Two-Dimensional Fluorinated Graphene: Synthesis, Structures, Properties and Applications.
Two-Dimensional Fluorinated Graphene: Synthesis, Structures, Properties and Applications.
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二维氟化石墨烯：合成、结构、性能和应用
DOI：
10.1002/advs.201500413
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发表时间：
2016-07
期刊：
影响因子：
15.1
通讯作者：
Li, Yu
中科院分区：
文献类型：
--
作者：
Feng, Wei;Long, Peng;Feng, Yiyu;Li, Yu
氟化石墨烯是石墨烯家族的新兴成员，具有二维层状结构、宽带隙和高稳定性，因其独特的纳米结构和碳-氟键而备受关注。本文综述了氟化石墨烯的合成方法和C-F键的研究进展，并介绍了氟化石墨烯的光学、电学和电子学性质及其电化学/生物学应用。氟化石墨烯表现出各种类型的C-F键（共价键、半离子键和离子键）、可调的F/C比以及通过合成方法（包括直接结晶和剥离方法）控制的不同构型。全面讨论了C-F键的类型/数量与特定性能之间的关系，例如开带隙，高热稳定性和化学稳定性，可膨胀性，半导体/绝缘性，磁性，自润滑和机械性能以及热导率。通过优化C-F键合特性和F/C比，氟化石墨烯可用于能量转换和存储器件、生物应用、电化学传感器和两亲性。最后，在总结目前研究进展的基础上，提出了氟化石墨烯存在的问题，以及今后在合成方法和碳-氟键合特性方面面临的挑战。该综述将为控制C-F键、开发氟相关效应和促进氟化石墨烯的应用提供指导。
Fluorinated graphene, an up‐rising member of the graphene family, combines a two‐dimensional layer‐structure, a wide bandgap, and high stability and attracts significant attention because of its unique nanostructure and carbon–fluorine bonds. Here, we give an extensive review of recent progress on synthetic methods and C–F bonding; additionally, we present the optical, electrical and electronic properties of fluorinated graphene and its electrochemical/biological applications. Fluorinated graphene exhibits various types of C–F bonds (covalent, semi‐ionic, and ionic bonds), tunable F/C ratios, and different configurations controlled by synthetic methods including direct fluorination and exfoliation methods. The relationship between the types/amounts of C–F bonds and specific properties, such as opened bandgap, high thermal and chemical stability, dispersibility, semiconducting/insulating nature, magnetic, self‐lubricating and mechanical properties and thermal conductivity, is discussed comprehensively. By optimizing the C–F bonding character and F/C ratios, fluorinated graphene can be utilized for energy conversion and storage devices, bioapplications, electrochemical sensors and amphiphobicity. Based on current progress, we propose potential problems of fluorinated graphene as well as the future challenge on the synthetic methods and C‐F bonding character. This review will provide guidance for controlling C–F bonds, developing fluorine‐related effects and promoting the application of fluorinated graphene.
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