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Nafion-assisted exfoliation of MoS2 in water phase and the application in quick-response NIR light controllable multi-shape memory membrane 被引量：3

Nafion-assisted exfoliation of MoS2 in water phase and the application in quick-response NIR light controllable multi-shape memory membrane
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摘要 In the current study, Nation is adopted as a dispersant for assisting the water- phase exfoliation of MoS2. The completely ionized hydrophilic sulfonic groups and hydrophobic polytetrafluoroethylene backbone permit strong non-covalent bonding interactions between Nation and exfoliated nanosheets for stabilization and functionalization to obtain Nation-modified MoS2 （N-MoS2） nanocomposites. These interactions are stable in different pH environments. The concentration of Nation influences the exfoliation efficiency and the size of the exfoliated nanosheets. N-MoSdNation composite membranes are prepared. The N-MoS2 nanocomposite exhibits good dispersibility in a Nation matrix, benefitting from the functionalization of Nation. The N-MoSdNafion composite membrane shows excellent near-infrared light-controllable multi-shape-memory performance with convenient operation. The Nation-assisted water-phase exfoliation method shows good efficiency, convenient operation, environmental benignity, and broad application potential. In the current study, Nation is adopted as a dispersant for assisting the water- phase exfoliation of MoS2. The completely ionized hydrophilic sulfonic groups and hydrophobic polytetrafluoroethylene backbone permit strong non-covalent bonding interactions between Nation and exfoliated nanosheets for stabilization and functionalization to obtain Nation-modified MoS2 （N-MoS2） nanocomposites. These interactions are stable in different pH environments. The concentration of Nation influences the exfoliation efficiency and the size of the exfoliated nanosheets. N-MoSdNation composite membranes are prepared. The N-MoS2 nanocomposite exhibits good dispersibility in a Nation matrix, benefitting from the functionalization of Nation. The N-MoSdNafion composite membrane shows excellent near-infrared light-controllable multi-shape-memory performance with convenient operation. The Nation-assisted water-phase exfoliation method shows good efficiency, convenient operation, environmental benignity, and broad application potential.
作者 Wei Jia Beibei Tang Peiyi Wu
机构地区 State Key Laboratory of Molecular Engineering of Polymers
出处 《Nano Research》 SCIE EI CAS CSCD 2018年第1期542-553,共12页 纳米研究（英文版）
关键词 Nation MoS2 exfoliation multi-shape memorymembrane Nation,MoS2,exfoliation,multi-shape memorymembrane
分类号 O614.433 [理学—无机化学] TH117 [机械工程—机械设计及理论]
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Nano Research
2018年 第1期

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