Department of Physics and Interdisciplinary Course of Physics and Chemistry, Sungkyunkwan University, 2066, Seobu-Ro, Jangan-Gu, Suwon, Gyeonggi-do 16419, Republic of Korea.
Teraleader Inc., 55-8, Techno-11ro, Yuseong-gu, Daejeon 34036, Republic of Korea.
Sci Rep. 2016 Sep 12;6:33096. doi: 10.1038/srep33096.
We have explored a facile technique to transfer large area 2-Dimensional (2D) materials grown by chemical vapor deposition method onto various substrates by adding a water-soluble Polyvinyl Alcohol (PVA) layer between the polymethyl-methacrylate (PMMA) and the 2D material film. This technique not only allows the effective transfer to an arbitrary target substrate with a high degree of freedom, but also avoids PMMA etching thereby maintaining the high quality of the transferred 2D materials with minimum contamination. We applied this method to transfer various 2D materials grown on different rigid substrates of general interest, such as graphene on copper foil, h-BN on platinum and MoS2 on SiO2/Si. This facile transfer technique has great potential for future research towards the application of 2D materials in high performance optical, mechanical and electronic devices.
我们探索了一种简便的技术，可以通过在聚甲基丙烯酸甲酯（PMMA）和二维材料薄膜之间添加水溶性聚乙烯醇（PVA）层，将通过化学气相沉积法生长的大面积二维（2D）材料转移到各种基底上。这种技术不仅允许在高度自由的情况下将其有效地转移到任意目标基底上，而且还避免了 PMMA 的刻蚀，从而以最小的污染程度保持了转移的二维材料的高质量。我们将这种方法应用于转移在不同刚性基底上生长的各种二维材料，例如铜箔上的石墨烯、铂上的 h-BN 和 SiO2/Si 上的 MoS2。这种简便的转移技术对于未来研究二维材料在高性能光学、机械和电子器件中的应用具有很大的潜力。
