Synthesis and optical properties of rod-shaped graphene nanoparticles

Daniel Medina-Lopez (1) , Thomas Liu (2) , Christine Elias (2) , Loïc Rondin (2) , Jean‐sébastien Lauret (2) , Stéphane Campidelli (1)

1 LICSEN UMR 3685 - Laboratoire Innovation en Chimie des Surfaces et NanoSciences
2 LuMIn - Laboratoire Lumière, Matière et Interfaces

The scientific community has given much interest to graphene in recent years because of its good mechanical, thermal and electrical properties. Nonetheless, applications in optics and optoelectronics can be limited due to the absence of a bandgap. In order to engineer a bandgap, we can reduce the size of graphene into graphene quantum dots (GQDs). GQDs synthesis is primarily described via top-down methods (lithography, hydrothermal and electrochemical approaches). Though effective, these methods do not allow accurate control of the size, shape and edges of the GQDs. On the other hand, bottom-up graphene materials have developed exponentially for the last decade with the synthesis of highly controlled graphene nanoribbon structures and moderately soluble graphene quantum dots. Our group demonstrated that bottom-up GQDs could act as singlephoton emitters exhibiting high brightness and stability

Domaines: Matériaux

Daniel Medina-Lopez, Thomas Liu, Christine Elias, Loïc Rondin, Jean‐sébastien Lauret, et al.. Synthesis and optical properties of rod-shaped graphene nanoparticles. 241st ECS Meeting, May 2022, Vancouver, Canada. ⟨cea-03687145⟩