Content of TOPICAL REVIEW—The third carbon: Carbyne with one-dimensional sp-carbon in our journal

Published in last 1 year |  In last 2 years |  In last 3 years |  All Please wait a minute... For selected: Download citations EndNote Ris BibTeX Toggle thumbnails Select A review of arc-discharge method towards large-scale preparation of long linear carbon chains Yi-Fan Zhang(张一帆) Chin. Phys. B, 2022, 31 (12): 125201.   DOI: 10.1088/1674-1056/ac833f Abstract （319）   HTML （13）    PDF （3832KB）（207）       Knowledge map    Linear carbon chains as new one-dimensional (1D) nanomaterials attract attention for the predicted outstanding properties. However, the high reactivity of linear carbon chains hampers further experimental research. To date, different methods have been developed to synthesize new materials containing linear carbon chains. Among them, the arc-discharge method is a practical way to prepare both finite and infinite linear carbon chains. This review provides a brief discussion of the recent progress in the techniques to prepare carbon chain-based materials and then focuses on the arc-discharge method. The configuration of apparatus, optimal conditions, and the corresponding mechanism of arc-discharge method to prepare long linear carbon chain inside multi-walled carbon nanotubes are summarized in detail. The characterization techniques are introduced to evaluate the quality of products. Moreover, remaining challenges and perspectives are presented for further investigation of long linear carbon chains. Select Pulsed laser ablation in liquid of sp-carbon chains: Status and recent advances Pietro Marabotti, Sonia Peggiani, Alessandro Vidale, and Carlo Spartaco Casari Chin. Phys. B, 2022, 31 (12): 125202.   DOI: 10.1088/1674-1056/ac81b2 Abstract （212）   HTML （8）    PDF （6665KB）（119）       Knowledge map    This review provides a discussion of the current state of research on sp-carbon chains synthesized by pulsed laser ablation in liquid. In recent years, pulsed laser ablation in liquid (PLAL) has been widely employed for polyynes synthesis thanks to its flexibility with varying laser parameters, solvents, and targets. This allows the control of sp-carbon chains properties as yield, length, termination and stability. Although many reviews related to PLAL have been published, a comprehensive work reporting the current status and advances related to the synthesis of sp-carbon chains by PLAL is still missing. Here we first review the principle of PLAL and the mechanisms of formation of sp-carbon chains. Then we discuss the role of laser fluence (i.e. energy density), solvent, and target for sp-carbon chains synthesis. Lastly, we report the progress related to the prolonged stability of sp-carbon chains by PLAL encapsulated in polymeric matrices. This review will be a helpful guide for researchers interested in synthesizing sp-carbon chains by PLAL. Select Raman spectroscopy of isolated carbyne chains confined in carbon nanotubes: Progress and prospects Johannes M. A. Lechner, Pablo Hernández López, and Sebastian Heeg Chin. Phys. B, 2022, 31 (12): 127801.   DOI: 10.1088/1674-1056/ac9608 Abstract （273）   HTML （8）    PDF （4231KB）（151）       Knowledge map    Carbyne is an infinitely long linear chain of carbon atoms with sp1 hybridization and the truly one-dimensional allotrope of carbon. While obtaining freestanding carbyne is still an open challenge, the study of confined carbyne, linear chains of carbon encapsulated in carbon nanotubes, provides a pathway to explore carbyne and its remarkable properties in a well-defined environment. In this review, we discuss the basics and recent advances in studying single confined carbyne chains by Raman spectroscopy, which is their primary spectroscopic characterization method. We highlight where single carbyne chain studies are needed to advance our understanding of confined carbyne as a material system and provide an overview of the open questions that need to be addressed and of those aspects currently under debate. Select On-surface synthesis of one-dimensional carbyne-like nanostructures with sp-carbon Wenze Gao(高文泽), Chi Zhang(张弛), Zheng Zhou(周正), and Wei Xu(许维) Chin. Phys. B, 2022, 31 (12): 128101.   DOI: 10.1088/1674-1056/ac7f90 Abstract （297）   HTML （7）    PDF （4891KB）（206）       Knowledge map    Carbyne is an infinite one-dimensional carbon chain comprising of sp-hybridized carbons. Due to its high chemical reactivity and extreme instability, the synthesis and structural diversity of carbyne have been much less investigated in the past decades compared to carbon allotropes built with sp2 hybridized carbons, such as fullerenes, carbon nanotubes, and graphene. The emerging on-surface synthesis strategy provides an extremely promising approach for the fabrication of novel carbyne-like nanostructures with atomic precision. Herein, we summarize recent exciting progress in the synthesis of carbyne-like nanostructures with one-dimensional sp-carbon on surfaces, including polyynes, cumulenes, and organometallic polyynes. We also point out the scientific challenges and prospects, encouraging scientists to explore the fabrication and characterization of single strands of carbyne in this young and promising research field. Select One-dimensional sp carbon: Synthesis, properties, and modifications Chao-Fan Lv(吕超凡), Xi-Gui Yang(杨西贵), and Chong-Xin Shan(单崇新) Chin. Phys. B, 2022, 31 (12): 128103.   DOI: 10.1088/1674-1056/ac872f Abstract （237）   HTML （12）    PDF （17889KB）（249）       Knowledge map    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.