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| Content Provider | IET Digital Library |
|---|---|
| Author | Hsu, Ping Cheng Lin, Ting An Tsai, I Shou |
| Abstract | A simple method was used to produce a high concentration of single-layer graphene sheets in a single organic solvent system, without using any surfactants. In this experiment, the concentration of single-layer graphene sheets dispersed in solution increased as the sonication time increased, but damage occurred after performing sonication for 120 min. The concentration of single-layer graphene sheets was 0.915 mg/ml after sonication for 60 min. According to a transmission electron microscope image, the length of the single-layer graphene sheets was ∼2–3 μm, and the width was 0.5–1 μm. The perfect single-layer graphene sheets and the defective single-layer graphene sheets were distinguished using selected-area electron diffraction. X-ray diffraction determined that the two-theta angle of the numerous single-layer graphene sheets on a (002) plane was 25.57°, but the ‘one layer’ graphene sheets produced no peak along the (002) plane. According to the Raman spectra, the ratio of ID /IG was 0.3, which indicated that the graphene sheets contained few defects. |
| Starting Page | 922 |
| Ending Page | 926 |
| Page Count | 5 |
| Volume Number | 9 |
| e-ISSN | 17500443 |
| Issue Number | Issue 12, Dec (2014) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/9/12 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2014.0415 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2014-10-23 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Diamond Electron Diffraction Fullerene-related Material Graphene Infrared And Raman Spectra in Inorganic Crystal Intercalation Compound Natural Graphite Nonchemical Liquid-phase Exfoliation Optical Property of Fullerenes And Related Material Plane Preparation of Fullerenes And Fullerene-related Material Raman Spectra Single Organic Solvent System Single-layer Graphene Sheet Concentration Single-layer Selected-area Electron Diffraction Sonication Time Structure of Fullerenes Time 120 Min Transmission Electron Microscopy Two-theta Angle X-Ray Diffraction |
| Content Type | Text |
| Resource Type | Article |
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