Home
Resources
Publications
Dynamic Color-Switching of Plasmonic Nanoparticle Films

Dynamic Color-Switching of Plasmonic Nanoparticle Films

Luntao Liu, Rashed Aleisa, Yun Zhang, Ji Feng, Yiqun Zheng, Yadong Yin, Wenshou Wang

Angew Chem Int Ed Engl. 2019 Nov 4;58(45):16307-16313.

PMID: 31498926

Abstract:

The fast and reversible switching of plasmonic color holds great promise for many applications, while its realization has been mainly limited to solution phases, achieving solid-state plasmonic color-switching has remained a significant challenge owing to the lack of strategies in dynamically controlling the nanoparticle separation and their plasmonic coupling. Herein, we report a novel strategy to fabricate plasmonic color-switchable silver nanoparticle (AgNP) films. Using poly(acrylic acid) (PAA) as the capping ligand and sodium borate as the salt, the borate hydrolyzes rapidly in response to moisture and produces OH- ions, which subsequently deprotonate the PAA on AgNPs, change the surface charge, and enable reversible tuning of the plasmonic coupling among adjacent AgNPs to exhibit plasmonic color-switching. Such plasmonic films can be printed as high-resolution invisible patterns, which can be readily revealed with high contrast by exposure to trace amounts of water vapor.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS7931396	Trihexadecyl borate			Price

As a specialist in analytical chemical Products, Alfa Chemistry offers consumers a wealth of raw materials and a full range of technologies and services.

QUICK LINKS

HEADQUARTERS

Tel:

Fax:

Email: