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Molecular Beam Epitaxy of Highly Crystalline MoSe2 on Hexagonal Boron Nitride.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Poh, Sock Mui Zhao, Xiaoxu Tan, Sherman Jun Rong Fu, Deyi Fei, Wenwen Chu, Leiqiang Jiadong, Dan Zhou, Wu Pennycook, Stephen J. Neto, Antonio H. Castro Loh, Kian Ping |
| Copyright Year | 2018 |
| Abstract | Molybdenum diselenide (MoSe2) is a promising two-dimensional material for next-generation electronics and optoelectronics. However, its application has been hindered by a lack of large-scale synthesis. Although chemical vapor deposition (CVD) using laboratory furnaces has been applied to grow two-dimensional (2D) MoSe2 cystals, no continuous film over macroscopically large area has been produced due to the lack of uniform control in these systems. Here, we investigate the molecular beam epitaxy (MBE) of 2D MoSe2 on hexagonal boron nitride (hBN) substrate, where highly crystalline MoSe2 film can be grown with electron mobility ∼15 cm2/(V s). Scanning transmission electron microscopy (STEM) shows that MoSe2 grains grown at an optimum temperature of 500 °C are highly oriented and coalesced to form continuous film with predominantly mirror twin boundaries. Our work suggests that van der Waals epitaxy of 2D materials is tolerant of lattice mismatch but is facilitated by substrates with similar symmetry. |
| Starting Page | 7562 |
| Ending Page | 7570 |
| Page Count | 9 |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://carbonlab.science.nus.edu.sg/pdf%20paper/acsnano.8b04037.pdf |
| PubMed reference number | 29985581v1 |
| Alternate Webpage(s) | https://doi.org/10.1021/acsnano.8b04037 |
| DOI | 10.1021/acsnano.8b04037 |
| Journal | ACS nano |
| Volume Number | 12 |
| Issue Number | 8 |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Boron Neutron Capture Therapy Cardiovascular Diseases Molybdenum Scanning Transmission Electron Microscopy Procedures boron nitride negative regulation of iron-sulfur-molybdenum cofactor assembly vapor |
| Content Type | Text |
| Resource Type | Article |
