Cancer
nanotechnology
is
a
promising
area
of
cross-disciplinary
research
aiming
to
develop
facile,
effective,
and
noninvasive
strategies
improve
cancer
diagnosis
treatment.
Catalytic
therapy
based
on
exogenous
stimulus-responsive
semiconductor
nanomaterials
has
shown
its
potential
address
the
challenges
under
most
global
medical
needs.
Semiconductor
nanocatalytic
usually
triggered
by
catalytic
action
hot
electrons
holes
during
local
redox
reactions
within
tumor,
which
represent
response
nontoxic
nanocatalysts
pertinent
internal
or
external
stimuli.
However,
careful
architecture
design
been
major
focus
since
efficiency
often
limited
facile
electron/hole
recombination.
Addressing
these
vital
for
progress
therapy.
In
recent
years,
diverse
have
developed,
with
heterojunctions
emerging
as
prominent
extensively
explored
method.
The
charge
separation
stimulation
can
be
heightened
manipulating
semiconducting
performance
materials
through
heterojunction
structures,
thereby
enhancing
capabilities.
This
review
summarizes
applications
nanoheterojunctions
theranostics.
first
part
outlines
construction
different
types.
next
section
designs,
properties,
mechanisms
various
in
tumor
concludes
discussing
providing
insights
into
their
prospects
this
dynamic
continuously
evolving
field
research.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
The
development
of
high-performance
photocatalysts
is
crucial
for
enabling
efficient
CO2
conversion
in
photocatalytic
systems.
Here,
we
developed
a
novel
heterojunction
(N-BON)
composed
Ni-doped
Bi4O5Br2
and
NiCo2O4
photoreduction
with
the
help
simulated
sunlight.
optimized
21N-BON
composite
exhibited
highest
activity,
producing
18.66
μmol·g–1·h–1
CO
selectivity
95.7%,
which
represents
remarkable
2.15-fold
4.75-fold
increase
yield
compared
to
Bi4O5Br2/NiCo2O4
Bi4O5Br2,
respectively.
Photoelectrochemical
testing,
photoluminescence
analysis,
theoretical
calculations
demonstrated
that
enhanced
performance
attributed
improved
photogenerated
carrier
separation,
driven
by
synergistic
effects
Ni-doping-induced
spin
polarization
built-in
electric
field
from
construction.
Additionally,
situ
DRIFTS
analyses
was
used
clarify
reaction
mechanisms
on
photocatalyst
surface,
showing
Ni
doping
adsorption
promoted
formation
key
intermediates.
This
study
offers
important
guidance
developing
advanced
solar-driven
reduction,
contributing
sustainable
energy
solutions.