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Plasmonic nanoparticles and graphene can be used for generating photothermal effects and for amplifying optical signals. These characteristics are being exploited for a variety of applications in biophotonics. Here we discuss some light-activated materials based on plasmonic nanoparticles and graphene that we have recently developed as viable solutions to critical issues in therapy and sensing.
We give new insight into multifunctional nanoparticles with light extinction in the therapeutic window, optical stability even on aggregation, as well as possibility of bio-conjugation. The optical response of these particles rests on gold nanorods, which interact with near infrared (NIR) light via plasmonic oscillations, which is an interface effect. Therefore the optical behavior of these particles...
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