Title: Free-Standing Hierarchical Graphene Oxide/Carbon Nanofiber Structure

Authors: Ephraim F. Zegeye, Greta L. Wilkins, Mark A. Atwater

DOI: 10.33599/nasampe/s.24.0146

Abstract: A hierarchical and free-standing structure consisting of graphene oxide (GO) and carbon nanofibers (CNFs) is created by growing CNFs directly on the surfaces of multilayered GOs. Initially, the GOs are suspended in ethanol and then transferred to a container with a silicon substrate. After evaporating the ethanol, layered GO sheets remain on the silicon substrate. Next, CNFs are grown on the surfaces of the GO sheets using thermal chemical vapor deposition (CVD) technique. The CNFs attach to the GO sheets, creating a pathway for electrical charges and forming a free-standing hierarchical GO/CNF structure. Scanning electron microscopy images demonstrate the growth of CNFs between the GO surfaces. The successful integration between CNFs and GOs during the CVD process results in a high electrical conductivity of 2.7 x 103 S/m.

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Conference: SAMPE 2024

Publication Date: 2024/05/20

SKU: TP24-0000000146

Pages: 10

Price: $20.00