Nano titania (nTiO₂) aggregated graphene oxide (GO) hybrid nanostructures were successfully prepared by employing 3‐(Aminopropyl) triethoxysilane (APTES)‐modified nTiO₂ as precursor material. The resulting self‐assembled core‐shell hybrid structure was observed to have hierarchical porous structure with nTiO₂ forming the core and GO forming the shell in accordance with transmission electron micrographs. The mechanical properties of the hybrid composites were compared with that of individual GO and nTiO₂ loaded systems and improved performance was observed. The incorporation of the hybrid filler improved the fracture toughness of epoxy composites by about 200%, which is indeed significant. Hence, this novel approach of employing self‐assembled APTES modified nTiO₂ agglomerated GO hybrids as filler in epoxy was found to be beneficial in enhancing the toughness of epoxy.

中文翻译：

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自组装和多孔的纳米二氧化钛-氧化石墨烯杂化物的合成，用于增韧环氧

纳米二氧化钛（nTiO ₂）聚集的氧化石墨烯（GO）杂化纳米结构是通过使用3-（氨基丙基）三乙氧基硅烷（APTES）改性的nTiO ₂作为前体材料成功制备的。根据透射电子显微照片，观察到所得的自组装核壳混合结构具有分层的多孔结构，其中nTiO ₂形成核，GO形成壳。将杂化复合材料的机械性能与单独的GO和nTiO _{2进行了比较}加载了系统并提高了性能。混合填料的掺入将环氧复合材料的断裂韧性提高了约200％，这的确非常重要。因此，发现这种采用自组装的APTES改性的nTiO ₂团聚的GO杂化物作为环氧树脂中的填料的新颖方法有利于增强环氧树脂的韧性。