Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Accurately
sensing
the
spatial
distribution
of
temperature,
one
most
fundamental
parameters,
is
crucial
for
understanding
mechanism
physicochemical
process
in
confined
space.
However,
traditional
methods
temperature
measurement
often
show
a
very
limited
resolution
and
sensitivity.
Herein,
we
develop
surface-enhanced
Raman
spectroscopy
(SERS)
nanosensor
to
measure
within
hollow
carbon
nanospheres
(HCNSs)
study
light-promoted
Fenton-like
catalyzed
by
Fe
single-atom
anchored
on
HCNSs.
Based
temperature-dependent
SERS
spectra
phenyl
isocyanide
adsorbed
Au
nanoparticles,
gradient
nanocavity
surface
HCNSs,
induced
light-irradiation,
sensed
with
sensitivity
0.8
°C.
Furthermore,
combining
local
reaction
kinetics-temperature
relationship,
clarify
that
oxidation
phenol
peroxymonosulfate
occurs
at
thus
providing
sound
evidence
homogeneous
mechanism.
Besides
new
strategy
submicrometer
resolution,
this
work
also
shows
feasibility
through
locating
reactive
site.
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Accurately
sensing
the
spatial
distribution
of
temperature,
one
most
fundamental
parameters,
is
crucial
for
understanding
mechanism
physicochemical
process
in
confined
space.
However,
traditional
methods
temperature
measurement
often
show
a
very
limited
resolution
and
sensitivity.
Herein,
we
develop
surface-enhanced
Raman
spectroscopy
(SERS)
nanosensor
to
measure
within
hollow
carbon
nanospheres
(HCNSs)
study
light-promoted
Fenton-like
catalyzed
by
Fe
single-atom
anchored
on
HCNSs.
Based
temperature-dependent
SERS
spectra
phenyl
isocyanide
adsorbed
Au
nanoparticles,
gradient
nanocavity
surface
HCNSs,
induced
light-irradiation,
sensed
with
sensitivity
0.8
°C.
Furthermore,
combining
local
reaction
kinetics-temperature
relationship,
clarify
that
oxidation
phenol
peroxymonosulfate
occurs
at
thus
providing
sound
evidence
homogeneous
mechanism.
Besides
new
strategy
submicrometer
resolution,
this
work
also
shows
feasibility
through
locating
reactive
site.