赤铁矿(α-Fe
2O
3)因其丰富的自然资源、低廉的成本和环境友好性而备受关注。然而,与大多数过渡金属氧化物类似,这种材料存在导电性低和结构稳定性差等问题。石墨烯具有优异的机械性能、导电性和化学稳定性,石墨烯/α-Fe
2O
3复合材料的网络结构提供了存储位置和导电框架,石墨烯和α-Fe
2O
3之间强的结合作用能够缓冲α-Fe
2O
3的体积变化,保证了电荷传输和结构稳定性。本文综述了获得分散均匀的0/1/2/3D α-Fe
2O
3纳米结构与石墨烯纳米片的稳定复合材料的合成工艺。其中,3D α-Fe
2O
3材料倾向于形成以石墨烯为载体或包裹在石墨烯网络中的纳米复合结构。为电化学储能、催化等领域中石墨烯/α-Fe
2O
3复合材料的可控制备工艺研究提供参考。
Hematite (α-
Fe
2
O
3) has attracted much attention due to its abundant resources, low cost and envi-ronmental friendliness. However, similar to most transition metal oxides, these materials have low conductivity and poor structural stability. Graphene has excellent mechanical properties, conductivity and chemical stability. The network structures of graphene/α-
Fe
2
O
3 composites provide storage location and conductive framework. The strong binding between graphene and α-
Fe
2
O
3 can buffer the volume change of α-
Fe
2
O
3, and ensure the charge transfer and structural stability. In this paper, the synthesis of stable composites of 0/1/2/3D α-
Fe
2
O
3 nanostructures and graphene nanosheets was reviewed. Among them, 3D α-
Fe
2
O
3 materials tend to form nanocomposites with graphene as carrier or wrapped in graphene networks. It provides a reference for the controllable preparation of graphene/α-
Fe
2
O
3 composites in the fields of electrochemical energy storage, catalysis, etc.
The Research Progress of Synthesis Technology for Graphene/Fe2O3 Composites
Jindong Li, Yanhe Liang, Jingyun Lv, Yiming Chai, Sinan Li*
School of Metallurgy Engineering, Liaoning Institute of Science and Technology, Benxi Liaoning
收稿日期:2020年8月3日;录用日期:2020年8月14日;发布日期:2020年8月21日
ABSTRACT
Hematite (α-Fe2O3) has attracted much attention due to its abundant resources, low cost and environmental friendliness. However, similar to most transition metal oxides, these materials have low conductivity and poor structural stability. Graphene has excellent mechanical properties, conductivity and chemical stability. The network structures of graphene/α-Fe2O3 composites provide storage location and conductive framework. The strong binding between graphene and α-Fe2O3 can buffer the volume change of α-Fe2O3, and ensure the charge transfer and structural stability. In this paper, the synthesis of stable composites of 0/1/2/3D α-Fe2O3 nanostructures and graphene nanosheets was reviewed. Among them, 3D α-Fe2O3 materials tend to form nanocomposites with graphene as carrier or wrapped in graphene networks. It provides a reference for the controllable preparation of graphene/α-Fe2O3 composites in the fields of electrochemical energy storage, catalysis, etc.
李金洞,梁艳荷,吕婧沄,柴一明,李思南. 石墨烯/Fe2O3复合材料合成工艺的研究进展The Research Progress of Synthesis Technology for Graphene/Fe2O3 Composites[J]. 自然科学, 2020, 08(05): 379-386. https://doi.org/10.12677/OJNS.2020.85046
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