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Gold nanofilms at liquid-liquid interfaces: an emerging platform for redox electrocatalysis, nanoplasmonic sensors, and electrovariable optics
Date
2018
Abstract
The functionality of liquid-liquid interfaces formed between two immiscible electrolyte solutions (ITIES) can be markedly enhanced by modification with supramolecular assemblies or solid nanomaterials. The focus of this review is recent progress involving ITIES modified with floating assemblies of gold nanoparticles or â nanofilmsâ . Experimental methods to controllably modify liquid-liquid interfaces with gold nanofilms are detailed. Also, we outline an array of techniques to characterise these gold nanofilms in terms of their physiochemical properties (such as reflectivity, conductivity, catalytic activity or plasmonic properties) and physical interfacial properties (for example, interparticle spacing and immersion depth at the interface). The ability of floating gold nanofilms to impact a diverse range of fields is demonstrated: in particular redox electrocatalysis, surface-enhanced Raman spectroscopy (SERS) or surface plasmon resonance (SPR) based sensors, and electrovariable optical devices. Finally, perspectives on applications beyond the state-of-the-art are provided.
Supervisor
Description
peer-reviewed
The full text of this article will not be available in ULIR until the embargo expires on the 30/1/2019
Publisher
American Chemical Society
Citation
Chemical Reviews;118 (7), pp. 3722-3751
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Scanlon_2018_Gold.pdf
Adobe PDF, 4.33 MB
Funding code
Funding Information
European Research Council (ERC), Science Foundation Ireland (SFI), Swiss National Science Foundation
Sustainable Development Goals
External Link
Type
Article
Rights
https://creativecommons.org/licenses/by-nc-sa/1.0/