Reports

Particle Formation during Water-Vapor Photolysis

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Science  26 Nov 1971:
Vol. 174, Issue 4012, pp. 941-944
DOI: 10.1126/science.174.4012.941

Abstract

Micrometer-sized particles have been produced by the photolysis of water vapor at wavelengths between 1500 and 1700 angstroms. Although the composition of the particles was not determined, the rate of particle production is consistent with the efficient conversion of water photolysis products to particulate matter. Such a process may be of importance in planetary atmospheres.