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Extraordinary room-temperature photoluminescence in triangular WS2 monolayers.
Individual monolayers of metal dichalcogenides are atomically thin two-dimensional crystals with attractive physical properties different from those of their bulk counterparts. Here we describe theExpand
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  • Open Access
Improved filling rate and enhanced magnetic properties of Fe-filled carbon nanotubes by annealing and magnetic separation
The filling rate of Fe nanowires in carbon nanotubes (CNTs) was improved by a post-treatment which involved annealing and magnetic separation. The annealing process transformed γ-Fe to ferromagneticExpand
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Ultrasensitive molecular sensor using N-doped graphene through enhanced Raman scattering
N-doped graphene can be used as a substrate for different molecules to effectively enhance their Raman scattering signal. As a novel and efficient surface analysis technique, graphene-enhanced RamanExpand
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  • Open Access
Controlled synthesis and transfer of large-area WS2 sheets: from single layer to few layers.
The isolation of few-layered transition metal dichalcogenides has mainly been performed by mechanical and chemical exfoliation with very low yields. In this account, a controlled thermalExpand
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  • Open Access
Two-dimensional transition metal dichalcogenides: Clusters, ribbons, sheets and more
Summary Monolayers of transition metal dichalcogenides (TMDs), such as MoS2 and WS2, have recently triggered worldwide research interest due to their remarkable optical and electronic properties.Expand
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Effect of growing CNTs onto bamboo charcoals on adsorption of copper ions in aqueous solution.
One kind of novel hierarchical carbon nanotubes/bamboo charcoal (CNTs/BC) was prepared by CVD growth of CNTs on low-cost bamboo charcoal (BC). The obtained CNTs/BC composites were characterized byExpand
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Photosensor Device Based on Few-Layered WS2 Films
Few-layered films of WS2, synthesized by chemical vapor deposition on quartz, are successfully used as light sensors. The film samples are structurally characterized by Raman spectroscopy, atomicExpand
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  • Open Access
Building complex hybrid carbon architectures by covalent interconnections: graphene-nanotube hybrids and more.
Graphene is theoretically a robust two-dimensional (2D) sp(2)-hybridized carbon material with high electrical conductivity and optical transparency. However, due to the existence of grain boundariesExpand
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Facile synthesis of nitrogen-doped carbon nanosheets with hierarchical porosity for high performance supercapacitors and lithium–sulfur batteries
Magnesium citrate and potassium citrate are two commonly used food additives in our daily life. Herein, we prepared nitrogen-doped hierarchical porous carbon nanosheets (N-HPCNSs) through directExpand
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  • Open Access
Low-temperature Synthesis of Heterostructures of Transition Metal Dichalcogenide Alloys (WxMo1-xS2) and Graphene with Superior Catalytic Performance for Hydrogen Evolution.
Large-area (∼cm2) films of vertical heterostructures formed by alternating graphene and transition-metal dichalcogenide (TMD) alloys are obtained by wet chemical routes followed by a thermalExpand
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  • Open Access