journal article·2020-06-26

Graphene-Loaded Plasmonic Zirconium Nitride and Gold Nanogroove Arrays for Surface-Charge Modifications

Min-Wen Yu, Satoshi Ishii, Ji-Ren Ku, Jhen-Hong Yang, Chih-Hsiang Huang, Tien-Chang Lu, Tzy-Rong Lin, Tadaaki Nagao, Kuo-Ping Chen

ACS Applied Nano Materials· Volume 3· Issue 6
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Abstract

Graphene-on-metal (G/M) heterostructures have gained considerable attention in recent years owing to their outstanding optical and electrical properties. In this study, the polarity of graphene doping to different metallic materials underneath graphene is analyzed for applications in surface-charge modifications. Kelvin probe force microscopy clearly reveals the charge-transfer effects of plasmonic zirconium nitride (ZrN) and gold (Au) on the formation of G/M heterostructures. In addition, both ZrN and Au nanogroove arrays are fabricated by focused ion beam to generate surface plasmon resonances. The charge-transfer effects influence the effective permittivities of ZrN and Au surfaces such that opposite plasmonic resonance shifts are demonstrated for the ZrN and Au nanogroove arrays. Our results show that the choice of metallic material is important for achieving a desired charge transfer in the loading of graphene onto metallic materials.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Graphene research and applications · Plasmonic and Surface Plasmon Research · 2D Materials and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Lighting and Energy Photonics, College of Photonics, National Chiao Tung University, 301 Gaofa Third Road, Tainan 71150, Taiwan

International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan

Institute of Imaging and Biomedical Photonics, College of Photonics, National Chiao Tung University, 301 Gaofa Third Road, Tainan 71150, Taiwan

Institute of Photonic System, College of Photonics, National Chiao Tung University, 301 Gaofa Third Road, Tainan 71150, Taiwan

Department of Photonics, College of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan

Department of Mechanical and Mechatronic Engineering, Institute of Optoelectronic Sciences, and Center of Excellence for Ocean Engineering, National Taiwan Ocean University, Keelung 20224, Taiwan

Department of Condensed Matter Physics, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan

Funding

Japan Society for the Promotion of Science · Ministry of Science and Technology, Taiwan

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