Synthesis of Bi4Ti3O12/TiO2 Composite using Sonication Method

• Main Authors: Vina Nurul Istighfarini, Ervina Dwi Inggarwati, Anton Prasetyo
• Format: Article
• Language: English
• Published: Fakultas MIPA Universitas Jember 2020-07-01
• Series: Jurnal Ilmu Dasar
• Subjects: omposite photocatalyst; heterojunction; sonochemical; bi4ti3o12; tio2
• Online Access: https://jurnal.unej.ac.id/index.php/JID/article/view/13674

Composite Bi4Ti3O12/TiO2 heterojunction photocatalyst has been prepared by sonication methods. The heterojunction material Bi4Ti3O12/TiO2 was synthesized using an ultrasonic cleaning bath for 4 hours, by mixing Bi4Ti3O12 and TiO2 with variations in the comparison of mol 1:1, 1:2, 1:4 and 1:6. Characterization with XRD showed heterojunction material consisting of Bi4Ti3O12, anatase, rutile, and Bi12TiO20. The surface was observed by SEM which showed the morphology of Bi4Ti3O12/TiO2 were spherical TiO2 and plate-like Bi4Ti3O12. The band gap energy of heterojunction material with a variation in mol Bi4Ti3O12: TiO2 of 1:1, 1:2, 1:4 and 1:6 are 3.09; 3.10; 3.15; and 3.16 eV respectively. The all of band gap energy is lower than the band gap energy of TiO2 anatase and higher than the band gap energy of Bi4Ti3O12.