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| Naji, M. |
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| Ertürk, Emre |
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| Azevedo, Nuno Monteiro |
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| Rignanese, Gian-Marco |
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Lapčák, Ladislav
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Publications (5/5 displayed)
- 2023Beyond the Platinum Era─Scalable Preparation and Electrochemical Activation of TaS2 Flakescitations
- 2023Exploring morphological diversity of Q-carbon structures through laser energy density variationcitations
- 2022Carbon Transformation Induced by High Energy Excimer Treatmentcitations
- 2020Studium oxidových vrstev na slitinách zirkonia Ramanovou spektroskopií
- 2019Characterization of Eocene fossil resin from Moravia, Czech Republic: Insights into macromolecular structure ; Charakterizace Eocénové fosilní pryskyřice z Moravy, Česká republika: Pohled do makromolekulární strukturycitations
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article
Carbon Transformation Induced by High Energy Excimer Treatment
Abstract
The main aim of this study was to describe the treatment of carbon sheet with a high-energy excimer laser. The excimer modification changed the surface chemistry and morphology of carbon. The appearance of specific carbon forms and modifications have been detected due to exposure to laser beam fluencies up to 8 J.cm−2. High fluence optics was used for dramatic changes in the carbon layer with the possibility of Q-carbon formation; a specific amorphous carbon phase was detected with Raman spectroscopy. The changes in morphology were determined with atomic force microscopy and confirmed with scanning electron microscopy, where the partial formation of the Q-carbon phase was detected. Energy dispersive spectroscopy (EDS) was applied for a detailed study of surface chemistry. The particular shift of functional groups induced on laser-treated areas was determined by X-ray photoelectron spectroscopy. For the first time, high-dose laser exposure successfully induced a specific amorphous carbon phase. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.