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David F. Kelley

Professional Title: 
Professor, Chemistry & Chemical Biology
Phone: 
(209) 228-4354
Office: 
Science and Engineering 1 324
Lab
Lab Location: 
Science and Engineering 1 Building, Room 361
Education: 
Ph.D., 1980 - University of Washington, Seattle
B.S., 1976 - Whitworth College
Research Interests: 

Professor Kelley's research group uses ultrafast optical spectroscopy to examine the optical and electronic properties of semiconductor nanoparticles. He focuses on layered semiconductors - specifically gallium selenide and indium selenide - which have layered crystal structures and form two-dimensional, disk-like nanoparticles. The optical properties of indium selenide are very well suited for the absorption of sunlight; therefore, its nanoparticles hold considerable promise as the active media in photovoltaics.

Professor Kelley's group synthesizes nanoparticles that have diameters from 2 nm to tens of nanometers -  all of which are four atoms thick -  as the properties of such nanoparticles are strongly size dependent, due to quantum size effects. He is primarily interested controlling  and optimizing the properties of the nanoparticles for solar energy conversion.

Interdisciplinary/Multidisciplinary Group: 
Energy