Question

 Explain the working of NP based optical sensors.

06 Mar 2026
Answer :
Word Count : 258
Nanoparticle-based optical sensors operate by exploiting the unique optical properties of nanoparticles, particularly their ability to interact with light through phenomena such as localized surface plasmon resonance (LSPR). When metallic nanoparticles like gold or silver are exposed to light, their conduction electrons oscillate collectively, leading to strong absorption and scattering at _____ ____ ______ _____ ________.
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