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Acetylacetonate (Aldrich,0.6 mL, 6 mmol) was activated with sodium hydride (Aldrich,144 mg, 6 mmol) in 100 mL of toluene:THF (1:1) solution for30 min that is in stoichiometric reactant ratio. Then the sodiumacetylacetonate solution was added on the oxidized CNFs sample (3.3 g). The mixture was stirred under helium
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