Low temperature, atmospheric pressure for synthesis of a new carbon Ene-yne and application in Li storage

Jia, Zhiyu; Zuo, Zicheng; Yi, Yuanping; Liu, Huibiao; Li, Dan; Li, Yongjun; Li, Yuliang

doi:10.1016/j.nanoen.2017.01.049

Cited by 102 publications

(66 citation statements)

References 46 publications

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“…Theinclusion of the quantitative amount of sp carbon in aw ay of acetylene bonds lead to as ignificant improvement of electronic structure,which is consistent with the subsequent theoretical analysis. [21] Another new carbon allotrope with ah igher ratio of sp-hybridized carbon to sp 2hybridized carbon (4:1) has also showed excellent electrochemical electrode performance [22] and enhanced photocatalytic properties, [23] which further confirms the important role of sp-hybridized carbon in the as-prepared two-dimensional carbon allotropes.T he development and discovery of new carbon materials and carbon-rich materials with hetero-elements are of scientific significance.I ti si nteresting to prepare ac arbon material with an established sp-hybridized carbon component and an even-distribution of ah eteroelement, the properties and performance of which should also be of interest.…”

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confidence: 81%

“…This could be ascribed to the all sp-hybridized form of carbon and the even-distribution of the boron heteroatoms in the BGDYm olecular plane. [22] TheU V/Vis absorption spectrum indicates that the optical band gap between the highest occupied molecular orbit (HOMO) and the lowest unoccupied molecular orbit (LUMO) of the BGDYi s1 .1 eV ( Figure 3a), which is arelative low band gap value among the reported sp-hybridized-carbon-contained graphdiyne materials. [24] This value might be due to the quantitative inclusion of electron deficient boron in the BGDYf ramework.…”

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confidence: 98%

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Synthesis and Electronic Structure of Boron‐Graphdiyne with an sp‐Hybridized Carbon Skeleton and Its Application in Sodium Storage

et al. 2018

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Boron-graphdiyne (BGDY), which has a unique π-conjugated structure comprising an sp-hybridized carbon skeleton and evenlydistributed boron heteroatoms in a well-organized 2D molecular plane, is prepared through a bottom-up synthetic strategy. Excellent conductivity, a relatively low band gap and a packing mode of the planar BGDY are observed. Notably, the unusual bonding environment of the all sp-carbon framework and the electron-deficient boron centers generates affinity to metal atoms, and thus provides extra binding sites. Furthermore, the expanded molecule pores of the BGDY molecular plane can also facilitate the transfer of metal ions in the perpendicular direction. The practical effect of the all sp-carbon structure and boron heteroatoms on the properties of BGDY are demonstrated in its performance as the anode in sodium-ion batteries.

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confidence: 81%

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Synthesis and Electronic Structure of Boron‐Graphdiyne with an sp‐Hybridized Carbon Skeleton and Its Application in Sodium Storage

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“…The F-N plots show a linear relationship, implying that a quantum-tunneling mechanism is responsible for the emission. The work function of CEY is 4.52 eV, [30] which is less than that of graphite (4.9 eV), [41] carbon nanotubes, [41] and other carbon nanostructures, [42] demonstrating that the CEYNRs have great potential as a competitive candidate for field emitters. To evaluate the field emission stability of the CEYNRs arrays, we monitored the current density over 3500 s with starting current densities of 1.3 mA cm −2 , as shown in Figure 5d.…”

Section: Wwwadvelectronicmatdementioning

confidence: 98%

“…We have already synthesized carbon ene-yne film on Cu foil, which has been applied in Lithium-ion half cell research. [30] Controlling the self-assembly process, 1D nanoribbons (carbon eneyne nanoribbons, CEYNRs) were obtained. Meanwhile, the Young's modulus of graphdiyne nanoribbon had already been calculated.…”

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Fabrication and Electroproperties of Nanoribbons: Carbon Ene–Yne

Jia

Zuo

et al. 2017

Adv Elect Materials

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nanoarchitectures by chemical methods. In 2010, Li and co-worker synthesized graphdiyne through an in situ cross-coupling reaction on Cu foil from hexaethynylbenzene by solvent-phase reaction. [15] Since the first synthesis of a graphdiyne film, several explorations have been made into other morphologies, such as nanowalls. [16] Because of its intriguing properties, graphdiyne has been applied in various research fields, from electronic devices to energy materials. [17][18][19][20][21] Other types of acetylenic macrocycles [22][23][24][25] continue to attract extraordinary interest for various reasons. Such carbon-rich molecules represent substructures of 2D all-carbon networks [26,27] and are potential precursors for the preparation of new carbon allotropes. [28,29] Following this result, a novel carbon material (carbon ene-yne, CEY) was synthesized from tetraethynylethene. The molecular structure unit has a high conjugated structure, which is similar to graphdiyne. We have already synthesized carbon ene-yne film on Cu foil, which has been applied in Lithium-ion half cell research. [30] Controlling the self-assembly process, 1D nanoribbons (carbon eneyne nanoribbons, CEYNRs) were obtained. Meanwhile, the Young's modulus of graphdiyne nanoribbon had already been calculated. [31] It is half of graphene nanoribbon or carbon nanotube, which means that the graphdiyne nanoribbon should be a soft organic material. Soft organic material would have more applications. A device based on nanoribbons for measurement of electrical property was fabricated and showed conductivity of 3.2 × 10 −2 S m −1 , indicating excellent semiconductor properties. Also, CEYNRs exhibit excellent field emission properties. The all-semiconducting nature of CEYNRs could bypass the problem of the extreme chirality dependence of the metal or semiconductor nature of CNTs in future electronics. [32,33] The fabrication process of carbon ene-yne nanoribbons arrays is shown in Figure 1. The Cu-pyridine complex was formed in the presence of Cu foil and pyridine, which catalyzed the coupling of alkynyl. The hydrogen bond will generate between AlO bonds of anodic aluminum oxide template (AAO) and the acetylenic hydrogen of tetraethynylethene, which leads the self-assembly of tetraethynylethene (TEE) along the AAO template. Optimizing the chemical condition of selfassembly, we obtained a series of different morphologies of CEY, such as nanoribbon and nanotube. The CEYNRs were successfully prepared in the presence of pyridine by Glaser coupling of tetraethynylethene for 3 d at 80 °C under a nitrogen atmosphere. An interesting experimental phenomenon is that multiple-layer nanotube siareunzipped, which means that the width should be close to the circumference of the AAO template Carbon ene-yne nanoribbons (CEYNRs), a novel 1D material, are synthesized from tetraethynylethene by using an anodic aluminum oxide template under mild conditions. Materials characterization illustrates that carbon ene-yne is entirely composed of sp-hybrid and sp 2 -hybrid carbon. C...

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“…The discovery of new multifunctional carbon allotrope has been the focus of experimental and theoretical explorations due to its fundamental scientific and technological significance. Recently fabricated carbon Ene–yne graphyne presents much higher stretchability compared to pristine graphene, which has potential applications in stretchable and flexible nanodevices . However, for larger‐scale potential applications, three‐dimensional (3D) graphene networks are needed by assembly of two‐dimensional (2D) graphene sheets .…”

Section: Introductionmentioning

confidence: 99%

Atomistic Simulations on the Tensile Deformation Behaviors of Three‐Dimensional Graphene

Liu

Yue

et al. 2018

Physica Status Solidi (b)

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Molecular dynamics simulations is used to investigate the mechanical properties of three‐dimensional (3D) graphene under uniaxial tensile loading. The results show that the tensile deformation of 3D graphene exhibits size dependence along both armchair and zigzag directions. By analyzing the atomic von Mises stress and structural evolution, compared to the 3D graphene with smaller in‐plane cell size, the larger 3D graphene exhibits two typical deformation events, i.e., transverse structural shrinkage and axial elastic deformation. The fracture stress of 3D graphene is much smaller than that of 2D graphene because of its porous structure. However, the fracture strain of 3D graphene is larger than that of 2D graphene due to the larger transverse structural shrinkage along both armchair and zigzag directions. Effects of temperature, strain rate, and thickness of 3D graphene on the tensile behavior is investigated. The simulation results indicate that the fracture stress and the fracture strain decrease with increasing temperature and with decreasing strain rate. However, the fracture stress and the fracture strain is not dependent on the thickness of 3D graphene. The results in this paper suggest that 3D graphene with higher stretchability tunable by in‐plane cell size can be promising multifunctional materials for many engineering applications.

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Low temperature, atmospheric pressure for synthesis of a new carbon Ene-yne and application in Li storage

Cited by 102 publications

References 46 publications

Synthesis and Electronic Structure of Boron‐Graphdiyne with an sp‐Hybridized Carbon Skeleton and Its Application in Sodium Storage

Synthesis and Electronic Structure of Boron‐Graphdiyne with an sp‐Hybridized Carbon Skeleton and Its Application in Sodium Storage

Fabrication and Electroproperties of Nanoribbons: Carbon Ene–Yne

Atomistic Simulations on the Tensile Deformation Behaviors of Three‐Dimensional Graphene

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