Biocompatible Gold Nanoparticle Arrays Photodeposited on Periodically Proton Exchanged Lithium Niobate

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Title: Biocompatible Gold Nanoparticle Arrays Photodeposited on Periodically Proton Exchanged Lithium Niobate
Authors: Carville, N. Craig
Neumayer, Sabine M.
Manzo, Michele
Gallo, Katia
Rodriguez, Brian J.
Permanent link: http://hdl.handle.net/10197/7797
Date: 7-Jul-2016
Abstract: Photodeposition of silver nanoparticles onto chemically patterned lithium niobate having alternating lithium niobate and proton exchanged regions has been previously investigated. Here, the spatially defined photodeposition of gold nanoparticles onto periodically proton exchanged lithium niobate is demonstrated. It is shown that the location where the gold nanoparticles form can be tailored by altering the concentration of HAuCl4. This enables the possibility to sequentially deposit gold and silver in different locations to create bimetallic arrays. The cytocompatibility of photodeposited gold, silver, and bimetallic ferroelectric templates to osteoblast-like cells is also investigated. Gold samples provide significantly greater cell biocompatibility than silver samples. These results highlight a potential route for using photodeposited gold on lithium niobate as a template for applications in cellular biosensing.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: ACS
Copyright (published version): 2016 American Chemical Society
Keywords: Ferroelectric;Atomic force microscopy;Photochemistry;Metallic nanoparticles;Metallic nanostructures;Biocompatibility;Patterning
DOI: 10.1021/acsbiomaterials.6b00264
Language: en
Status of Item: Peer reviewed
Appears in Collections:Conway Institute Research Collection
Physics Research Collection

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