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A Green Synthetic Approach To Graphene Nanosheets For Hydrogen Adsorption

机译：一种绿色合成石墨烯纳米片的氢吸附方法

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摘要

Agreen and facile strategy of preparing graphene by reducing exfoliated graphite oxide (GO) with glucose was developed in this study. The as-prepared samples were characterized by X-ray diffraction (XRD), Raman spectroscopy, Fourier transform infrared spectroscopy (FT-IR), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM) and Atomic force microscopy (AFM). The characterization results indicated that the graphene sheets (GS) were of high quality with smooth surface, rich pore structure and few layer graphene. The samples have a BET specific surface area of 1205.8 m~2 g~(-1) measured by N_2 adsorption at 77 K. The hydrogen storage capacity of 2.7 wt.% at 298 K and 25 bar demonstrated that the as-prepared graphene employing glucose as reductant is supposed to be a promising material with outstanding property for hydrogen storage.
机译：本研究开发了一种绿色简便的方法，该方法通过用葡萄糖还原脱落的氧化石墨（GO）来制备石墨烯。通过X射线衍射（XRD），拉曼光谱，傅立叶变换红外光谱（FT-IR），扫描电子显微镜（SEM），透射电子显微镜（TEM）和原子力显微镜（AFM）表征所制备的样品。表征结果表明，石墨烯片质量高，表面光滑，孔结构丰富，石墨烯层少。样品在77 K下通过N_2吸附测量的BET比表面积为1205.8 m〜2 g〜（-1）。在298 K和25 bar下的储氢容量为2.7 wt。％，表明所制备的石墨烯采用葡萄糖作为还原剂被认为是一种有前途的材料，具有出色的储氢性能。

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  • 来源
    《Applied Surface Science》 |2011年第23期|p.10183-10187|共5页
  • 作者

    Wenhui Yuan; BaoqingLi; Li Li;

  • 作者单位

    School of Chemistry and Chemical Engineering, South China University of Technology, Guangdong, Guangzhou 510640, PR China;

    School of Chemistry and Chemical Engineering, South China University of Technology, Guangdong, Guangzhou 510640, PR China;

    College of Environmental Science and Engineering, South China University of Technology, Guangdong, Guangzhou 510640, PR China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Graphene; Hydrogen adsorption; Porous; Single layer; Green and facile;

    机译：石墨烯;氢吸附;多孔;单层;绿色易染;

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