Effect of Strain on the Gas Adsorption of Graphene: A First Principle Study

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  • GUAN Yizhao
    Department of Finemechanics, Graduate School of Engineering, Tohoku University
  • QIAO Xiangyu
    Department of Finemechanics, Graduate School of Engineering, Tohoku University
  • ZHANG Qinqiang
    Department of Finemechanics, Graduate School of Engineering, Tohoku University
  • SUZUKI Ken
    Fracture and Reliability Research Institute, Graduate School of Engineering, Tohoku University
  • MIURA Hideo
    Fracture and Reliability Research Institute, Graduate School of Engineering, Tohoku University

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Other Title
  • グラフェン上へのガス吸着特性に及ぼすひずみの影響：第一原理解析

Abstract

<p>The graphene based gas sensor was proposed as the next generation sensor which have the high sensitivity to detect gases with concentration smaller than 1 p.p.m, along with fast response time and low thermal noise. At the same time, the strain effect on graphene have been studied in detail. In this research, the topic “Strain effect on gas adsorption of graphene” was proposed and it is one potential to find a new way to further enhance the sensitivity and help build selectivity for graphene based gas sensor. The first principle calculation was applied and the analysis of band structure, charge transfer under strain and adsorption condition was studied.</p>

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