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MoS₂ nanosheet mediated ZnO-g-C₃N₄ nanocomposite as a peroxidase mimic: catalytic activity and application in the colorimetric determination of Hg(ii).

ABSTRACT: A novel colorimetric sensing platform using the peroxidase mimicking activity of ternary MoS₂-loaded ZnO-g-C₃N₄ nanocomposites (ZnO-g-C₃N₄/MoS₂) has been developed for the determination of Hg(ii) ions over co-existing metal ions. The nanocomposite was prepared using an exfoliation process, and the product was further characterized using SEM, TEM, XRD and FTIR analysis. The ZnO-g-C₃N₄/MoS₂ possesses excellent intrinsic catalytic activity to induce the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) in aqueous solution in the presence of H₂O₂ to generate deep blue coloured cation radicals (TMB⁺) which can be viewed with the naked eye and produce absorbance at

SUBMITTER: Babu Christus AA

PROVIDER: S-EPMC9060464 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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MoS₂ nanosheet mediated ZnO-g-C₃N₄ nanocomposite as a peroxidase mimic: catalytic activity and application in the colorimetric determination of Hg(ii).

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MoS2 nanosheet mediated ZnO-g-C3N4 nanocomposite as a peroxidase mimic: catalytic activity and application in the colorimetric determination of Hg(ii).

OmicsDI is part of the ELIXIR infrastructure

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MoS₂ nanosheet mediated ZnO-g-C₃N₄ nanocomposite as a peroxidase mimic: catalytic activity and application in the colorimetric determination of Hg(ii).