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A research team headed by Kang Lixing from the Suzhou Institute of Nano-Tech and Nano-Bionics at the Chinese Academy of Sciences has pioneered a novel approach to synthesize one-dimensional van der Waals heterojunctions composed of selenium-embedded single-walled carbon nanotubes (Se@SWCNTs). This groundbreaking method employs chemical vapor transport techniques. Utilizing aberration-corrected transmission electron microscopy (AC-STEM), along with spectroscopic and electrical analyses, the team verified the successful encapsulation of double-chain selenium within the single-walled carbon nanotubes. Deviating from previous research, this study innovatively applied solution deposition techniques to fabricate large-area semiconducting Se@SWCNTs films.
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