Alexander Efros

Alexander Lwowitsch Efros is a Russian physicist. Efros is the co-discoverer of semiconducting nanocrystals known as quantum dots.

Efros graduated as a physical engineer in 1973 from the Leningrad Technological Institute and received his doctorate there in 1978. He was a scientist at the Ioffe Institute in Leningrad from 1981 to 1990, at which time he moved to the West.

In 2001, Efros became a Fellow of the American Physical Society. He received the R. W. Wood Prize in 2006 along with Ekimov and Louis E. Brus. In the Alexander von Humboldt Prize in 2008 for his work on quantum dots. In 2013, he received the E. F. Gross Medal of the Russian Optical society for pioneering nanocrystal research.