Developing
efficient
catalysts
to
degrade
pollutants
in
water
is
a
very
important
way
alleviate
pollution.
However,
it
crucial
but
challenging
broaden
the
functions
of
conventional
photocatalysts
and
improve
their
environmental
adaptability.
In
this
paper,
Bi(Er3+/Yb3+)OBr/polyacrylonitrile
(BOB-EY/PAN)
composite
fibers
with
swallowed-embedded
structure
assembled
nanopetal-rich
microflowers
were
designed
fabricated,
integrating
photocatalytic
temperature-monitoring
simultaneously.
Their
unique
brings
large
specific
surface
area,
doping
rare
earth
ions
improves
separation
efficiency
electron–hole
pairs,
which
enhances
endows
function
at
same
time.
Under
simulated
sunlight
irradiation,
nanofibers
show
maximum
degradation
99.2%
for
tetracycline
hydrochloride
(TC)
constant
K
as
high
0.078
min–1.
Based
on
fluorescence
intensity
ratio
(FIR),
two
thermally
coupled
levels
Er3+
nanofibers,
2H11/2
4S3/2,
provide
real-time
temperature
feedback,
displaying
relative
sensitivity
0.0215
K–1
303
K.
Dual-functional
BOB-EY/PAN
great
potential
industrial
wastewater
disposition,
providing
solutions
purification
special
scenarios.
