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A laser-based chemical process enables reversible doping of graphene

Laser-assisted chemical reactions have been used to write reversible ultra-high-density doping patterns in graphene for optoelectronic applications. The approach used two laser beams with specific photon energies and geometric configurations to enable local doping with a high dopant coverage ratio on graphene, while preserving the electronic properties of the surface.

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Fig. 1: Chlorination and reversible local Cl removal on graphene using two lasers.

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This is a summary of: Rho, Y. et al. A laser-assisted chlorination process for reversible writing of doping patterns in graphene. Nat. Electron. https://doi.org/10.1038/s41928-022-00801-2 (2022).

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A laser-based chemical process enables reversible doping of graphene. Nat Electron (2022). https://doi.org/10.1038/s41928-022-00802-1

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  • DOI: https://doi.org/10.1038/s41928-022-00802-1

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