2023
DOI: 10.1002/app.53740
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Hypergravity field induced self‐assembly of 2D MXene in polyvinyl alcohol membrane matrix and its improvement of alcohol/water pervaporation

Abstract: Hydrophilic nanomaterials were always used to improve the pervaporation (PV) performance of polyvinyl alcohol (PVA) membrane in the process of ethanol dehydration. In this work, the PVA/MXene composite membrane with high water flux and separation factor was fabricated with spin coating method.Induced by the hypergravity force, the MXene nanosheets were segregated and stacked layer-by-layer between the interface of the PVA/MXene layer and the support. The self-assembly 2D MXene in the PVA not only improved the … Show more

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Cited by 3 publications
(3 citation statements)
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“…MXene nanosheets were fabricated by the in situ etching method which is provided in our previous study [30]. Briefly, 2.4 g LiF, 35mL HCl (12 M) and 2 g of MAX powder were mixed and stirred for 48 h at a temperature of 40 • C. After being diluted by and sonicated in DI water for 3 h, the mixture was filtrated and freeze-dried.…”
Section: Preparation Of Ti 3 C 2 T X -Based Mxene Nanosheetsmentioning
confidence: 99%
See 1 more Smart Citation
“…MXene nanosheets were fabricated by the in situ etching method which is provided in our previous study [30]. Briefly, 2.4 g LiF, 35mL HCl (12 M) and 2 g of MAX powder were mixed and stirred for 48 h at a temperature of 40 • C. After being diluted by and sonicated in DI water for 3 h, the mixture was filtrated and freeze-dried.…”
Section: Preparation Of Ti 3 C 2 T X -Based Mxene Nanosheetsmentioning
confidence: 99%
“…A single-layer Ti 3 C 2 T x nanosheet was prepared by the in situ etching method of LiF and HCl [30]. The Ti 3 C 2 T x nanosheets were freeze-dried thoroughly, and the grey powder was obtained, as shown in Figure 3a.…”
Section: Microstructure and Chemical Structurementioning
confidence: 99%
“…This process resulted in the exfoliation of the material into 2D layers, thus creating MXene. The initial discovery has since sparked a surge in research aimed at understanding and harnessing the properties of MXenes [ 10 , 11 ].…”
Section: Introductionmentioning
confidence: 99%