天然单壁碳纳米管与石墨碳

Core Insights - The research team from Jilin University has made a significant discovery by identifying naturally formed single-walled carbon nanotubes and graphite carbon in lunar soil samples from the Chang'e 6 mission, marking the first such confirmation internationally [1] Group 1: Research Findings - The study utilized various microscopy and spectroscopy techniques to systematically characterize the lunar samples collected from the far side of the moon, leading to the first clear identification of graphite carbon and tracing its potential formation and evolution processes [1] - The formation of these carbon nanotubes is suggested to be closely related to a synergistic effect of multiple factors, including micro-meteorite impacts, volcanic activity, and solar wind irradiation, highlighting nature's ability to synthesize key materials under extreme conditions [1] Group 2: Comparative Analysis - A comparative study between the Chang'e 6 lunar far side samples and the Chang'e 5 lunar near side samples revealed that the carbon structure in the Chang'e 6 samples exhibited more pronounced defect characteristics, likely due to a more intense history of micro-meteorite impacts on the far side of the moon [1] - This finding indicates a new asymmetry in the material composition and evolutionary processes between the moon's near side and far side [1] Group 3: Publication and Previous Discoveries - The research results have been published in the academic journal "Nano Letters," representing another important discovery following the identification of few-layer graphene in the Chang'e 5 lunar samples by the same research team [1]