Fractal Structures Formed by Kinetic Aggregation of Aqueous Gold Colloids
- 16 April 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 52 (16), 1433-1436
- https://doi.org/10.1103/physrevlett.52.1433
Abstract
We use transmission-electron micrographs to study the structure formed by the irreversible kinetic aggregation of uniformly sized aqueous gold colloids. The structures are highly ramified and exhibit a scale invariance that is well described as a fractal with a Hausdorff dimension of ∼ 1.75. This value is in excellent agreement with recent computer simulations of diffusion-limited aggregation when the clusters themselves are allowed to aggregate.Keywords
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