Graphene nanoribbon network for optical trapping and transportation of nanoparticles

Peter Q. Liu; Puspita Paul

doi:10.1117/12.2578895

5 March 2021 Graphene nanoribbon network for optical trapping and transportation of nanoparticles

Peter Q. Liu, Puspita Paul

Proceedings Volume 11688, 2D Photonic Materials and Devices IV; 116880V (2021) https://doi.org/10.1117/12.2578895
Event: SPIE OPTO, 2021, Online Only

Abstract

We propose and demonstrate the feasibility of employing a tunable graphene nano-ribbon plasmonic network for optically trapping and transporting nano-particles within the network. In contrast to conventional metal-based plasmonic tweezers which require varying the excitation light source to achieve manipulation of trapped objects, our proposed graphene nano-ribbon plamonic network realizes accurately controlled transportation of trapped nano-particles via electrostatically tuning the carrier density distribution in the graphene network. Plane-wave excitation of the plasmonic resonances of graphene nano-ribbons at 1mW per square micrometer intensity level is sufficient to generate a trapping potential larger than 10kT at room temperature for nano-particles with a sub-100nm diameter.

Conference Presentation

Citation Download Citation

Peter Q. Liu and Puspita Paul "Graphene nanoribbon network for optical trapping and transportation of nanoparticles", Proc. SPIE 11688, 2D Photonic Materials and Devices IV, 116880V (5 March 2021); https://doi.org/10.1117/12.2578895

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