MIT.nano Seminar Series: Rehan Kapadia

Rehan Kapadia, assistant professor of electrical & computer engineering at the University of Southern California, gave the MIT.nano May seminar on "Hot electrons, cold materials: Building blocks for next generation semiconductor devices".

In the first part of his talk, Kapadia discusses his work on growing III-V semiconductors on non-epitaxial substrates using a combination of templated liquid phase growth (TLP) and metal-organic chemical vapor deposition (MOCVD). After discussing the basic growth processes and resulting material quality, Kapadia highlights some recent results with TLP growth at CMOS back-end compatible temperatures of less than 400 degrees C.

Next, Kapadia shows how hot-electron processes can dramatically reduce the optical power densities required for photoemission. Finally, Kapadia demonstrates a hot-electron electrochemical device, where hot electrons are used to modify the reaction rates of the hydrogen evolution reaction (HER) on an electrode immersed in solution.

The MIT.nano Seminar Series takes place monthly during the academic year. It is organized by Farnaz Niroui, Assistant Professor of Electrical Engineering & Computer Science (EECS) at MIT.

See upcoming talks at mitnano.mit.edu/mitnano-seminar-series.

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