Researchers at Lawrence Berkeley National Laboratory's Molecular Foundry have developed a technique by which designer nanomaterials can be created on demand.
Unlike the well-established techniques for making macroscale composites such as fiberglass, until now there have been no general schemes available for making nanoscale composites. The team has shown that nanocomposites with specific properties can be designed and fabricated by first assembling nanocrystals and nanorods coated with organic ligands and then replacing the ligands with clusters of metal chalcogenides, such as copper sulfide. The clusters link to the nanocrystal or nanorod building blocks and help create a stable …
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