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False-color scanning electron microscope image of the zigzag nanowires in which the straight sections are separated by triangular joints and specific device functions are precisely localized at the kinked junctions in the nanowires. Image courtesy Bozhi Tian/Lieber Group |
Harvard scientists bend nanowires into 2-D and 3-D structuresTaking nanomaterials to a new level of structural complexity, Harvard researchers have determined how to introduce kinks into arrow-straight nanowires, transforming them into zigzagging two- and three-dimensional structures with correspondingly advanced functions. The work is described this week in in a letter in the journal Nature Nanotechnology by scientists led by Bozhi Tian and Charles M. Lieber. |
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