AI Article Synopsis

  • This study explores how the electrical conductivity of exfoliated RuO nanosheets changes when they're decorated with metal nanoparticles like Cu and Ag.
  • It was found that the conductivity of both monolayer and bilayer nanosheets increases with surface decoration, and the contact resistance between the nanosheets and electrodes decreases.
  • The research concludes that using metal nanoparticles for surface decoration is an effective strategy for improving the electrical properties and contact engineering of nanomaterials.

Article Abstract

We studied the variation in electrical conductivity of exfoliated RuO nanosheets and the modulation in the contact resistance of individual nanosheet devices using charge transfer doping effects based on surface metal nanoparticle decorations. The electrical conductivity in the monolayer and bilayer RuO nanosheets gradually increased due to the surface decoration of Cu, and subsequently Ag, nanoparticles. We obtained contact resistances between the nanosheet and electrodes using the four-point and two-point probe techniques. Moreover, the contact resistances decreased during the surface decoration processes. We established that the surface decoration of metal nanoparticles is a suitable method for external contact engineering and the modulation of the internal properties of nanomaterials.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8467981PMC
http://dx.doi.org/10.3390/nano11092444DOI Listing

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