Plant and bacteria mediated synthesis of TiO2 NPs for dye degradation in water. A review

Abstract

Researchers are concerned about the water contamination brought on by contaminants such as dyes and pharmaceuticals as a result of rising human activity, notably in the textile sector, hospitals, and homes. Many physical and chemical processes are frequently employed for the synthesis of nanoparticles (NPs). Green synthesis techniques have recently improved the simplicity, safety, and cost factors concerned with the synthesis of nanoparticles. In recent times, interest has moved towards environmentally friendly, reliable and efficient production of titanium dioxide nanoparticles (TiO2 NPs). This semiconductor material is known for its photocatalytic abilities in particular against the degradation of dye pollutants, though it suffers from several limitations. The use of reducing and capping agents such as plant and bacteria, has allowed for the synthesis of this safe material. Thus, it is imperative to review and understand the progress made in the synthesis of TiO2 materials using green methods.

Keywords

• TiO2 NPs
• Green synthesis
• Plants
• Bacteria
• Photocatalytic degradation