Abstract
Zinc oxide (ZnO) is among the most interesting metal oxide with remarkable performance in electronics, semiconducting materials and photocatalysis, specially as nanomaterials. In this work, carbon/ZnO nanocomposites were designed using a low temperature precipitation process and TEMPO-oxidized (2,2,6,6-Tetramethyl-1-piperidinyloxy as TEMPO) cellulose as a reactive template. The resulting nanomaterials were characterized by XRD, SEM, TEM, BET, EDX and UV–vis spectroscopy analysis. It was found that the formation of carbon/ZnO nanocomposites with various morphologies not only involved the structure of TEMPO-oxidized cellulose but also depended on the content of the carboxyl groups of TEMPO-oxidized cellulose. In this approach, TEMPO-oxidized cellulose is not only a template provider, but is a C-provider leading to a compound into the ZnO nanocrystals which were decreased the band gaps of samples. ZnO-T12 exhibited a significant photodegradation on methyl orange with 96.11% within 120 min and good reusability.
Published Version
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