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Tamer GÜZEL
ANALYSIS OF ULTRA-LONG CARBON MICROTUBULE-LIKE STRUCTURES VISIBLE IN ELECTROCHEMICAL EXFOLIATION OF GRAPHITE
 
Graphene is a single-atom-thick layer of sp2-bonded carbon atoms, ideally arranged in a hexagonal lattice [1]. This special structure has given it extremely attractive electronic, thermal, optical, mechanical, and chemical properties[2]. Due to this situation, it has become the most researched material. Due to its unique properties, it has found application areas in many fields, especially energy, electronics, and optics[3]. Many graphene production methods have been proposed [4]. One of these methods is the electrochemical exfoliation method. This method generally consists of an anode and cathode that are applied electrical voltage, as well as an electrolytic liquid. Pure graphite or its different forms are generally used as the carbon source in the anode or cathode. However, the structures in the form of very long tubes that can be seen in the produced product are quite remarkable. In this study, quantitative analysis of these micro-length tube-like structures visible in the product has been presented. At this point, since the product is in the form of a mixture, the ability to focus on the target of scanning electron microscopy and energy dispersive x-ray spectroscopy was turned into an opportunity and the structural differences of the exfoliated graphene nanoparticles were compared with these structures [5]. These structures were found to contain more oxygen (31-39%) than the exfoliated particle (17-23%) within the limits of this study. Therefore, it has been determined that high levels of oxygen may have an effect on the formation of these structures

Anahtar Kelimeler: carbon micro tube, ultra long carbon tube, graphene nano tube, graphene oxide tube Reference



 


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