期刊
NATURE CHEMISTRY
卷 2, 期 2, 页码 117-124出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NCHEM.482
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology [21710116, 18201017, 18655012, 19054017]
- Core Research for Evolutional Science and Technology, Japan Science and Technology Agency (JST)
- Exploratory Research for Advanced Technology, JST
- Grants-in-Aid for Scientific Research [18655012, 18201017, 21710116] Funding Source: KAKEN
High-resolution transmission electron microscopy has proved useful for its ability to provide time-resolved images of small molecules and their movements. One of the next challenges in this area is to visualize chemical reactions by monitoring time-dependent changes in the atomic positions of reacting molecules. Such images may provide information that is not available with other experimental methods. Here we report a study on bimolecular reactions of fullerene and metallofullerene molecules inside carbon nanotubes as a function of electron dose. Images of how the fullerenes move during the dimerization process reveal the specific orientations in which two molecules interact, as well as how bond reorganization occurs after their initial contact. Studies on the concentration, specimen temperature, effect of catalyst and accelerating voltage indicate that the reactions can be imaged under a variety of conditions.
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