Adhesive Gold Nanoparticles for Easy and Controlled Surface Coating

Adhesive Gold Nanoparticles for Easy and Controlled Surface Coating

Gold nanoparticles (Au NPs) are one of the most important nanomaterials due to their unique properties and broad applications. Among these applications, decorating Au NPs on universal surfaces is highly desired. Herein, we report adhesive Au NPs functionalized by borated dopamine dithiocarbamate. Su...

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Veröffentlicht in:Langmuir 2019-02, Vol.35 (7), p.2728-2737
Hauptverfasser: Liu, Tianchi, Yang, Fan, Wang, Xing, Liang, Jun Feng
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Sprache:eng
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catechol
coatings
dopamine
nanogold
physical properties
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Yang, Fan
Wang, Xing
Liang, Jun Feng
description Gold nanoparticles (Au NPs) are one of the most important nanomaterials due to their unique properties and broad applications. Among these applications, decorating Au NPs on universal surfaces is highly desired. Herein, we report adhesive Au NPs functionalized by borated dopamine dithiocarbamate. Such Au NPs are nonreactive in colloidal solution but can be activated at an acidic pH to produce adhesive Au NPs and initiate spontaneous surface coating through deprotected catechol-mediated reactions. Easy and controllable surface coating was achieved on materials with distinguished chemical and physical properties because of the high reactivity of catechol. Adhesive Au NPs represent new surface coating method with wide application potentials.
doi_str_mv 10.1021/acs.langmuir.8b04110
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subjects catechol
coatings
dopamine
nanogold
physical properties
title Adhesive Gold Nanoparticles for Easy and Controlled Surface Coating
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