Synthesis of single-crystalline molybdenum disulfide on molybdenum films aided with NaCl solution treatment
Two-dimensional MoS2 exhibits excellent optical and electrical properties, which have aroused great research interest in a wide range of interdisciplinary fields. Chemical vapor deposition (CVD) is considered to be an effective and simple technique for the synthesis of monolayer MoS2 thin films. How...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-03-01
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| Series: | Materials & Design |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0264127522001381 |
| _version_ | 1818759755265474560 |
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| author | Yang Liao Sen Luo Rongsheng Chen Yuhui Zuo Xinsheng Wang Changjian Zhou |
| author_facet | Yang Liao Sen Luo Rongsheng Chen Yuhui Zuo Xinsheng Wang Changjian Zhou |
| author_sort | Yang Liao |
| collection | DOAJ |
| description | Two-dimensional MoS2 exhibits excellent optical and electrical properties, which have aroused great research interest in a wide range of interdisciplinary fields. Chemical vapor deposition (CVD) is considered to be an effective and simple technique for the synthesis of monolayer MoS2 thin films. However, the controlled growth of large size single-crystalline monolayer MoS2 is still a challenge. This work presents controlled growth of large-area monolayer MoS2 using evaporated Mo films pretreated with NaCl solution. The maximum size of the monolayer MoS2 flake can reach 300 μm, which could be obtained by optimizing the mass concentration of NaCl solution. In addition, the study also reveals that an appropriate increase of NaCl concentration can affect the edge growth rate of sulfur and molybdenum, thus affecting the relative stability of the growth mode of the crystal. This provides new insight and research direction for the specific mechanism of fractal growth, which can also be used for the controllable growth of MoS2 with high-density Mo-terminated edges for catalytic applications. |
| first_indexed | 2024-12-18T06:47:46Z |
| format | Article |
| id | doaj.art-bcbd184b705543b1ab89afa8a8836a8a |
| institution | Directory Open Access Journal |
| issn | 0264-1275 |
| language | English |
| last_indexed | 2024-12-18T06:47:46Z |
| publishDate | 2022-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Materials & Design |
| spelling | doaj.art-bcbd184b705543b1ab89afa8a8836a8a2022-12-21T21:17:26ZengElsevierMaterials & Design0264-12752022-03-01215110517Synthesis of single-crystalline molybdenum disulfide on molybdenum films aided with NaCl solution treatmentYang Liao0Sen Luo1Rongsheng Chen2Yuhui Zuo3Xinsheng Wang4Changjian Zhou5School of Microelectronics, South China University of Technology, Guangzhou 510640, ChinaSchool of Microelectronics, South China University of Technology, Guangzhou 510640, ChinaSchool of Microelectronics, South China University of Technology, Guangzhou 510640, ChinaInstitute of Biomedical Engineering, College of Life Sciences, Qingdao University, Qingdao, 266071, ChinaInstitute of Biomedical Engineering, College of Life Sciences, Qingdao University, Qingdao, 266071, ChinaSchool of Microelectronics, South China University of Technology, Guangzhou 510640, China; Corresponding author.Two-dimensional MoS2 exhibits excellent optical and electrical properties, which have aroused great research interest in a wide range of interdisciplinary fields. Chemical vapor deposition (CVD) is considered to be an effective and simple technique for the synthesis of monolayer MoS2 thin films. However, the controlled growth of large size single-crystalline monolayer MoS2 is still a challenge. This work presents controlled growth of large-area monolayer MoS2 using evaporated Mo films pretreated with NaCl solution. The maximum size of the monolayer MoS2 flake can reach 300 μm, which could be obtained by optimizing the mass concentration of NaCl solution. In addition, the study also reveals that an appropriate increase of NaCl concentration can affect the edge growth rate of sulfur and molybdenum, thus affecting the relative stability of the growth mode of the crystal. This provides new insight and research direction for the specific mechanism of fractal growth, which can also be used for the controllable growth of MoS2 with high-density Mo-terminated edges for catalytic applications.http://www.sciencedirect.com/science/article/pii/S0264127522001381Monolayer MoS2Chemical vapor depositionMo filmsNaCl solutionFractal growth |
| spellingShingle | Yang Liao Sen Luo Rongsheng Chen Yuhui Zuo Xinsheng Wang Changjian Zhou Synthesis of single-crystalline molybdenum disulfide on molybdenum films aided with NaCl solution treatment Materials & Design Monolayer MoS2 Chemical vapor deposition Mo films NaCl solution Fractal growth |
| title | Synthesis of single-crystalline molybdenum disulfide on molybdenum films aided with NaCl solution treatment |
| title_full | Synthesis of single-crystalline molybdenum disulfide on molybdenum films aided with NaCl solution treatment |
| title_fullStr | Synthesis of single-crystalline molybdenum disulfide on molybdenum films aided with NaCl solution treatment |
| title_full_unstemmed | Synthesis of single-crystalline molybdenum disulfide on molybdenum films aided with NaCl solution treatment |
| title_short | Synthesis of single-crystalline molybdenum disulfide on molybdenum films aided with NaCl solution treatment |
| title_sort | synthesis of single crystalline molybdenum disulfide on molybdenum films aided with nacl solution treatment |
| topic | Monolayer MoS2 Chemical vapor deposition Mo films NaCl solution Fractal growth |
| url | http://www.sciencedirect.com/science/article/pii/S0264127522001381 |
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