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Publication Type : Journal Article
Thematic Areas : Biotech
Publisher : Materials Letters
Source : Materials Letters, Volume 283, p.128750 (2021)
Url : http://dx.doi.org/10.1016/j.matlet.2020.128750
Keywords : Cr(VI) reduction, Fibrous red phosphorus, Photocatalysis, Solid state synthesis
Campus : Amritapuri, Chennai
School : School of Biotechnology, School of Engineering
Center : Biosensor Research Lab, Biotechnology
Department : biotechnology, Chemistry
Year : 2021
Abstract : Hexavalent chromium is an important inorganic industrial effluent in the water that causes serious health problems to the mankind. Photocatalytic reduction of Cr(VI) is a green technology that converts the toxic Cr(VI) to non-toxic Cr(III). In the photocatalytic reduction of Cr(VI), transition metal oxide semiconductors are mainly used as photocatalysts. This infers, for the removal of a transition metal i.e. Cr(VI), another transition metal is added in the form of photocatalyst. Hence, we explore a non-metallic, elemental photocatalyst fibrous red phosphorus (FRP), a crystalline allotrope of red phosphorus as photocatalyst for Cr(VI) reduction. FRP exhibits excellent photocatalytic activity towards Cr(VI) reduction under direct sunlight and we observed complete reduction of Cr(VI) (25 mg/L) within 40 min at pH-2.
Cite this Research Publication : Athira, T.K., Roshith, M., Babu, T.S. and Kumar, D.V.R., Fibrous red phosphorus as a non-metallic photocatalyst for the effective reduction of Cr (VI) under direct sunlight. Mater. Lett, 2021, 283,128750.