Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27408
Title: Selective decoration of au nanoparticles on monolayer MoS2 single crystals
Authors: Shi, Y
Huang, JK
Jin, L
Hsu, YT
Yu, SF 
Li, LJ
Yang, HY
Issue Date: 2013
Publisher: Nature Publishing Group
Source: Scientific reports, 2013, v. 3, 1839 How to cite?
Journal: Scientific Reports 
Abstract: We report a controllable wet method for effective decoration of 2-dimensional (2D) molybdenum disulfide (MoS2) layers with Au nanoparticles (NPs). Au NPs can be selectively formed on the edge sites or defective sites of MoS2 layers. The Au-MoS2 nano-composites are formed by non-covalent bond. The size distribution, morphology and density of the metal nanoparticles can be tuned by changing the defect density in MoS2 layers. Field effect transistors were directly fabricated by placing ion gel gate dielectrics on Au-decorated MoS2 layers without the need to transfer these MoS2 layers to SiO2/Si substrates for bottom gate devices. The ion gel method allows probing the intrinsic electrical properties of the as-grown and Au-decorated MoS2 layers. This study shows that Au NPs impose remarkable p-doping effects to the MoS2 transistors without degrading their electrical characteristics.
URI: http://hdl.handle.net/10397/27408
ISSN: 2045-2322
DOI: 10.1038/srep01839
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