The effect of Au nanoparticles on the strain-dependent electrical properties of CVD graphene

  • Jing Bai
  • Haiyan Nan
  • Han Qi
  • Dan Bing
  • Ruxia Du
Research Paper


We conducted an experimental study of the effect of Au nanoparticles (NPs) on the strain-dependent electrical properties in chemical vapor deposition grown graphene. We used 5-nm thick Au NPs as an effective cover (and doping) layer for graphene, and found that Au NPs decrease electrical resistance by two orders of magnitude. In addition, the Au NPs suppress the effect of strain on resistance because the intrinsic topological cracks and grain boundaries in graphene are filled with Au nanoparticles. This method has a big potential to advance industrial production of large-area, high-quality electronic devices and graphene-based transparent electrodes.


Graphene Strain Resistance Au nanoparticles Nanocomposites 


Compliance with ethical standards


This work is funded by Science Foundation of Nanjing Tech University Pujiang Institute (njpj2015-1-02), National Natural Science Foundation of China (Grant No. 11704159), Natural Science Foundation of Jiangsu Province (Grant No. BK20160831), and Natural Science Fund for Colleges and Universities in Jiangsu Province (16KJB430019).

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  • Jing Bai
    • 1
  • Haiyan Nan
    • 2
    • 3
  • Han Qi
    • 4
  • Dan Bing
    • 1
  • Ruxia Du
    • 1
  1. 1.Department of Basic TeachingNanjing Tech University Pujiang InstituteNanjingChina
  2. 2.Engineering Research Center of IoT Technology Applications (Ministry of Education), Department of Electronic EngineeringJiangnan UniversityWuxiChina
  3. 3.Department of PhysicsSoutheast UniversityNanjingChina
  4. 4.Jiangsu Key Laboratory for Design and Fabrication of Micro-Nano Biomedical Instruments, School of Mechanical EngineeringNanjingChina

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