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Electrochemical exfoliation of graphite has emerged as a potentially scalable approach to prepare graphene. However, most of exfoliated graphite particles are inhomogeneous and multilayer stacked structures including tens of layers thick graphite exist inevitably, thus the yield of few-layer graphene remains limited. In this study, we here propose a high-yield, scalable electrochemical exfoliation...
Vapor grown carbon fibers have been prepared without any catalyst by microwave pyrolysis chemical vapor deposition using CH 4 as source gas and N 2 as carrier gas at 1050–1150°C. Scanning electron microscopy images reveal that vapor grown carbon fibers are made up of sub-fibers which are hexagonal and layer-like carbon. Polarized light images indicate that sub-fibers are formed by...
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