Solar-light driven photocatalytic activity of mesoporous nanocrystalline TiO2, SnO2, and TiO2-SnO2 composites. (September 2019)

• Record Type: Journal Article
• Authors: Alagarasi, A.; Rajalakshmi, P.U.; Shanthi, K.; Selvam, P.
• Is Part Of: Materials today sustainability. Volume 5(2019)
• Publication Date: 2019-09
• Subjects: Nanoporous titania -- Tin oxide -- Titania-tin oxide composite -- Phtocatalysis -- Degradation 4-chlorophenol; Materials science -- Environmental aspects -- Periodicals; Sustainable engineering -- Periodicals; 620.11
• DOI: 10.1016/j.mtsust.2019.100016
• Languages: English
• ISSNs: 2589-2347

Abstract

Abstract: Mesoporous nanocrystalline metal oxides such as TiO2, SnO2, and TiO2 -SnO2 composites form a new class of mesoporous inorganic solids, which exhibit excellent structural, textural, optical, and photocatalytic properties. Furthermore, they also possess a large number of surface-exposed catalytic active sites in addition to their intrinsic flexible diffusion characteristics. In this investigation, we report the photocatalytic activity of high-quality mesoporous TiO2, SnO2, and TiO2 -SnO2 composites. All the catalysts were tested for photocatalytic degradation of 4-chlorophenol under a solar simulator. The reaction results indicate that the anatase-phase mesoporous Ti0·9 Sn0·1 O2 exhibits enhanced activity as compared with the commercial TiO2 (P-25). Graphical abstract: Image 1