Toward the synthesis of wafer-scale single-crystal graphene on copper foils.

  title={Toward the synthesis of wafer-scale single-crystal graphene on copper foils.},
  author={Z. Yan and J. Lin and Zhiwei Peng and Z. Sun and Y. Zhu and L. Li and Changsheng Xiang and E. Samuel and C. Kittrell and J. Tour},
  journal={ACS nano},
  volume={6 10},
  • Z. Yan, J. Lin, +7 authors J. Tour
  • Published 2012
  • Materials Science, Medicine
  • ACS nano
  • In this research, we constructed a controlled chamber pressure CVD (CP-CVD) system to manipulate graphene's domain sizes and shapes. Using this system, we synthesized large (~4.5 mm(2)) single-crystal hexagonal monolayer graphene domains on commercial polycrystalline Cu foils (99.8% purity), indicating its potential feasibility on a large scale at low cost. The as-synthesized graphene had a mobility of positive charge carriers of ~11,000 cm(2) V(-1) s(-1) on a SiO(2)/Si substrate at room… CONTINUE READING
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