From a ZIF-8 polyhedron to three-dimensional nitrogen doped hierarchical porous carbon: an efficient electrocatalyst for the oxygen reduction reaction

2018-05-25T13:17:59+00:00 May 25th, 2018|Categories: Uncategorized|

J. Mater. Chem. A, 2018, Advance ArticleDOI: 10.1039/C8TA02385A, PaperCuijuan Xuan, Baoshan Hou, Weiwei Xia, Zongkai Peng, Tao Shen, Huolin L. Xin, Guoan Zhang, Deli WangThree-dimensional nitrogen doped hierarchical porous carbons are synthesized by NaCl-assisted pyrolysis exfoliation of a ZIF-8 polyhedron with enhanced ORR electrocatalytic activities.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry

Magnetotransport Properties of Graphene Nanoribbons with Zigzag Edges

2018-05-25T12:36:16+00:00 May 25th, 2018|Categories: Uncategorized|

Author(s): Shuang Wu, Bing Liu, Cheng Shen, Si Li, Xiaochun Huang, Xiaobo Lu, Peng Chen, Guole Wang, Duoming Wang, Mengzhou Liao, Jing Zhang, Tingting Zhang, Shuopei Wang, Wei Yang, Rong Yang, Dongxia Shi, Kenji Watanabe, Takashi Taniguchi, Yugui Yao, Weihua Wang, and Guangyu ZhangThe determination of the electronic structure by edge geometry is unique to graphene. In theory, an evanescent nonchiral edge state is predicted at the zigzag edges of graphene. Up to now, the approach used to study zigzag-edged graphene has mostly been limited to scanning tunneling microscopy. The …[Phys. Rev. Lett. 120, 216601] Published Tue May 22, 2018

Veselago focusing of anisotropic massless Dirac fermions

2018-05-25T12:35:20+00:00 May 25th, 2018|Categories: Uncategorized|

Author(s): Shu-Hui Zhang, Wen Yang, and F. M. PeetersMassless Dirac fermions (MDFs) emerge as quasiparticles in various novel materials such as graphene and topological insulators, and they exhibit several intriguing properties, of which Veselago focusing is an outstanding example with a lot of possible applications. However, up to now Veselago focusi…[Phys. Rev. B 97, 205437] Published Tue May 22, 2018

Revealing the microscopic CVD growth mechanism of MoSe 2 and the role of hydrogen gas during the growth procedure

2018-05-25T12:33:50+00:00 May 25th, 2018|Categories: Uncategorized|

Understanding the microscopic mechanisms for the nucleation and growth of two-dimensional molybdenum diselenide (2D MoSe 2 ) via chemical vapor deposition (CVD) is crucial towards the precisely controlled growth of the 2D material. In this work, we employed a joint use of transmission electron microscopy and CVD, in which the 2D MoSe 2 were directly grown on a graphene membrane based on grids, that enables the microstructural characterization of as-grown MoSe 2 flakes. We further explore the role of hydrogen gas and find: in an argon ambient, the primary products are few-layer MoSe 2 flakes, along with MoO x nanoparticles; while with the introduction of H 2 , single-layer MoSe 2 became the dominant product during the CVD growth. Quantitative analysis of the effects of H 2 flow rate on the flake sizes, and areal coverage was also given. Nevertheless, we further illuminated the evolution of shap…

Standing, lying, and sitting: translating building principles of the cell membrane to synthetic 2D material interfaces

2018-05-25T12:30:15+00:00 May 25th, 2018|Categories: Uncategorized|

Chem. Commun., 2018, Advance ArticleDOI: 10.1039/C8CC02596G, Feature ArticleS. A. ClaridgeLessons can be drawn from cell membranes in controlling noncovalent functionalization of 2D materials to optimize interactions with the environment.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry

Standing, lying, and sitting: translating building principles of the cell membrane to synthetic 2D material interfaces

2018-05-25T12:30:14+00:00 May 25th, 2018|Categories: Uncategorized|

Chem. Commun., 2018, Advance ArticleDOI: 10.1039/C8CC02596G, Feature ArticleS. A. ClaridgeLessons can be drawn from cell membranes in controlling noncovalent functionalization of 2D materials to optimize interactions with the environment.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry

Modulating the magnetic properties of MoS2 monolayers by group VIII doping and vacancy engineering

2018-05-25T12:29:02+00:00 May 25th, 2018|Categories: Uncategorized|

RSC Adv., 2018, 8,18837-18850DOI: 10.1039/C8RA01644E, Paper Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Cuifang Jia, Bo Zhou, Qi Song, Xiaodong Zhang, Zhenyi JiangIn this work, the density functional theory study shows that the magnetic properties of MoS2 monolayer can be tuned by the distribution of group VIII atom and S vacancy, in which the dopant is incorporated via Mo subsitution.The content of this RSS Feed (c) The Royal Society of Chemistry

From a ZIF-8 polyhedron to three-dimensional nitrogen doped hierarchical porous carbon: an efficient electrocatalyst for the oxygen reduction reaction

2018-05-25T11:17:55+00:00 May 25th, 2018|Categories: Uncategorized|

J. Mater. Chem. A, 2018, Advance ArticleDOI: 10.1039/C8TA02385A, PaperCuijuan Xuan, Baoshan Hou, Weiwei Xia, Zongkai Peng, Tao Shen, Huolin L. Xin, Guoan Zhang, Deli WangThree-dimensional nitrogen doped hierarchical porous carbons are synthesized by NaCl-assisted pyrolysis exfoliation of a ZIF-8 polyhedron with enhanced ORR electrocatalytic activities.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry

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