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Vol. 36 No. 11 (2024): Vol 36 Issue 11, 2024

Copyright (c) 2024 Kumar Rajathi, First Author

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Synthesis, Characterization, Photocatalytic and Self Cleaning Behaviour of Sepiolite-Supported CdFe2O4 Nanocomposite

https://doi.org/10.14233/ajchem.2024.32491
K. Kalpana
PG and Research Department of Chemistry, Kalaignar Karunanidhi Government Arts College (Affiliated to Thiruvalluvar University, Vellore), Tiruvannamalai-606603, India
K. Rajathi
PG and Research Department of Chemistry, Kalaignar Karunanidhi Government Arts College (Affiliated to Thiruvalluvar University, Vellore), Tiruvannamalai-606603, India
https://orcid.org/0000-0003-2354-8792

Corresponding Author(s) : K. Rajathi

rajathi_sridhar@rediffmail.com

Asian Journal of Chemistry, Vol. 36 No. 11 (2024): Vol 36 Issue 11, 2024

Abstract

This study employed the hydrothermal co-precipitation approach to synthesize several natural clay-sepiolite supported cadmium ferrite (CdFe2O4) photocatalysts with different weight percentages of sepiolite (3, 5, 9 wt.%). Several techniques were used to characterize the sepiolite/CdFe2O4 composite like photoluminescence spectroscopy (PL), diffuse reflectance spectroscopy (DRS), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HR-TEM) and BET surface area analysis. The results showed that improved CdFe2O4 with 5 wt.% sepiolite had superior photocatalytic activity than undoped CdFe2O4 in eliminating azo dye rhodamine-B when exposed to solar light. The sandwich-like microstructure is shown loosely clustering together in FE-SEM images, with an average particle size of about 50 nm. Moreover, the BET results showed that sepiolite/CdFe2O4 has a larger surface area than undoped CdFe2O4. CdFe2O4, supported by sepiolite, remarkably indicated good photocatalytic activity for up to four applications in a row. Sepiolite/CdFe2O4 is characterized by a high degree of hydrophobicity, as shown by a contact angle of 108.3º and this hydrophobic property is useful for making materials that clean themselves.

Keywords

Sepiolite Cadmium ferrite Photocatalytic activity Self cleaning behaviour BET surface area analysis
Kalpana, K., & Rajathi, K. (2024). Synthesis, Characterization, Photocatalytic and Self Cleaning Behaviour of Sepiolite-Supported CdFe2O4 Nanocomposite. Asian Journal of Chemistry, 36(11), 2539–2546. https://doi.org/10.14233/ajchem.2024.32491
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