Desorption kinetics of oxygen in plasma treated SWNTs by in situ thermoelectric power measurements |
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| Authors: | Desai S C Hewaparakrama K P Jayasinghe C Mast D Pradhan B K Sumanasekera G U |
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| Affiliation: | Department of Electrical and Computer Engineering, University of Louisville, Louisville, KY 40292, USA. |
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| Abstract: | The functionalization and defect formation of SWNTs caused by isotropic plasma treatments were studied using oxygen desorption/adsorption kinetics by measuring the time dependence of the in situ thermoelectric power (TEP). It is shown that the plasma treatments result in the formation of low binding energy sites for oxygen adsorption. Raman and x-ray photoelectron spectroscopy (XPS) data are in good agreement with the results. |
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