One-dimensional sp carbon: Synthesis, properties, and modifications
Chao-Fan Lv(吕超凡)1,2,3, Xi-Gui Yang(杨西贵)3,†, and Chong-Xin Shan(单崇新)3,‡
1 State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; 2 University of Chinese Academy of Sciences, Beijing 100049, China; 3 Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
Abstract Carbyne, as the truly one-dimensional carbon allotrope with sp-hybridization, has attracted significant interest in recent years, showing potential applications in next-generation molecular devices due to its ultimate one-atom thinness. Various excellent properties of carbyne have been predicted, however, free-standing carbyne sample is extremely unstable and the corresponding experimental researches and modifications are under-developed compared to other known carbon allotropes. The synthesis of carbyne has been slowly developed for the past decades. Recently, there have been several breakthroughs in in-situ synthesis and measurement of carbyne related materials, as well as the preparation of ultra-long carbon chains toward infinite carbyne. These progresses have aroused widespread discussion in the academic community. In this review, the latest approaches in the synthesis of sp carbon are summarized. We then discuss its extraordinary properties, including mechanical, electronic, magnetic, and optical properties, especially focusing on the regulations of these properties. Finally, we provide a perspective on the development of carbyne.
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 12174348 and 62027816), the China Postdoctoral Science Foundation (Grant Nos. 2018M630830 and 2019T120631), the Natural Science Foundation of Henan Province, China (Grant No. 212300410410), and the Fund from the Henan Center for Outstanding Overseas Scientists (Grant No. GZS201903).
Chao-Fan Lv(吕超凡), Xi-Gui Yang(杨西贵), and Chong-Xin Shan(单崇新) One-dimensional sp carbon: Synthesis, properties, and modifications 2022 Chin. Phys. B 31 128103
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