concentration,
surface
modifications
show
significant
promise
for
improving
stability.
In
addition,
combining
UCNPs
with
functional
materials
broaden
their
applications
improve
device
performance,
paving
way
innovation
next‐generation
paper
first
categorizes
elaborates
on
various
upconversion
mechanisms
UCNPs,
focusing
strategies
to
boost
prolong
luminescence.
Subsequently,
an
in‐depth
discussion
that
enhance
expand
functionality
is
provided.
Furthermore,
a
wide
range
devices
explored,
multiple
emerging
neuromorphic
computing
are
highlighted.
Finally,
existing
challenges
potential
solutions
involved
developing
practical
considered,
well
outlook
future
technologies
Nanomaterials,
Год журнала:
2023,
Номер
13(21), С. 2904 - 2904
Опубликована: Ноя. 5, 2023
Luminescence
thermometry
has
emerged
as
a
very
versatile
optical
technique
for
remote
temperature
measurements,
exhibiting
wide
range
of
applicability
spanning
from
cryogenic
temperatures
to
2000
K.
This
technology
found
extensive
utilization
across
many
disciplines.
In
the
last
thirty
years,
there
been
significant
growth
in
field
luminous
thermometry.
accompanied
by
development
read-out
procedures,
creation
luminescent
materials
sensitive
probes,
and
advancements
theoretical
understanding.
review
article
primarily
centers
on
nanoparticles
employed
luminescence
this
paper,
we
provide
comprehensive
survey
recent
literature
pertaining
lanthanide
transition
metal
nanophosphors,
semiconductor
quantum
dots,
polymer
nanoparticles,
carbon
nanodiamonds
addition,
engage
discussion
regarding
benefits
limitations
comparison
with
conventional,
microsized
probes
their
application
Journal of Vinyl and Additive Technology,
Год журнала:
2023,
Номер
30(1), С. 102 - 113
Опубликована: Июль 11, 2023
Abstract
Fluorescent
polymers
have
exciting
applications
in
sensing,
imaging,
and
probes.
Agricultural
waste
is
increasingly
being
used
to
develop
fluorescent
nanomaterials
due
technology,
cost,
management
advantages.
This
study
developed
carbon‐based
nanomaterials,
that
is,
potassium
doped
graphene
oxide
(K‐GO)
from
Quercus
ilex
them
optimize
epoxy
nanocomposites.
The
resulting
nanocomposites
showed
significant
enhancement
tensile
strength
with
only
0.05
wt%
of
the
renewable
nanomaterial.
enhanced
thermal
mechanical
properties
can
be
other
applications.
Highlights
A
greener
easier
approach
synthesizing
K‐GO
seeds.
Development
composites
K‐GO.
Tensile
by
adding
Thermal
stability
was
improved
Developed
applied
sensing
UV‐shielding
future.
Abstract
Near‐infrared
(NIR)
light
is
well‐suited
for
the
optical
imaging
and
wireless
phototherapy
of
malignant
diseases
because
its
deep
tissue
penetration,
low
autofluorescence,
weak
scattering,
non‐invasiveness.
Rare
earth
nanoparticles
(RENPs)
are
promising
NIR‐responsive
materials,
owing
to
their
excellent
physical
chemical
properties.
The
4f
electron
subshell
lanthanides,
main
group
rare
elements,
has
rich
energy‐level
structures.
This
facilitates
broad‐spectrum
light‐to‐light
conversion
other
forms
energy,
such
as
thermal
energies.
In
addition,
abundant
loadable
modifiable
sites
on
surface
offer
favorable
conditions
functional
expansion
RENPs.
this
review,
authors
systematically
discuss
processes
mechanisms
underlying
response
RENPs
NIR
summarize
recent
advances
in
applications
imaging,
photothermal
therapy,
photodynamic
photoimmunotherapy,
optogenetics,
light‐responsive
drug
release.
Finally,
challenges
opportunities
application
under
activation
considered.
Abstract
The
exceptional
optoelectronic
properties
of
lead
halide
perovskite
nanocrystals
(PeNCs)
in
the
ultraviolet
and
visible
spectral
regions
have
positioned
them
as
a
promising
class
semiconductor
materials
for
diverse
photovoltaic
applications.
However,
their
limited
response
to
near‐infrared
(NIR)
light
due
intrinsic
bandgap
(>1.5
eV)
has
hindered
applications
many
advanced
technologies.
To
circumvent
this
limitation,
it
is
fundamental
significance
integrate
PeNCs
with
lanthanide‐doped
upconversion
nanoparticles
(UCNPs)
that
are
capable
efficiently
converting
low‐energy
NIR
photons
into
high‐energy
photons.
By
leveraging
energy
transfer
from
UCNPs
PeNCs,
synergistic
combination
can
not
only
expand
responsivity
range
but
also
introduce
novel
emission
profiles
luminescence
multi‐dimensional
tunability
(e.g.,
wavelength,
lifetime,
polarization)
under
low‐to‐medium
power
irradiation,
which
breaks
through
inherent
restrictions
individual
thereby
opens
up
new
opportunities
device
engineering.
In
review,
we
focus
on
latest
advancements
development
PeNCs‐UCNPs
nanocomposites,
an
emphasis
controlled
synthesis
optical
design
such
full‐spectrum
solar
cells,
photodetectors,
multilevel
anticounterfeiting.
Some
future
efforts
prospects
toward
active
research
field
envisioned.
Materials Today Bio,
Год журнала:
2024,
Номер
26, С. 101027 - 101027
Опубликована: Март 16, 2024
Multimodal
imaging,
which
combines
the
strengths
of
two
or
more
imaging
modalities
to
provide
complementary
anatomical
and
molecular
information,
has
emerged
as
a
robust
technology
for
enhancing
diagnostic
sensitivity
accuracy,
well
improving
treatment
monitoring.
Moreover,
application
multimodal
in
guiding
precision
tumor
can
prevent
under-
over-treatment,
thereby
maximizing
benefits
patients.
In
recent
years,
several
intriguing
magneto-optical
nanosystems
with
both
magnetic
optical
properties
have
been
developed,
leading
significant
breakthroughs
field
image-guided
therapy.
These
advancements
pave
way
precise
medicine.
This
review
summarizes
various
types
developed
recently
describes
their
applications
probes
agents
therapeutic
interventions.
Finally,
future
research
development
prospects
are
discussed
along
an
outlook
on
further
biomedical
field.
Materials Horizons,
Год журнала:
2023,
Номер
11(2), С. 363 - 387
Опубликована: Ноя. 2, 2023
Wound
healing
is
a
complex
process
that
requires
effective
management
to
prevent
infections
and
promote
efficient
tissue
regeneration.
In
recent
years,
upconversion
nanoparticles
(UCNPs)
have
emerged
as
promising
materials
for
wound
dressing
applications
due
their
unique
optical
properties
potential
therapeutic
functionalities.
These
possess
enhanced
antibacterial
when
functionalized
with
agents,
helping
infections,
common
complication
in
healing.
They
can
serve
carriers
controlled
drug
delivery,
enabling
targeted
release
of
agents
the
site,
allowing
tailored
treatment
optimal
conditions.
ability
convert
near-infrared
(NIR)
light
into
visible
and/or
ultraviolet
(UV)
regions,
making
them
suitable
(photothermal
therapy
photodynamic
therapy)
diagnostic
applications.
context
healing,
these
be
combined
other
such
hydrogels,
fibers,
metal-organic
frameworks
(MOFs),
graphene
oxide,
Engineered Regeneration,
Год журнала:
2024,
Номер
5(3), С. 361 - 374
Опубликована: Янв. 15, 2024
Over
decades
of
development,
the
modern
drug
delivery
system
continues
to
grapple
with
numerous
challenges,
including
loading
inefficiencies,
issues
immunogenicity,
and
cytotoxicity.
These
limitations
restrict
its
application
across
various
systems.
Microalgae,
as
a
natural
resource,
are
not
only
abundant
in
bioactive
compounds
but
also
possess
multiple
biological
properties,
active
surface,
photosynthesis
capabilities,
excellent
biocompatibility.
attributes
make
microalgae
highly
promising
carriers
for
targeted
delivery,
offering
significant
potential
diagnosis
treatment
diseases.
Therefore,
leveraging
exceptional
properties
optimizing
their
qualities
is
paramount
importance.
This
article
focuses
on
elucidating
characteristics
applications
particular
emphasis
emerging
strategies
efficient
precise
delivery.
biomaterial,
hold
immense
both
commercial
clinical
applications.
