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Aqueous Stabilization and Self-Assembly of Graphene Sheets into Layered Bio-Nanocomposites using DNA

机译：石墨烯片的水稳定性和使用DNA自组装成层状生物纳米复合材料

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摘要

Atomically thick graphene layers produced from graphite reveal unique electro-thermal, and mechanical properties, and are considered to have a wide range of applications in nanoelec-tronics, catalysis and biosensing. Graphene monolayers exhibiting exceptional electron/hole carrier mobility have been prepared by mechanical exfoliation of highly ordered pyrolytic graphite,by epitaxial growth using chemical vapour deposition of hydrocarbons onto silicon carbide,or via thermal fusion of polycyclic aromatic hydrocarbons.These methods are constrained by low yields and processing limitations, and more practical approaches based on the chemical or thermal reduction of exfoliated sheets of oxidised graphite (graphene oxide, GO) have been developed. High yields of GO monolayers, 0.78 nm in thickness, can be readily prepared by treatment of graphite under strongly acidic and oxidising conditions.
机译：由石墨制成的原子厚的石墨烯层具有独特的电热和机械性能，被认为在纳米电子，催化和生物传感方面具有广泛的应用。通过高度剥落的热解石墨的机械剥落，通过碳氢化合物化学气相沉积在碳化硅上的外延生长或通过多环芳烃的热熔融制备了具有优异的电子/空穴载流子迁移率的石墨烯单层。由于存在局限性和加工限制，已经开发出了基于化学或热还原氧化石墨（氧化石墨烯，GO）的脱落薄片的更实用的方法。通过在强酸性和氧化条件下对石墨进行处理，可以轻松制备出高产量的厚度为0.78 nm的GO单层。

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  • 来源
    《Advanced Materials》 |2009年第31期|3159-3164|共6页
  • 作者

    Avinash J. Patil; Jemma L. Vickery; Thomas B. Scott; Stephen Mann;

  • 作者单位

    Centre for Organized Matter Chemistry,School of Chemistry, University of Bristol Bristol, BS8 1TS (UK);

    Centre for Organized Matter Chemistry,School of Chemistry, University of Bristol Bristol, BS8 1TS (UK);

    Interface Analysis Centre University of Bristol Bristol, BS3 1DS (UK);

    Centre for Organized Matter Chemistry,School of Chemistry, University of Bristol Bristol, BS8 1TS (UK);

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