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Optical and TEM measurements are reported on a series of well-characterized photochromic glasses containing silver-halide microparticles. The growth rate for formation of photolytic silver is found to vary inversely as some fractional power of the silver-halide particle diameter. Comparison with simple models suggests that in these experiments silver cluster growth is being limited by the motion of surface ions. This type of experiment may provide a model system for studying the mechanism of photographic latent-image formation.
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Marquardt et al. (1979) studied this question.
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