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Carbon materials attract attention of the researchers from different field of the science from biology to electrical engineering. The surface and the near-surface region are of the particular interest due to practical and fundamental applications. However, surface characterization of the carbon materials might be challenging.
In this presentation examples of surface characterization studies of carbon specimens will be presented. (1) In particularly, the systematic XPS (X-ray photoelectron spectroscopy) characterization of graphene grown on the SiC surface will be reported. This work demonstrates a use for XPS to characterized surfaces, providing critical information on thickness of graphene layers. XPS data will be compared with the Raman data. (2) Covalent Cross-linking Between polythymidine DNA and Single-walled Carbon Nanotubes (SWCNT) will be considered. The interaction of ss-DNA with SWCNT and Highly Ordered Pyrolytic Graphite (HOPG) will be compared. (3) Modification of HOPG surface with mild AC plasma (O2, H2, Ar, H2O) will be discussed.
Dmitry Zemlyanov received his Ph.D. in Physics and Mathematics from the Novosibirsk State University, Russia. He is currently a Surface Science Application Scientist at Birck Nanotechnology Center and he is in charge for the Surface Analysis Facility at Birck.
Earlier, he was a postdoctoral researcher at the Fritz-Haber-Institute, Berlin, at Worchester Polytechnic Institute, MA; an adjunct assistant professor at the Physics Department, Worchester Polytechnic Institute, MA, and a research fellow at Material and Surface Science Institute, University of Limerick, Ireland. His research interests include surface science, heterogeneous catalysis, surface phenomena.
In collaboration with: Laura Biedermann, Gyan Prakash, Ronald Reifenberger (Department of Physics), Sara Harrison, Michael Bolen, Michael Capano, Vladimir Drachev (Electrical and Computer Engineering), Bridget D. Dolashand, Donald E. Bergstrom (Department of Medicinal Chemistry and Molecular Pharmacology).
Funding: Kirk Endowment Exploratory Research Recharge Grant
Researchers should cite this work as follows:
Dmitry Zemlyanov (2010), "Surface Characterization Studies of Carbon Materials: SS-DNA, SWCNT, Graphene, HOPG," https://nanohub.org/resources/8312.