Antibacterial Potential of SrBi2Ta2O9 Synthesized via Molten Salt Method

Lailatul Izzah, Nuril, Savira, Amalia, Maunatin, Anik ORCID: https://orcid.org/0000-0002-3054-4661, Nur Safitri, Widya, ardian, Arie H and Prasetyo, Anton ORCID: https://orcid.org/0000-0003-1575-8634 (2025) Antibacterial Potential of SrBi2Ta2O9 Synthesized via Molten Salt Method. The Journal of Pure and Applied Chemistry Research, 14 (1). pp. 13-22. ISSN 2541-0733

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Abstract

One of the interesting properties of Aurivillius compounds is photocatalysts; therefore, they
have the potential to be used as antibacterials. However, the study of the antibacterial
properties of Aurivillius compounds is still very limited, therefore it’s important to conduct
research on it’s properties. Our research aims to study the photocatalytic activity of
SrBi2Ta2O9 compounds synthesized by molten salt method (using NaCl/KCl salt) as
antibacterial. The diffractogram of the sample shows that the SrBi2Ta2O9 was successfully
synthesized, but an impurity phase was formed as Bi2O3, Ta2O5, and SrBi2.83Ta5O15. The SEM
images show that the morphological shape obtained is plate-like, which still has
agglomeration with particle size distribution at range 20-80 μm. Plot tauc shows that the band
gap energy of SrBi2Ta2O9 compounds is 2.8 and 3.06 eV, respectively. The antibacterial
activity test results showed that the SrBi2Ta2O9 compound can inhibit staphylococcus
bacterial growth under and without light radiation. It indicates that there are two possible
mechanisms related to the inhibition of bacterial growth i.e: (a) photocatalysis, and (b)
toxicity properties.

Item Type:	Journal Article
Keywords:	SrBi2Ta2O9, molten salt synthesis, photocatalyst, antibacterial
Subjects:	03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030203 Inorganic Green Chemistry
Divisions:	Faculty of Mathematics and Sciences > Department of Chemistry
Depositing User:	Anik Ma'unatin
Date Deposited:	10 Jul 2026 15:53

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