KMS Chongqing Institute of Green and Intelligent Technology, CAS
| Synthesis of sub-millimeter Bi-/multi-layer graphene by designing a sandwiched structure using copper foils | |
Zhao, Zhijuan1,2 ; Jia, Kunpeng3; Shaw, Jonathan C.2; Zhu, Zhenwei1; Wan, Wen1; Zhan, Linjie1; Li, Mengping2; Wang, Haosen2; Chen, Xiangping1; Li, Zhancheng4
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| 2016-09-19 | |
| 摘要 | Bernal-stacked (AB-stacked) bilayer graphene has been receiving significant attention because it has a tunable band-gap under an applied vertical electric field. Herein, we designed a sandwiched structure simply by embedding one piece of Cu sheet into a Cu pocket to establish an environment that suppresses Cu evaporation and ensures that both surfaces of Cu sheet are smooth to grow large-size bilayer graphene (BLG) and multilayer graphene (MLG). Single-diffusion and double-diffusion mechanisms help explain graphene growth on both the Cu pocket and the Cu sheet, respectively. On the basis of the double-diffusion mechanism, we prepared AB-stacked sub-millimeter BLG and MLG with diameters up to 603 mu m and 793 mu m, respectively. Our work regarding the improvement of the quality and single-crystal size of graphene domains helps broaden the potential applications in materials chemistry and microelectronic devices. Published by AIP Publishing. |
| DOI | 10.1063/1.4963351 |
| 发表期刊 | APPLIED PHYSICS LETTERS
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| ISSN | 0003-6951 |
| 卷号 | 109期号:12页码:5 |
| 通讯作者 | Zhao, ZJ ; Cai, WW (reprint author), Xiamen Univ, Dept Phys, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Fujian, Peoples R China. ; Zhao, ZJ ; Kaner, RB (reprint author), Univ Calif Los Angeles, Calif NanoSyst Inst, Dept Chem & Biochem, Los Angeles, CA 90095 USA. |
| 收录类别 | SCI |
| WOS记录号 | WOS:000384558700057 |
| 语种 | 英语 |
