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Photochemistry of a Diluted Magnetic Semiconductor Quantum Dot: A Possible Photocatalyst for Water-Splitting


EMSL Project ID
2632

Abstract

Nanoscale catalysts have attracted much attention due to their high surface area to volume ratios. Photocatalytic water-splitting materials are likewise a subject of intense research, as attention turns to the use of hydrogen as a clean source of fuel for future fuel technologies. We propose to investigate the photophysical and photochemical properties of Nanoscale Ni2+:ZnS, a demonstrated visible-light activated water-splitting photocatalyst. This will be accomplished by preparing nanocrystalline Ni2+:ZnS and using both classical and ultrafast spectroscopic methods to obtain an understanding of the dynamic electronic processes that can be related to the photocatalytic water-splitting activity.

Project Details

Project type
Exploratory Research
Start Date
2002-08-27
End Date
2005-06-14
Status
Closed

Team

Principal Investigator

Kevin Kittilstved
Institution
University of Washington

Team Members

Daniel Gamelin
Institution
University of Washington

Alan Joly
Institution
Pacific Northwest National Laboratory