Growth of highly oriented crystalline gold nanoislands on MgO(001) substrates for surface-enhanced Raman scattering chips by pulsed laser deposition-Reference-Cited by-同舟云学术

Growth of highly oriented crystalline gold nanoislands on MgO(001) substrates for surface-enhanced Raman scattering chips by pulsed laser deposition

Published:2023-07-31 Issue:5 Volume:123 Page:
ISSN:0003-6951
Container-title:Applied Physics Letters
language:en
Short-container-title:

Author:

Kurumi Satoshi¹²^ORCID,Sugawa Kosuke¹^ORCID,Takase Kouichi¹^ORCID,Darma Yudi³⁴^ORCID,Sagara Takuya⁵^ORCID,Matsuda Ken-ichi¹^ORCID,Suzuki Kaoru¹^ORCID,Ong Bin Leong²⁶^ORCID,Rusydi Andrivo²⁶⁷^ORCID

Affiliation:

1. College of Science and Technology, Nihon University 1 , 1-8-14, Kanda Surugadai, Chiyoda-ku, Tokyo 101-8308, Japan

2. Advanced Research Initiative for Correlated-Electron Systems (ARiCES), Department of Physics, National University of Singapore 2 , 2 Science Drive 3, Singapore 117551, Singapore

3. Department of Physics, Institut Teknologi Bandung 3 , Ganesa 10, Bandung 40132, Indonesia

4. Research Collaboration Center for Quantum Technology 2.0 4 , Bandung 40132, Indonesia

5. Tokyo Metropolitan College of Industrial Technology 5 , 1-10-40, Higashioi, Shinagawa-ku, Tokyo 140-0011, Japan

6. Singapore Synchrotron Light Source, National University of Singapore 6 , 5 Research Link, Singapore 117603

7. Centre for Advanced 2D Materials, National University of Singapore 7 , 6 Science Drive 2, Singapore 117546

Abstract

Highly oriented crystalline gold nanoislands (NIs) are self-assembled on MgO(001) substrates by pulsed laser deposition. Morphologies of the gold NIs are significantly dependent on the substrate temperature during gold deposition. Symmetrical-shaped NIs with Au(111) orientation are existence parallel to the MgO(001) substrate at low temperatures deposition (350 and 550 °C), while square-shaped and hexagonal-shaped gold NIs are co-existence whose crystallinity was Au(001) and Au(111), respectively. Extinction spectra of the gold NIs on MgO(001) substrates show that wide-range of photo-energy is disappeared. For a simple and useful plasmonic device, the produced gold NIs on MgO(001) substrates are applied to the surface-enhanced Raman scattering (SERS) chips. The SERS properties of the chips are evaluated using 4-MBA as a model analyte. From the SERS signal of a 4-MBA ring breathing mode, we obtain a significant enhancement factor over 107, which is approximately 10 times higher than that of a conventional SERS chip.

Funder

Nihon University

Publisher

AIP Publishing

Subject

Physics and Astronomy (miscellaneous)

Link

https://pubs.aip.org/aip/apl/article-pdf/doi/10.1063/5.0152610/18073230/053502_1_5.0152610.pdf

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