Solvent-engineered time-dependent hydrochromic perovskite nanocrystals in wool keratin for multi-level encryption with distinguishable temporal keys
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 163778 - 163778
Опубликована: Май 1, 2025
Язык: Английский
Fluorescence Light‐Up Electrospun Membrane Incorporated with PbBr2 as a Highly Selective Fluorescence Probe for the Detection of Cs+
Advanced Sensor Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 8, 2024
Abstract
This
study
introduces
a
novel
fluorescent
light‐up
electrospun
membrane,
integrating
PbBr
2
,
which
serves
as
an
exceptionally
selective
probe
for
the
detection
of
cesium
ions
(Cs
+
).
Leveraging
superior
optical
properties
CsPbBr
3
perovskite
nanocrystals
(PNCs),
researchers
employ
electrospinning
technology
to
fabricate
test
strip,
namely
@polyacrylonitrile
(PbBr
@PAN)
nanofiber
membranes,
capable
swiftly
detecting
Cs
in
water
merely
by
observing
changes
nanocrystals'
luminescence
with
naked
eye.
By
introduction
NH
4
‐modified
montmorillonite
(NH
‐MMT),
‐MT@PAN
membranes
is
obtained.
The
selectivity
and
sensitivity
can
be
further
improved
because
‐MMT
endows
hydrophilic
property
adsorption
toward
ions.
membrane's
fabrication
simple,
scalable,
cost‐effective,
high
down
44
ppb.
innovation
enables
efficient,
on‐site
monitoring
critical
environmental
safety
nuclear
waste
management.
Язык: Английский
Stabilizing perovskite quantum dot oxygen sensors through ultra-long 2 mm horizontally aligned nanopores in anodic alumina oxide templates
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Perovskite
quantum
dots
(PQDs)
offer
potential
for
gas
sensing,
though
stability
limits
use.
Johan
et
al
.
enhanced
PQD
with
a
horizontally
aligned
anodic
alumina
oxide
template,
maintaining
fluorescence
3
weeks
without
change.
Язык: Английский