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Barium titanate nanostructures for photocatalytic hydrogen generation and photodegradation of chemical pollutants

Karthik, K. V. ; Reddy, Ch. Venkata ; Reddy, Kakarla Raghava ; Ravishankar, R. ; Sanjeev, Ganesh ; Kulkarni, Raghavendra V. ; Shetti, Nagaraj P. ; Raghu, A. V.

Journal of materials science. Materials in electronics, 2019-12, Vol.30 (23), p.20646-20653 [Periódico revisado por pares]

New York: Springer US

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Título:
Barium titanate nanostructures for photocatalytic hydrogen generation and photodegradation of chemical pollutants
Autor: Karthik, K. V. ; Reddy, Ch. Venkata ; Reddy, Kakarla Raghava ; Ravishankar, R. ; Sanjeev, Ganesh ; Kulkarni, Raghavendra V. ; Shetti, Nagaraj P. ; Raghu, A. V.
Assuntos: Barium ; Barium titanates ; Catalytic activity ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Decoloring ; Hydrogen production ; Light irradiation ; Materials Science ; Morphology ; Nanoparticles ; Optical and Electronic Materials ; Organic chemistry ; Photocatalysis ; Photodegradation ; Pollutants ; Potassium ; Potassium dichromate ; Room temperature ; Sol-gel processes ; Ultraviolet radiation
É parte de: Journal of materials science. Materials in electronics, 2019-12, Vol.30 (23), p.20646-20653
Descrição: Barium titanate nanoparticles (NPs) were synthesised using a modified sol–gel technique. The structure and morphology of NPs were described using various techniques. The photocatalytic activities of the NPs were evaluated by the photocatalytic degradation of Eriochrome black T and potassium dichromate in the presence of UV light irradiation. The barium titanate NP catalyst exhibited higher photocatalytic activity for the degradation of pollutants effectively at room temperature. The different parameters effects such as pollutant initial concentration, loading of photocatalyst, initial pH values of the solution were also examined on the decolourization efficiency of the pollutants. The highest degradation efficiency was achieved for Eriochrome dark T (93%) and potassium dichromate (92%) pollutants. The prepared NPs showed 26 μmol g −1 hydrogen generation within 5 h.
Editor: New York: Springer US
Idioma: Inglês

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Barium titanate nanostructures for photocatalytic hydrogen generation and photodegradation of chemical pollutants

Karthik, K. V. ; Reddy, Ch. Venkata ; Reddy, Kakarla Raghava ; Ravishankar, R. ; Sanjeev, Ganesh ; Kulkarni, Raghavendra V. ; Shetti, Nagaraj P. ; Raghu, A. V.

New York: Springer US

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