Plasmon-powered devices for medicine, security, solar cells

A Rice University professor has introduced a new method that takes advantage of plasmonic metals’ production of hot carriers to boost light to a higher frequency. An electron microscope image at bottom shows gold-capped quantum wells, each about 100 nanometers wide. Credit: Gururaj Naik/Rice University

A Rice University professor’s method to “upconvert” light could make solar cells more efficient and disease-targeting nanoparticles more effective.

Experiments led by Gururaj Naik, an assistant professor of electrical and computer engineering, combined plasmonic metals and semiconducting to boost the frequency of , changing its color.

In a nanoscale prototype Naik developed as…

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