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Analysis of the Morphology and Structure of Carbon Deposit Formed on the Surface of Ni3Al Foils as a Result of Thermocatalytic Decomposition of Ethanol

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Faculty of Advanced Technologies and Chemistry, Institute of Materials Science and Engineering, Military University of Technology, 00-908 Warszawa, Poland
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Faculty of Materials Science and Engineering, Warsaw University of Technology, 02-507 Warszawa, Poland
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Faculty of Advanced Technologies and Chemistry, Institute of Chemistry, Military University of Technology, 00-908 Warszawa, Poland
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Institute of Optoelectronics, Military University of Technology, 00-908 Warszawa, Poland
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Authors to whom correspondence should be addressed.
Academic Editor: Polina P. Kuzhir
Materials 2021, 14(20), 6086; https://doi.org/10.3390/ma14206086
Received: 13 September 2021 / Revised: 5 October 2021 / Accepted: 7 October 2021 / Published: 14 October 2021
(This article belongs to the Special Issue Intermetallics—Current Research and Applications)
This article presents the results of investigations of the morphology and structure of carbon deposit formed as a result of ethanol decomposition at 500 °C, 600 °C, and 700 °C without water vapour and with water vapour (0.35 and 1.1% by volume). scanning electron microscopy (SEM) and scanning transmission electron microscopy (STEM) observations as well as energy dispersive X-ray spectrometry (EDS), X-ray diffraction (XRD), and Raman spectroscopic analyses allowed for a comprehensive characterization of the morphology and structure of cylindrical carbon nanostructures present on the surface of the Ni3Al catalyst. Depending on the reaction mixture composition (i.e., water vapour content) and decomposition temperature, various carbon nanotubes/carbon nanofibres (CNTs/CNFs) were observed: multiwalled carbon nanotubes, herringbone-type multiwall carbon nanotubes, cylindrical carbon nanofibers, platelet carbon nanofibers, and helical carbon nanotubes/nanofibres. The discussed carbon nanostructures exhibited nickel nanoparticles at the ends and in the middle part of the carbon nanostructures as catalytically active centres for efficient ethanol decomposition. View Full-Text
Keywords: CNT/CNF morphology; Ni3Al foils; ethanol decomposition CNT/CNF morphology; Ni3Al foils; ethanol decomposition
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MDPI and ACS Style

Jóźwik, P.; Baran, A.; Płociński, T.; Dziedzic, D.; Nawała, J.; Liszewska, M.; Zasada, D.; Bojar, Z. Analysis of the Morphology and Structure of Carbon Deposit Formed on the Surface of Ni3Al Foils as a Result of Thermocatalytic Decomposition of Ethanol. Materials 2021, 14, 6086. https://doi.org/10.3390/ma14206086

AMA Style

Jóźwik P, Baran A, Płociński T, Dziedzic D, Nawała J, Liszewska M, Zasada D, Bojar Z. Analysis of the Morphology and Structure of Carbon Deposit Formed on the Surface of Ni3Al Foils as a Result of Thermocatalytic Decomposition of Ethanol. Materials. 2021; 14(20):6086. https://doi.org/10.3390/ma14206086

Chicago/Turabian Style

Jóźwik, Pawel, Agata Baran, Tomasz Płociński, Daniel Dziedzic, Jakub Nawała, Malwina Liszewska, Dariusz Zasada, and Zbigniew Bojar. 2021. "Analysis of the Morphology and Structure of Carbon Deposit Formed on the Surface of Ni3Al Foils as a Result of Thermocatalytic Decomposition of Ethanol" Materials 14, no. 20: 6086. https://doi.org/10.3390/ma14206086

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