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Electronic structures of a cerasome surface model

机译:CERASOME表面模型的电子结构

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摘要

We investigate the electronic structures of a cerasome surface model with and without surface substituents such as OH and O-. Our findings reveal that several mid-gap states exist in the energy band gap of the cerasome model with the substituents. One of these states just above the conduction band edge originates from the O- group. Meanwhile, the remaining mid-gap states originate from the anti-bonding states of Si-O bonds. By comparing the partial charge density of the model with and without the substituents, we reveal that introducing the substituents resolve the mid-gap states that were degenerate in the model without the substituents. These results indicate that we can break up the siloxane network by injecting an electron into the anti-bonding mid-gap state using the appropriate substituent. We conclude that this study will promote applications of cerasomes in drug delivery systems. (C) 2019 The Japan Society of Applied Physics
机译:我们研究了具有且没有表面取代基的Cirasome表面模型的电子结构,例如OH和O-。我们的研究结果表明,几个中间隙状态存在于用取代基的Cirasome模型的能带隙中。导通带边缘上方的这些状态之一来自O-Group。同时,剩余的中隙状态源自Si-O债券的抗粘结状态。通过比较模型的部分电荷密度,无需取代基,我们揭示了引入取代基的中间间隙状态,该间隙状态在没有取代基的模型中退化。这些结果表明,我们可以使用适当的取代基将电子注入抗粘合中隙状态来分解硅氧烷网络。我们得出结论,该研究将促进Cerasomes在药物递送系统中的应用。 (c)2019年日本应用物理学会

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  • 来源
    《Japanese journal of applied physics》 |2019年第2019期|SIID04.1-SIID04.4|共4页
  • 作者

    Oda Masato;

  • 作者单位

    Wakayama Univ Dept Appl Phys Wakayama 6408510 Japan;

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  • 正文语种 eng
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