Influence of MgF2 nanoparticles in the plasma polymer fluorocarbon‐based transparent nanocomposite thin films on the surface hardness properties,Plasma Processes and Polymers

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Influence of MgF2 nanoparticles in the plasma polymer fluorocarbon‐based transparent nanocomposite thin films on the surface hardness properties
Plasma Processes and Polymers ( IF 2.9 ) Pub Date : 2020-06-08 , DOI: 10.1002/ppap.202000064
Sung Hyun Kim ₁ , Min Seop Um ₁ , Woo Jin Choi ₁ , Yong Suk Yang ₂ , Sang‐Jin Lee ₁

Affiliation

In this study, the chemical structure at the interfaces of nanocomposite thin films, consisting of MgF₂ nanoparticles and a plasma polymer fluorocarbon (PPFC) matrix, was analyzed to elucidate the relationship between fluorine dispersion and surface properties. Using self‐made MgF₂–carbon nanotube–polytetrafluoroethylene ternary composite sputtering targets, MgF₂ nanoparticles were successfully embedded in the PPFC matrix through sputtering. The spectrometric analysis showed that the fluorine atoms transfer at the nanoparticle interface created a carbon‐rich region in the PPFC polymer matrix, resulting in higher thin film hardness. The optimized MgF₂ nanoparticle/PPFC matrix thin film showed that surface hardness reached 4.32 GPa, and it also exhibited high optical transparency and water repellency. MgF₂–PPFC nanocomposite thin film could be applicable to protective optical coatings for display and automotive windows.

中文翻译：

等离子聚合物碳氟化合物透明纳米复合薄膜中MgF2纳米颗粒对表面硬度性能的影响

在这项研究中，分析了由MgF ₂纳米颗粒和等离子聚合物碳氟化合物（PPFC）基质组成的纳米复合薄膜界面的化学结构，以阐明氟的分散性与表面性能之间的关系。使用自制的MgF _2-碳纳米管-聚四氟乙烯三元复合溅射靶材，通过溅射将MgF ₂纳米颗粒成功地嵌入到PPFC基质中。光谱分析表明，氟原子在纳米颗粒界面上的转移在PPFC聚合物基体中形成了一个富碳区，从而提高了薄膜硬度。优化的MgF ₂纳米粒子/ PPFC基体薄膜的表面硬度达到4.32 GPa，并且还表现出高的光学透明性和疏水性。MgF ₂ -PPFC纳米复合薄膜可适用于显示器和汽车窗户的光学保护膜。

更新日期：2020-06-08

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