Extraction and Characterization of Silica from Reeds Biomass (Imperata cylindrical) in Various Annealing Temperature

Authors

  • Dyah Ayu Pramoda Wardani Department of Chemistry, Faculty of Mathematics and Natural Science, University of Palangka Raya, Palangka Raya 73111, Central Kalimantan, Indonesia http://orcid.org/0000-0001-9460-4937
  • Neny Kurniawati Department of Physics, Faculty of Mathematics and Natural Science, University of Palangka Raya, Palangka Raya 73111, Central Kalimantan, Indonesia http://orcid.org/0000-0001-8740-0039
  • Budi Hariyanto Department of Physics, Faculty of Mathematics and Natural Science, University of Palangka Raya, Palangka Raya 73111, Central Kalimantan, Indonesia http://orcid.org/0000-0002-6403-0693
  • Nazopatul Patonah Har Department of Physics, Faculty of Mathematics and Natural Science, IPB University, Bogor 16680, West Java, Indonesia
  • Noviyan Darmawan Department of Chemistry, Faculty of Mathematics and Natural Science, IPB University, Bogor 16680, West Java, Indonesia http://orcid.org/0000-0002-0197-6094
  • Rofiqul Umam School of Science and Technology, Kwansei Gakuin University, Japan http://orcid.org/0000-0002-7095-5967
  • Irzaman Irzaman Department of Physics, Faculty of Mathematics and Natural Science, IPB University, Bogor 16680, West Java, Indonesia http://orcid.org/0000-0002-6447-3726

DOI:

https://doi.org/10.4302/plp.v15i1.1186

Keywords:

Reeds biomass, annealing temperature, cristoballite, band gap energy, optical properties, dielectric function

Abstract

Reeds biomass has been successfully extracted. It calcinated with annealing temperatures at 800 °C (A800), 850 °C (A850), and 900 °C (A900). The x-ray pattern showed that it has a cristoballite (SiO2) crystal structure. The band gap energy values are 3.8 eV, 3.7 eV and 4.7 eV, respectively. FTIR spectra show the groups are silanol, siloxane, and monohydride. Quantitatively, it provide results to determine the optical properties and dielectric functions which indicate shift to longer wavelengths with an increase in annealing temperature. The morphology gives different image where the particles are formed flakes (A800), aggregates (A850) and porous aggregates (A900).

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Author Biography

Dyah Ayu Pramoda Wardani, Department of Chemistry, Faculty of Mathematics and Natural Science, University of Palangka Raya, Palangka Raya 73111, Central Kalimantan, Indonesia

Department of Chemistry

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Published

2023-04-02

How to Cite

[1]
D. A. P. Wardani, “Extraction and Characterization of Silica from Reeds Biomass (Imperata cylindrical) in Various Annealing Temperature”, Photonics Lett. Pol., vol. 15, no. 1, pp. 4–6, Apr. 2023.

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