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首页> 外文期刊>RSC Advances >Hydrothermal synthesis and tribological properties of FeS2 (pyrite)/reduced graphene oxide heterojunction
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Hydrothermal synthesis and tribological properties of FeS2 (pyrite)/reduced graphene oxide heterojunction

机译：FeS2（黄铁矿）/还原氧化石墨烯异质结的水热合成及其摩擦学性能

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摘要

An FeS2 (pyrite)/reduced graphene oxide (FeS2/RGO) heterojunction was synthesized by a facile and effective hydrothermal method. X-ray diffraction proved the high purity of the as-prepared product, and both scanning electron microscopy and transmission electron microscopy showed that FeS2 particles were well distributed on RGO nanosheets with controlled size and morphology. The performance of the FeS2/RGO composites as lubricating oil additive were investigated on a ball-plate tribotester. The results indicated that FeS2/RGO could improve the load-carrying capacity dramatically, as well as the friction-reduction and anti-wear properties of the paraffin oil. In addition, higher GO content is beneficial to improve the lubrication properties of FeS2/RGO composites. The excellent lubrication performance of FeS2/RGO composites can be attributed to the unique layered structure of FeS2 and RGO.
机译：通过简便有效的水热法合成了FeS2（黄铁矿）/氧化石墨烯（FeS2 / RGO）异质结。 X射线衍射证明了所制备产物的高纯度，并且扫描电子显微镜和透射电子显微镜均显示FeS 2颗粒在RGO纳米片上良好地分布并且尺寸和形态受到控制。在球板三硼酸酯上研究了FeS2 / RGO复合材料作为润滑油添加剂的性能。结果表明，FeS2 / RGO可以显着提高石蜡油的承载能力，并具有降低摩擦和抗磨性能。此外，较高的GO含量有利于改善FeS2 / RGO复合材料的润滑性能。 FeS2 / RGO复合材料的优异润滑性能可归因于FeS2和RGO的独特分层结构。

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