Synthesis of 2D anatase TiO₂ with highly reactive facets by fluorine-free topochemical conversion of 1T-TiS₂ nanosheets

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2D anatase TiO2 nanosheets synthesized via fluorine-free topochemical conversion of 1T-TiS2 expose {001} and {100} facets, which enhances the hydrogen evolution reaction (HER) compared to standard Degussa P25 TiO2 nanoparticles, but does not enhance the oxygen reduction reaction (ORR). Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Marco Zarattini; Chaochao Dun; Liam H. Isherwood; Alexandre Felten; Jonathan Filippi; Madeleine P. Gordon; Linfei Zhang; Omar Kassem; Xiuju Song; Wenjing Zhang; Robert Ionescu; Jarrid A. Wittkopf; Aliaksandr Baidak; Helen Holder; Carlo Santoro; Alessandro Lavacchi; Jeffrey J. Urban; Cinzia Casiraghi

doi:10.1039/d1ta06695a

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Abstract

Highly crystalline anatase TiO 2 nanosheets, made by controlled oxidation of TiS 2 nanosheets, expose the {001} and {100} facets, giving rise to enhancement in HER as compared to Degussa P25 TiO 2 nanoparticles. No enhancement in ORR was observed.

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Zarattini et al. (2022) studied this question.

synapsesocial.com/papers/6a23d04396b50e6ae79f1094 https://doi.org/10.1039/d1ta06695a

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Synthesis of 2D anatase TiO₂ with highly reactive facets by fluorine-free topochemical conversion of 1T-TiS₂ nanosheets

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Abstract

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Synthesis of 2D anatase TiO₂ with highly reactive facets by fluorine-free topochemical conversion of 1T-TiS₂ nanosheets

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Abstract

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