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Updated: Jan 31, 2026

Preparation of Sample Support Films in Transmission Electron Microscopy using a Support Floatation Block
Published on: April 8, 2021
Graphene-Supported Thin Metal Films for Nanophotonics and Optoelectronics
Dmitry I Yakubovsky1, Yury V Stebunov2,3, Roman V Kirtaev4
1Center for Photonics & 2D Materials, Moscow Institute of Physics and Technology, 9 Institutsky Lane, Dolgoprudny 141700, Russia. dmitrii.yakubovskii@phystech.edu.
Abstract:
Graphene-metal hybrid nanostructures have attracted considerable attention due to their potential applications in nanophotonics and optoelectronics. The output characteristics of devices based on such nanostructures largely depend on the properties of the metals. Here, we study the optical, electrical and structural properties of continuous thin gold and copper films grown by electron beam evaporation on monolayer graphene transferred onto silicon dioxide substrates. We find that the presence of graphene has a significant effect on optical losses and electrical resistance, both for thin gold and copper films. Furthermore, the growth kinetics of gold and copper films vary greatly; in particular, we found here a significant dependence of the properties of thin copper films on the deposition rate, unlike gold films. Our work provides new data on the optical properties of gold and copper, which should be considered in modeling and designing devices with graphene-metal nanolayers.
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