Sintesis komposit Bi4Ti3O12/TiO2 dengan metode sonikasi

Inggarwati, Ervina Dwi and Istighfarini, Vina Nurul and Prasetyo, Anton (2020) Sintesis komposit Bi4Ti3O12/TiO2 dengan metode sonikasi. Jurnal Ilmu Dasar, 21 (2). pp. 81-86. ISSN 2442-5613

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Abstract

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.

Item Type: Journal Article
Keywords: composite photocatalyst; heterojunction; sonochemical; Bi4Ti3O12; TiO2.
Subjects: 03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030206 Solid State Chemistry
03 CHEMICAL SCIENCES > 0306 Physical Chemistry (incl. Structural) > 030601 Catalysis and Mechanisms of Reactions
03 CHEMICAL SCIENCES > 0306 Physical Chemistry (incl. Structural)
Divisions: Faculty of Mathematics and Sciences > Department of Chemistry
Depositing User: Dr Anton Prasetyo
Date Deposited: 01 Sep 2020 08:58

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