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目前制备石墨烯采用的方法有：微机械剥离法、化学气相沉积法、氧化还原法、溶剂剥离法和溶剂热法等．
Large-scale pattern growth of graphene films for stretchable transparent electrodes
Figure 1 | Synthesis, etching and transfer procees for the largescale and patterned graphene films.a, Synthesis of patterned graphene films on thin nickel layers.b, Etching using FeCl3(or acids)and transfer of graphene films using a PDMS stamp.c, Etching using BOE or hydrogen fluoride(HF)solution and transfer of graphene films.RT, room temperature(,25 ℃).Thin layers of nickel of thickne le than 300nm were deposited on SiO2/Si substrates using an electron-beam evaporator电子束蒸发器, and the samples were then heated to 1,000℃ inside a quartz tube under an argon atmosphere.After flowing reaction gas mixtures(CH4:H2:Ar=50:65:200 standard cubic centimetres per minute), we rapidly cooled the samples to room temperature(25℃)at the rate of ,10℃/s using flowing argon.We found that this fast cooling rate is critical关键 in suppreing formation of multiple layers and for separating graphene layers efficiently from the substrate in the later proce.In our work,an aqueous iron(III)chloride(FeCl3)solution(1 M)was used as an oxidizing etchant to remove the nickel layers.The net ionic equation of the etching reaction can be represented as follows:
2Fe3+(aq)+Ni(s)=2Fe2+(aq)+Ni2+(aq)This redox proce slowly etches the nickel layers effectively within a mild pH range without forming gaseous products or precipitates.In a few minutes, the graphene film separated from the substrate floats on the surface of the solution, and the film is then ready to be transferred to any kind of substrate.Graphene on metal surfaces
石墨烯的坚韧和导电氧化铝陶瓷摘要：一个简单、快捷而且可升级的方法描述生产石墨烯/氧化铝（G / Al2O3）复合材料的放电等离子烧结（SPS）与显著改进单片氧化铝的机械和导电性能。氧......
2013年1月，欧盟委员会将石墨烯列为“未来新兴技术旗舰项目”之一；十二五规划石墨烯是新材料中最为“时髦”的一员。它具有超硬、最薄、负电子的特征，有很强的韧性、导电性以及......
石墨烯学习心得最近这段时间断断续续搜集了很多纳米材料、半导体物理还有石墨烯的相关资料，主要是来自万方数据网、超星学术视频网站、百度文库还有一些相关网页博客资料。了......
一．石墨烯常用修饰方法总结石墨烯是由一层密集的、包裹在蜂巢晶体点阵上的碳原子组成，是世界上最薄的二维材料，其厚度仅为 0.35 nm。这种特殊结构蕴含了丰富而新奇的物理现象，使......
石墨烯用途：1、制造下一代超级计算机。石墨烯导电性良好，这种特性尤其适合于高频电路，石墨烯将是硅的替代品，可用来生产未来的超级计算机。2、用石墨烯做的光电化学电池可以取代......
