Highly Tunable Growth and Etching of Silica Shells on Surfactant-Free Gold Nanostars

Supriya Atta; Sylvie Rangan; Laura Fabris

doi:10.1002/cnma.201900459

Highly Tunable Growth and Etching of Silica Shells on Surfactant-Free Gold Nanostars

Supriya Atta, Sylvie Rangan, Laura Fabris

Rutgers University

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Herein, we report an efficient method to coat gold nanostars with a silica shell of variable thickness and then tunably etch it by using a mild silica etching reagent, NaBH₄. This method generates a novel type of nanostar coating in which silica only covers the core, leaving the tips variably exposed.

Original language	English
Pages (from-to)	53-57
Number of pages	5
Journal	ChemNanoMat
Volume	6
Issue number	1
DOIs	https://doi.org/10.1002/cnma.201900459
Publication status	Published - Jan 1 2020

Keywords

NaBH
gold nanostars
silica etched

ASJC Scopus subject areas

Biomaterials
Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Materials Chemistry

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title = "Highly Tunable Growth and Etching of Silica Shells on Surfactant-Free Gold Nanostars",

abstract = "Herein, we report an efficient method to coat gold nanostars with a silica shell of variable thickness and then tunably etch it by using a mild silica etching reagent, NaBH4. This method generates a novel type of nanostar coating in which silica only covers the core, leaving the tips variably exposed.",

keywords = "NaBH, gold nanostars, silica etched",

author = "Supriya Atta and Sylvie Rangan and Laura Fabris",

note = "Funding Information: This work was funded through National Science Foundation grant CHE-1415881. Publisher Copyright: {\textcopyright} 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",

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AU - Rangan, Sylvie

AU - Fabris, Laura

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N2 - Herein, we report an efficient method to coat gold nanostars with a silica shell of variable thickness and then tunably etch it by using a mild silica etching reagent, NaBH4. This method generates a novel type of nanostar coating in which silica only covers the core, leaving the tips variably exposed.

AB - Herein, we report an efficient method to coat gold nanostars with a silica shell of variable thickness and then tunably etch it by using a mild silica etching reagent, NaBH4. This method generates a novel type of nanostar coating in which silica only covers the core, leaving the tips variably exposed.

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KW - silica etched

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Highly Tunable Growth and Etching of Silica Shells on Surfactant-Free Gold Nanostars

Abstract

Keywords

ASJC Scopus subject areas

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