Hansen Solubility Parameters of Stacked Silicanes Derived from Porous Silicon
Hansen Solubility Parameters of Stacked Silicanes Derived from Porous Silicon
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DOI：
10.1021/acsomega.9b01496
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发表时间：
2019-07-01
期刊：
影响因子：
4.1
通讯作者：
Nakamura, Daisuke
中科院分区：
文献类型：
--
作者：
Nakano, Hideyuki;Nakamura, Daisuke
剥离纳米材料作为材料科学的一种新范式，引起了人们的极大兴趣。因此，我们一直在寻找有机溶剂来获得高质量的二维纳米材料，并使其能够大规模应用。然而，液相剥离的最新方法是基于经验试错策略。在这里，我们展示了基于汉森溶解度参数（HSPs）讨论堆叠硅烷的分散性。利用这些参数，我们证明了硅烷可以有效地分散在溴萘中，并且可以作为单独的薄片（厚度为1- 6nm，面积可达2 μ m(2)）剥离。在剥离过程中，得到的薄片的氧化状态受溶剂性质的影响。此外，还比较了叠合硅烷与石墨烯和端氢锗烷的热sps。
Exfoliated nanomaterials could spur great interest as a new paradigm in materials science. Therefore, we have sought organic solvents to obtain high-quality two-dimensional nanomaterials and enable their adoption in large-scale applications. However, recent approaches in liquid-phase exfoliation are based on empirical trial-and-error strategies. Here, we show that the dispersibility of stacked silicanes is discussed on the basis of Hansen solubility parameters (HSPs). Using these parameters, we demonstrate that silicanes can be efficiently dispersed in bromonaphthalene and can be exfoliated as individual sheets (1-6 nm in thickness and up to 2 mu m(2) in area). During the exfoliation process, the oxidation state of the obtained sheets is affected by the nature of the solvents. Furthermore, HSPs of the stacked silicanes are compared with those of graphene and hydrogen-terminated germanane.