Issue 2, 2013
From the journal:

Nanoscale

Coating fabrics with gold nanorods for colouring, UV-protection, and antibacterial functions

Yidan Zheng,a   Manda Xiao,b   Shouxiang Jiang,*a   Feng Ding*a  and  Jianfang Wang*b  

* Corresponding authors

a Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hunghom, Kowloon, Hong Kong SAR, China
E-mail: tckinor@inet.polyu.edu.hk, tcfding@inet.polyu.edu.hk

b Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
E-mail: jfwang@phy.cuhk.edu.hk

Abstract

Gold nanorods exhibit rich colours owing to the nearly linear dependence of the longitudinal plasmon resonance wavelength on the length-to-diameter aspect ratio. This property of Au nanorods has been utilized in this work for dyeing fabrics. Au nanorods of different aspect ratios were deposited on both cotton and silk fabrics by immersing them in Au nanorod solutions. The coating of Au nanorods makes the fabrics exhibit a broad range of colours varying from brownish red through green to purplish red, which are essentially determined by the longitudinal plasmon wavelength of the deposited Au nanorods. The colorimetric values of the coated fabrics were carefully measured for examining the colouring effects. The nanorod-coated cotton fabrics were found to be commercially acceptable in washing fastness to laundering tests and colour fastness to dry cleaning tests. Moreover, the nanorod-coated cotton and silk fabrics show significant improvements on both UV-protection and antibacterial functions. Our study therefore points out a promising approach for the use of noble metal nanocrystals as dyeing materials for textile applications on the basis of their inherent localized plasmon resonance properties.

Graphical abstract: Coating fabrics with gold nanorods for colouring, UV-protection, and antibacterial functions

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Article information

DOI
https://doi.org/10.1039/C2NR33064D
Article type
Paper
Submitted
07 Oct 2012
Accepted
21 Nov 2012
First published
26 Nov 2012

Nanoscale, 2013,5, 788-795

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Coating fabrics with gold nanorods for colouring, UV-protection, and antibacterial functions

Y. Zheng, M. Xiao, S. Jiang, F. Ding and J. Wang, Nanoscale, 2013, 5, 788 DOI: 10.1039/C2NR33064D

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