One-step synthesis of carbon nanoflowers by arc discharge in water

Nanoflowers are a recent class of nanomaterials that show structural similarity to plant flowers. Among these structures, carbon nanoflowers (CNFs) stand out as promising materials for application in electrochemistry, gas adsorption and absorption, batteries and supercapacitors. This paper innovates...

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Bibliographic Details
Published in:Ceramics international 2020-11, Vol.46 (16), p.26229-26232
Main Authors: Kaufmann Junior, Claudir Gabriel, Zampiva, Rúbia Young Sun, Anzanello, Michel J., Alves, Annelise Kopp, Bergmann, Carlos Pérez, Mortari, Sergio Roberto
Format: Article
Language:English
Subjects:
Carbon nanoflowers
Electric arc in water
Low-cost production
One-step synthesis
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Summary:Nanoflowers are a recent class of nanomaterials that show structural similarity to plant flowers. Among these structures, carbon nanoflowers (CNFs) stand out as promising materials for application in electrochemistry, gas adsorption and absorption, batteries and supercapacitors. This paper innovates by presenting a method for CNFs production using electric arc (EA) discharge in water. The main advantage of using water instead of other liquid media is the possibility of reusing that water several times, reducing its waste in an eco-friendly process. X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) show that the yielded CNFs present high quality (ID/IG = 1.03), homogeneity and purity. The low-cost and simplicity of CNFs synthesis by EA in water make their production on an industrial scale attractive.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2020.07.071