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1. Selenium particles with various morphologies
- Stable aqueous dispersions of uniform selenium spheres were prepared
- The selenium spheres are formed by the aggregation of nanosize subunits
- The subunits are responsible for the optical properties of selenium particles
- The spheres can be converted into anisotropic structures by recrystallization
- The pH and presence of a co-solvent have a major effect on the recrystallization process