| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Adsorption of Perylene on Si(111)($7 \times 7$) |
| Dandan Guan1,2**, Xinwei Wang3, Hongying Mao4, Shining Bao5, Jin-Feng Jia1,2 |
1Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), Shenyang National Laboratory for Materials Science, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240
2Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai 200240
3School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027
4Department of Physics, Hangzhou Normal University, Hangzhou 310036
5Department of Physics, Zhejiang University, Hangzhou 310027
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| Cite this article: |
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Dandan Guan, Xinwei Wang, Hongying Mao et al 2020 Chin. Phys. Lett. 37 027101 |
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Abstract We investigate the adsorption of organic molecular semiconductor perylene on ($7 \times 7$) reconstructed Si(111) surface by ultraviolet photoemission spectroscopy. It is observed that seven features that derive from the organic material are located at 0.71, 2.24, 4.0, 5.9, 7.46, 8.65 and 9.95 eV in binding energy. The theoretical calculation results reveal the most stable adsorption geometry of organic molecule perylene on Si(111) ($7 \times 7$) substrates is at the beginning of deposition.
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Received: 15 November 2019
Published: 18 January 2020
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| PACS: |
71.15.Mb
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(Density functional theory, local density approximation, gradient and other corrections)
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68.43.-h
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(Chemisorption/physisorption: adsorbates on surfaces)
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73.20.At
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(Surface states, band structure, electron density of states)
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| Fund: Supported by the National Natural Science Foundation of China under Grant Nos. U1632102, 11521404, 11634009, 11674222, 11674226, 11790313, 11574202, 11874256, 11861161003 and 11874258, the National Key Research and Development Program of China (Grant Nos. 2016YFA0300403 and 2016YFA0301003); in part by the Key Research Program of the Chinese Academy of Science (Grant No. XDPB082), and the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB28000000). |
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