From tremella-like MoS2 to α-MoO3 nanoplates: sintering synthesis and adsorption properties

Zhe Cui; Yangang Sun

From tremella-like MoS₂ to α-MoO₃ nanoplates: sintering synthesis and adsorption properties

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Author(s): Zhe Cui¹ and Yangang Sun¹
- Affiliations: 1: College of Chemistry and Chemical Engineering , Shanghai University of Engineering Science , Shanghai 201620 , People's Republic of China
Source: Volume 12, Issue 9, September 2017, p. 652 – 655
DOI: 10.1049/mnl.2017.0045 , Online ISSN 1750-0443

Received 14/02/2017, Accepted 11/04/2017, Revised 31/03/2017, Published 01/09/2017

A simple calcination method was explored to synthesise the tremella-like molybdenum disulphide (MoS₂), Mo trioxide (MoO₃)/MoS₂ and MoO₃ nanoplates by using the pristine MoS₂ nanosheets as the precursor. The possible formation and growth mechanism from the pristine MoS₂ to the tremella-like MoS₂, MoO₃/MoS₂ nanoplates and MoO₃ nanoplates was proposed. It was found that the calcination temperature was a key factor for the formation, ingredient and phase structure of the three samples. The adsorption properties of the three samples for an aqueous solution of methylene blue (MB) at room temperature were investigated. The results revealed that the products exhibit the better adsorption capacities with increasing the ingredient of MoO₃ in the transformation process from MoS₂ to MoO₃. Therefore, the pure MoO₃ nanoplates have the highest adsorption and removal rates, which reached 96.9% at MB concentration of 10 mg/l and 90.9% at MB concentration of 20 mg/l.

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From tremella-like MoS₂ to α-MoO₃ nanoplates: sintering synthesis and adsorption properties

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