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Synthesis of MoAlB Particulates and Their Porous Derivatives by Selective Deintercalation of Al from MoAlB

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Energy Technology 2018 (TMS 2018)

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This paper reports for the first time the synthesis of deintercalated MoAlB particulates which belongs to a family of novel ternary borides called MAB phases by selected etching of Al from these particulates by treating them with a solution of LiF and HCl. The FESEM analysis showed that these particulates had a stacked 2D-particles like morphology reminiscent of multilayered MXenes, but unlike MXenes, the 2D layers were interconnected with anisotropic porosity between them with an average length and width of pores being 257 ± 126 nm and 35 ± 10 nm, respectively. The EDS analysis of particulates showed that a typical particulate had a chemistry of (Mo0.67Al0.33)B{O0.19F0.02} which indicate partial deintercalation of Al from the particulates. These novel particulates were also referred to as MABenes due to their microstructural similarity with multilayered MXenes.

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One of the authors (SG) would like to acknowledge the University of North Dakota start up funding, SSAC, ND Venture Grant, and NSF EPSCoR for support. NDSU Electron Microscopy Center core facility is also acknowledged for the microscopy. This material is also based upon work supported by the National Science Foundation under Grant No. 0619098, and 1229417. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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Correspondence to S. Gupta .

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Gupta, S., Fuka, M. (2018). Synthesis of MoAlB Particulates and Their Porous Derivatives by Selective Deintercalation of Al from MoAlB. In: Sun, Z., et al. Energy Technology 2018 . TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham.

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