Selective dewetting of metal films for fabrication of atomically separated nanoplasmonic dimers

Suri, P and Deshpande, P and Ghosh, A (2018) Selective dewetting of metal films for fabrication of atomically separated nanoplasmonic dimers. In: 4th IEEE International Conference on Emerging Electronics, ICEE 2018, 17-19 December 2018, Bengaluru.

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Abstract

We present a wafer scale, laser controlled fabrication method for making large-area, plasmonic dimeron-pillar configuration, using stimulated dewetting of thin silver film on MoS2 covered gold disc. The dewetting of 3-nmthick silver film forms preferential silver islands only on the exposed area of the samples. An enhancement in Raman signal is observed, implying the usage of said surface for surface enhanced Raman scattering (SERS). The fabricated configuration can act as a simple and convenient template for optoelectronic and photonic devices.

Item Type:	Conference Paper
Publication:	2018 4th IEEE International Conference on Emerging Electronics, ICEE 2018
Publisher:	Institute of Electrical and Electronics Engineers Inc.
Additional Information:	The copyright for this article belongs to the Institute of Electrical and Electronics Engineers Inc.
Keywords:	Fabrication; Layered semiconductors; Molybdenum compounds; Photonic devices; Plasmonics; Raman scattering; Raman spectroscopy; Silver; Surface scattering, De-wetting; Fabrication method; Field enhancement; Plasmonic dimers; SERS; Silver islands; Surface enhanced Raman Scattering (SERS); Thin silver films, Metallic films
Department/Centre:	Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Date Deposited:	01 Aug 2022 08:59
Last Modified:	01 Aug 2022 08:59
URI:	https://eprints.iisc.ac.in/id/eprint/75098

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