Raman spectrum of graphene and graphene layers.
Andrea C. Ferrari,Jannik C. Meyer,Vittorio Scardaci,Cinzia Casiraghi,Michele Lazzeri,Francesco Mauri,S. Piscanec,Da Jiang,K. S. Novoselov,S. Roth,A. K. Geim +10 more
TLDR
This work shows that graphene's electronic structure is captured in its Raman spectrum that clearly evolves with the number of layers, and allows unambiguous, high-throughput, nondestructive identification of graphene layers, which is critically lacking in this emerging research area.Abstract:
Graphene is the two-dimensional building block for carbon allotropes of every other dimensionality We show that its electronic structure is captured in its Raman spectrum that clearly evolves with the number of layers The D peak second order changes in shape, width, and position for an increasing number of layers, reflecting the change in the electron bands via a double resonant Raman process The G peak slightly down-shifts This allows unambiguous, high-throughput, nondestructive identification of graphene layers, which is critically lacking in this emerging research arearead more
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Effective Suppression of Dendritic Lithium Growth Using an Ultrathin Coating of Nitrogen and Sulfur Codoped Graphene Nanosheets on Polymer Separator for Lithium Metal Batteries.
TL;DR: It is demonstrated that nitrogen and sulfur codoped graphene (NSG) nanosheets coated on a polyethylene separator stabilized the lithium electrode in lithium metal batteries by effectively suppressing dendrite growth and maintaining a uniform ionic flux on the metal surface.
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Nitrogen-doped porous carbon nanosheets made from biomass as highly active electrocatalyst for oxygen reduction reaction
TL;DR: In this article, the performance of metal-free nitrogen-doped porous carbon nanosheets (NPCN) with hierarchical porous structure and a high surface area of 1436.02m 2 ǫg −1 for catalyzing ORR was reported.
Journal ArticleDOI
Infrared spectroscopy of wafer-scale graphene.
Hugen Yan,Fengnian Xia,Wenjuan Zhu,Marcus Freitag,Christos D. Dimitrakopoulos,Ageeth A. Bol,George S. Tulevski,Phaedon Avouris +7 more
TL;DR: In this article, spectroscopy results from the mid- to far-infrared on wafer-scale graphene, grown either epitaxially on silicon carbide or by chemical vapor deposition, were reported.
Journal ArticleDOI
Atomically Dispersed Hierarchically Ordered Porous Fe-N-C Electrocatalyst for High Performance Electrocatalytic Oxygen Reduction in Zn-Air Battery
Xibo Zhang,Xiao Han,Zhe Jiang,Jie Xu,Luning Chen,Yakun Xue,Anmin Nie,Zhaoxiong Xie,Qin Kuang,Lan-Sun Zheng +9 more
TL;DR: In this article, a 3D hierarchically ordered microporous-mesoporous-macroporous nitrogen doped carbon (3DOM Fe-N-C-900) was used as an efficient oxygen reduction reaction (ORR) catalyst.
Journal ArticleDOI
Facile synthesis of novel graphene sponge for high performance capacitive deionization
TL;DR: The results indicate that GS should be a promising candidate for CDI electrode, due to the unique 3D interconnected porous structure, large accessible surface area and low charge transfer resistance.
References
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疟原虫var基因转换速率变化导致抗原变异[英]/Paul H, Robert P, Christodoulou Z, et al//Proc Natl Acad Sci U S A
TL;DR: PfPMP1)与感染红细胞、树突状组胞以及胎盘的单个或多个受体作用,在黏附及免疫逃避中起关键的作�ly.