Microstructure evolution of diazonium functionalized graphene: A potential approach to change graphene electronic structure
文献类型：期刊论文
| 作者 | Zhu HR(朱华瑞); Huang P(黄平); Jing L(荆隆); Zhu, HR; Huang, P; Jing, L; Zuo, TS; Zhao, YL; Gao, XY; Zuo TS(左太森) |
| 刊名 | JOURNAL OF MATERIALS CHEMISTRY
 |
| 出版日期 | 2012 |
| 卷号 | 22期号:5页码:2063-2068 |
| 英文摘要 | Graphene sheets were successfully functionalized with 4-nitrophenyl diazonium (NPD). Two dimensional Raman analysis demonstrated that the reaction preferred to happen on single-layer graphene rather than bi-layer or multi-layer, and the edges of graphene were more reactive than the central areas. Atomic force microscopy (AFM) indicated the aryl groups were covalently bonded to one side of the graphene basal plane in a perpendicular configuration. Transmission electron microscopy (TEM) and selected area electron diffraction (SAED) manifested that the modified graphene maintained the hexagonal symmetry but its microstructure changed. The main change was that the crystal lattice expanded compared with that of pristine graphene. Meanwhile, for the first time, a crystal lattice constant d approximate to 5.30 angstrom of functionalized graphene was obtained, which was approximately twice that of the pristine graphene's crystal lattice constant. This implied that the modified graphene had a super-lattice microstructure. Furthermore, the fast Fourier transform (FFT) of the modified graphene verified the formation of the super-lattice structures, and density functional theory (DFT) calculations showed the stability of the super-lattice structures. These modifications-elongation of crystal lattice constant and formation of super-lattice structures-may induce different electronic structures in graphene. |
| 学科主题 | Chemistry; Materials Science |
| 收录类别 | SCI |
| WOS记录号 | WOS:000298970700048 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/224186]  |
| 专题 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Zhu HR,Huang P,Jing L,et al. Microstructure evolution of diazonium functionalized graphene: A potential approach to change graphene electronic structure[J]. JOURNAL OF MATERIALS CHEMISTRY,2012,22(5):2063-2068. |
| APA | 朱华瑞.,黄平.,荆隆.,Zhu, HR.,Huang, P.,...&高学云.(2012).Microstructure evolution of diazonium functionalized graphene: A potential approach to change graphene electronic structure.JOURNAL OF MATERIALS CHEMISTRY,22(5),2063-2068. |
| MLA | 朱华瑞,et al."Microstructure evolution of diazonium functionalized graphene: A potential approach to change graphene electronic structure".JOURNAL OF MATERIALS CHEMISTRY 22.5(2012):2063-2068. |
入库方式： OAI收割
来源：高能物理研究所
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