| RESS制备石墨烯纳米片及防止其再团聚的新方法 |
| |
| 引用本文： | 赵健,刘振生,秦余磊.RESS制备石墨烯纳米片及防止其再团聚的新方法[J].炭素,2014(2):13-18. |
| |
| 作者姓名： | 赵健 刘振生 秦余磊 |
| |
| 作者单位： | 青岛科技大学橡塑材料与工程教育部重点实验室,山东青岛266042 |
| |
| 基金项目： | 国家自然科学基金项目（51373088和51073082） |
| |
| 摘 要： | 本文以天然鳞片石墨为原料，利用超临界状态下二氧化碳的快速膨胀（RESS）来剥离石墨产生石墨烯纳米片。电子显微镜（SEM）表征证实RESS可有效地实现石墨的剥离，并产生了一些石墨烯纳米片层。同时，为了解决再团聚难题，提出利用碳纳米管在产生石墨烯纳米片间穿层的方法和利用小分子包覆法来防止其再团聚，实验证实都起到良好的效果。
|
| 关 键 词： | 石墨烯 剥离 超临界流体 快速膨胀 |
Preparation of graphene nanosheets by RESS and the new methods of preventing graphene nanosheets from reagglomeration upon RESS |
| |
| ZHAO Jian,LIU Zhen-sheng,QIN Yu-lei.Preparation of graphene nanosheets by RESS and the new methods of preventing graphene nanosheets from reagglomeration upon RESS[J].Carbon,2014(2):13-18. |
| |
| Authors: | ZHAO Jian LIU Zhen-sheng QIN Yu-lei |
| |
| Affiliation: | (Key Laboratory of Rubber-Plastics Ministry of Education ,Qingdao University of Science and Technology ,Qingdao266024,China) |
| |
| Abstract: | In this work, we report a process for production of graphene nanosheets that can be exfoliated directly from graphite via rapid expansion of supercritical suspension （RESS）. The degree of exfoliation were studied by scanning electron microscopy. It was found that RESS effectively exfoliated graphite to obtain graphene nanosheets. In order to prevent graphene nanosheets from reagglomeration upon RESS, we creatively proposed low molecular weight organic molecules coating method and inserting carbon nanotubes into graphene nanosheets method. |
| |
| Keywords: | graphenenanosheets exfoliation supercritical fluid rapid expansion |
| 本文献已被 维普 等数据库收录！ |
