Molten salt synthesis of photocatalyst material SrBi4Ti4O15 for methylene blue degradation

Al-Abror, Muhammad Lathif, Hastuti, Erna ORCID: https://orcid.org/0000-0002-2521-9258 and Prasetyo, Anton (2022) Molten salt synthesis of photocatalyst material SrBi4Ti4O15 for methylene blue degradation. Jurnal Rekayasa Kimia dan Lingkungan (Journal of Chemical Engineering and Environment), 17 (2). pp. 182-189. ISSN 1412-5064

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Abstract

The four-layered Aurivillius SrBi4Ti4O15 compound has been reported to be potentially used as a photocatalyst material. In this research, SrBi4Ti4O15 was prepared by the molten salt method using NaCl/KCl and then used to degrade methylene blue. The analysis of sample diffractogram indicated that the SrBi4Ti4O15 was obtained but there was still the impurities of Bi4Ti3O12. A micrograph showed that particle shape of SrBi4Ti4O15 is plate-like (sheets) with a lot of agglomeration. The band gap energy of SrBi4Ti4O15 is 3.14 eV (394.85 nm), according to the Kubelka-Munk calculation from the spectrum of reflectance. The photocatalytic test results showed that SrBi4Ti4O15 degraded methylene blue to 47.8% in 120 minutes.

Item Type:	Journal Article
Keywords:	Aurivillius; degradation; methylene blue; photocatalyst material; SrBi4Ti4O15
Subjects:	09 ENGINEERING > 0912 Materials Engineering > 091203 Compound Semiconductors
Divisions:	Faculty of Mathematics and Sciences > Department of Physics
Depositing User:	Erna Erna Hastuti
Date Deposited:	17 Apr 2023 11:49

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