Abstract
Using C 60 -functionalized scanning tunneling microscope tips, we have investigated the adsorption of fluorine on graphite. Based on characteristics of the accompanying electron standing waves, we are able to distinguish the fluorine adatoms that have bonded ionically to the graphite surface from those that have formed covalent bonds with the surface. This result permits determination of the ratio of ionic to covalent C–F bonds on graphite obtained by gas phase fluorination, which seems to be temperatureindependent between 200 and 300°C under the reaction conditions used.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 10:31 a.m.) |
Deposited | 3 years, 4 months ago (April 13, 2022, 4:47 a.m.) |
Indexed | 1 year ago (Aug. 12, 2024, 12:34 p.m.) |
Issued | 25 years ago (Aug. 29, 2000) |
Published | 25 years ago (Aug. 29, 2000) |
Published Online | 25 years ago (Aug. 29, 2000) |
Published Print | 24 years, 11 months ago (Sept. 12, 2000) |
@article{Kelly_2000, title={Nanoscale imaging of chemical interactions: Fluorine on graphite}, volume={97}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.190325397}, DOI={10.1073/pnas.190325397}, number={19}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Kelly, Kevin F. and Mickelson, Edward T. and Hauge, Robert H. and Margrave, John L. and Halas, Naomi J.}, year={2000}, month=aug, pages={10318–10321} }