Li Yilun, Peng Zhiwei, Larios Eduardo, Wang Gunuk, Lin Jian, Yan Zheng, Ruiz-Zepeda Francisco, José-Yacamán Miguel, Tour James M
Department of Chemistry, ‡Richard E. Smalley Institute for Nanoscale Science and Technology, §Department of Materials Science and NanoEngineering, Rice University , 6100 Main Street, Houston, Texas 77005, United States.
ACS Nano. 2015 Jan 27;9(1):532-8. doi: 10.1021/nn505792n. Epub 2014 Dec 15.
The synthesis of rebar graphene on Cu substrates is described using functionalized boron nitride nanotubes (BNNTs) that were annealed or subjected to chemical vapor deposition (CVD) growth of graphene. Characterization shows that the BNNTs partially unzip and form a reinforcing bar (rebar) network within the graphene layer that enhances the mechanical strength through covalent bonds. The rebar graphene is transferrable to other substrates without polymer assistance. The optical transmittance and conductivity of the hybrid rebar graphene film was tested, and a field effect transistor was fabricated to explore its electrical properties. This method of synthesizing 2D hybrid graphene/BN structures should enable the hybridization of various 1D nanotube and 2D layered structures with enhanced mechanical properties.
本文描述了在铜衬底上合成钢筋状石墨烯的方法，该方法使用了经过退火处理或经过石墨烯化学气相沉积（CVD）生长的功能化氮化硼纳米管（BNNTs）。表征结果表明，BNNTs会部分展开，并在石墨烯层内形成一个钢筋网络，该网络通过共价键增强了机械强度。这种钢筋状石墨烯无需聚合物辅助即可转移到其他衬底上。测试了混合钢筋状石墨烯薄膜的光学透过率和导电性，并制造了场效应晶体管来探究其电学性质。这种合成二维石墨烯/氮化硼混合结构的方法应能实现各种一维纳米管和二维层状结构的杂化，同时增强其机械性能。
