The graphs show intense peaks at 3450
(hydroxyl group),2350(carbon dioxide),1620(alkene group
CQC), and 1060 cm?1 (alcohol group C–O). Fig. 7(i)
shows high-intensity peaks(e.g., hydroxyl, carbon dioxide,and
alcohol groups),which indicate that large amounts of O functional
groups were introduced into the graphite powder after oxidation.
The highest intensity hydroxyl group was obtained after
oxidizing GO for 72h.
The graphs show intense peaks at 3450(hydroxyl group),2350(carbon dioxide),1620(alkene groupCQC), and 1060 cm?1 (alcohol group C–O). Fig. 7(i)shows high-intensity peaks(e.g., hydroxyl, carbon dioxide,andalcohol groups),which indicate that large amounts of O functionalgroups were introduced into the graphite powder after oxidation.The highest intensity hydroxyl group was obtained afteroxidizing GO for 72h.
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