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Revealing the structure of composite nanodiamond–graphene oxide aqueous dispersions by small-angle scattering
Diamond and Related Materials ( IF 4.3 ) Pub Date : 2020-03-01 , DOI: 10.1016/j.diamond.2019.107670
O.V. Tomchuk , M.V. Avdeev , A.T. Dideikin , A.Ya. Vul' , A.E. Aleksenskii , D.A. Kirilenko , O.I. Ivankov , D.V. Soloviov , A.I. Kuklin , V.M. Garamus , Yu.V. Kulvelis , V.L. Aksenov , L.A. Bulavin

Abstract The work presents the results of studying the structure of binary liquid nanocarbon systems obtained by mixing hydrosol of detonation nanodiamond and aqueous dispersions of single layer graphene oxide flakes. We studied size and space distribution of nanocarbon clusters formed upon interaction of the components in aqueous media by mutually complement methods of small-angle X-ray and neutron scattering. The formation of small secondary agglomerates of nanodiamond particles on the surface of graphene oxide flakes was concluded and supported by the data of transmission electron microscopy from dried samples. The observed effect can significantly modify the structure of nanocarbon composites formed of nanodiamond and graphene oxide. The structural features of binary dispersions detonation nanodiamond–graphene oxide should be taken into account at the preparation of the conductive composites of reduced graphene oxide for energy storage systems.

中文翻译:

通过小角散射揭示复合纳米金刚石-氧化石墨烯水分散体的结构

摘要 该工作展示了通过将爆炸纳米金刚石的水溶胶与单层氧化石墨烯薄片的水分散体混合获得的二元液体纳米碳系统的结构研究结果。我们通过小角度 X 射线和中子散射的互补方法研究了水介质中组分相互作用时形成的纳米碳簇的大小和空间分布。由干燥样品的透射电子显微镜数据得出结论并支持在氧化石墨烯薄片表面形成纳米金刚石颗粒的小的二次团聚体。观察到的效果可以显着改变由纳米金刚石和氧化石墨烯形成的纳米碳复合材料的结构。
更新日期:2020-03-01
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