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Gold nanofilms at liquid-liquid interfaces: an emerging platform for redox electrocatalysis, nanoplasmonic sensors, and electrovariable optics

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journal contribution
posted on 2018-11-29, 08:50 authored by Micheál D. Scanlon, Evgeny Smirnov, Talia Jane Stockmann, Pekka Peljo
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 “nanofilms”. 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.

Funding

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National Research Foundation

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History

Publication

Chemical Reviews;118 (7), pp. 3722-3751

Publisher

American Chemical Society

Note

peer-reviewed The full text of this article will not be available in ULIR until the embargo expires on the 30/1/2019

Other Funding information

ERC, SFI, Swiss National Science Foundation

Rights

© 2018 ACS This document is the Accepted Manuscript version of a Published Work that appeared in final form in Chemical Reviews, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see,http://dx.doi.org/10.1021/acs.chemrev.7b00595

Language

English

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