4.6 Article

Low temperature plasma treatment of rice husk derived hybrid silica/carbon biochar using different gas sources

期刊

MATERIALS LETTERS
卷 292, 期 -, 页码 -

出版社

ELSEVIER
DOI: 10.1016/j.matlet.2021.129678

关键词

Plasma treatment; Biochar; Carbon; silica; Surface chemistry

资金

  1. NSF-AL EPSCoR [16552820]
  2. GRSP ALEPSCoR
  3. NSF-MRI [1531934]
  4. Direct For Mathematical & Physical Scien
  5. Division Of Materials Research [1531934] Funding Source: National Science Foundation

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Hybrid silica/carbon particles synthesized from rice husk were subjected to low temperature plasma treatments with different gas sources, resulting in effective alteration of surface properties and increased nanoporous structure in oxygen plasma treatments.
Hybrid silica/carbon particles were synthesized from rice husk as sustainable precursor material. Synthesized material was subjected to low temperature plasma treatments in presence of different gas sources like Argon, Oxygen and Sulphur Hexafluoride. Effects of plasma treatments were characterized using various techniques. It was found that plasma treatments were effective in altering surface properties like surface binding energies, functionalities and morphology. Plasma treatments did not have any substantial effects on bulk properties of rice husk biochar. However, in case of oxygen plasma treatments it was found to be effective in surface level etching resulting in increased nanoporous structure. CO 2021 Published by Elsevier B.V.

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