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Showing papers by "Arthur J. Nozik published in 1989"


Journal ArticleDOI
TL;DR: In this paper, photoinduced blue shifts in CdS colloids have been time resolved by picosecond pump-probe measurements, and the predicted shifts are greater than observed values at the higher light intensities.
Abstract: Photoinduced blue shifts in CdS colloids have been time resolved by picosecond pump-probe measurements. The blue shift appears within the time domain of the pump pulse (18 ps) and is found to increase with increased pump light intensity. Calculations of the predicted blue shift from a dynamic Burstein-Moss shift agree with the experimental results at the lower laser intensities, but the predicted shifts are greater than observed values at the higher light intensities.

151 citations


Journal ArticleDOI
TL;DR: In this article, the primary photochemical events of CdS semiconductor colloids dispersed in acetonitrile were investigated and the reduction of viologen compound and the oxidation of diethyldithiocarbamic acid were investigated.

92 citations