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Nanometer control in plasmonic systems through discrete layer-by-layer macrocycle–cation deposition

Barrow, Steven J., Palma, Aniello, de Nijs, Bart, Chikkaraddy, Rohit, Bowman, Richard, Baumberg, Jeremy J., Scherman, Oren A. (2020) Nanometer control in plasmonic systems through discrete layer-by-layer macrocycle–cation deposition. Nanoscale, 12 (16). pp. 8706-8710. ISSN 2040-3364. (doi:10.1039/D0NR00902D) (KAR id:84493)

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Abstract

In this work, we demonstrate that coordination interactions between Fe\(^{3+}\) and cucurbit[7]uril (CB[7]) can be utilised to build up defined nanoscale spacing layers in metallic nanosystems. We begin by characterising the layer-by-layer deposition of CB[7] and FeCl\(_3\)·6H\(_2\)O coordination layers through the use of a QuartzCrystal Microbalance (QCM) and contact angle measurements. We then apply this layered structure to accurately control the spacing, and thus optical properties, of gold nanoparticles in a Nanoparticle-on-Mirror (NPoM) structure, which is demonstrated via normalising plasmon resonance spectroscopy.

Item Type: Article
DOI/Identification number: 10.1039/D0NR00902D
Subjects: Q Science > QD Chemistry > QD431 Organic Chemistry- Biochemistry- Proteins, peptides, amino acids
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Signature Themes: Food Systems, Natural Resources and Environment, Future Human
Depositing User: Aniello Palma
Date Deposited: 27 Nov 2020 13:52 UTC
Last Modified: 16 Jan 2024 12:44 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/84493 (The current URI for this page, for reference purposes)

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