Alejandro L. Briseno of the University of Massachusetts, Amherst; Wenping Hu of the Chinese Academy of Sciences; and coworkers formed single-crystal nanoribbons by selectively crystallizing copper hexadecafluorophthalocyanine (n-type material) on copper phthalocyanine (p-type material). The team then demonstrated the nanoribbons’ utility by incorporating them into transistors and solar cells.
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