Preparation and physicochemical analysis of Co3O4/SnO2/TiO2 hybrid ternary systems with enhanced photocatalytic activity under solar light irradiation

Sivakumar S santhanam; Muthamilarasu A A; sivakumar m murugesan; Sakthi D sakthi; Vadivel P vadivel

doi:10.46947/joaasr362021139

Authors

Sivakumar S santhanam Assistant professor,department ofchemistry, E.R.K arts and science college
Muthamilarasu A A Research scholar, department of chemistry,E.R.K rtsand science college
sivakumar m murugesan Assistant professor, Department of chemistry, E.R.K arts and science college
Sakthi D sakthi Principal, Department of physics, E.R.K arts and science college
Vadivel P vadivel Assistant professor, department of chemistry, salem sowdeswari college

DOI:

https://doi.org/10.46947/joaasr362021139

Keywords:

Ternary composite; Co3O4/SnO2/TiO2; TiO2; Solar light degradation; reactive orange 30

Abstract

Various combinations of TiO₂ and SnO₂ in binary composites of SnO₂/TiO₂ and (2-10 wt. %) Co₃O₄ on SnO₂/TiO₂ of ternary composite Co₃O₄/SnO₂/TiO₂ with were prepared. All the photocatalysts shows anatase crystalline phase and some of appropriate peaks of SnO2 and Co3O4 peaks also present in binary and ternary systems, which is confirmed by X-Ray diffraction analysis. UV-Vis DRS indicated that all ternary composite Co₃O₄/SnO₂/TiO₂ showed strong response in visible region and pure materials shows representative band positions. The molecular structure of M-O linkages (Ti-O, Co-O and Sn-O) is studied by FTIR analyses. Other physicochemical techniques such as SEM and PL also confirm the surface property and electronic excitation state. Ternary composite Co₃O₄/SnO₂/TiO₂ demonstrates the highest decomposition for simultaneous degradation of reactive orange 30 (RO 30) under solar light.