Adhesive Gold Nanoparticles for Easy and Controlled Surface Coating

Tianchi Liu, Fan Yang, Xing Wang, Jun Feng Liang

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)2728-2737
Number of pages10
JournalLangmuir
Volume35
Issue number7
DOIs
StatePublished - 19 Feb 2019

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