Sunlight-Induced Coloration of Silk.
Silk fabrics were colored by gold nanoparticles (NPs) that were in situ synthesized through the induction of sunlight. Owing to the localized surface plasmon resonance (LSPR) of gold NPs, the treated silk fabrics presented vivid colors. The photo-induced synthesis of gold NPs was also realized on wet silk through adsorbing gold ions out of solution, which provides a water-saving coloration method for textiles. Besides, the patterning of silk was feasible using this simple sunlight-induced coloration approach. The key factors of coloration including gold ion concentration, pH value, and irradiation time were investigated. Moreover, it was demonstrated that either ultraviolet (UV) light or visible light could induce the generation of gold NPs on silk fabrics. The silk fabrics with gold NPs exhibited high light resistance including great UV-blocking property and excellent fastness to sunlight.
National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, Wuhan Textile University, Wuhan, 430073, China.|Institute for Frontier Materials, Deakin University, Geelong, Victoria, 3216, Australia.
Ya
Y
Yao
National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, Wuhan Textile University, Wuhan, 430073, China. bin.tang@deakin.edu.au.|Institute for Frontier Materials, Deakin University, Geelong, Victoria, 3216, Australia. bin.tang@deakin.edu.au.
Bin
B
Tang
National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, Wuhan Textile University, Wuhan, 430073, China.
Wu
W
Chen
National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, Wuhan Textile University, Wuhan, 430073, China.|Institute for Frontier Materials, Deakin University, Geelong, Victoria, 3216, Australia.
Lu
L
Sun
National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, Wuhan Textile University, Wuhan, 430073, China. xungai.wang@deakin.edu.au.|Institute for Frontier Materials, Deakin University, Geelong, Victoria, 3216, Australia. xungai.wang@deakin.edu.au.
Xungai
X
Wang
Coloration; Gold nanoparticles; Light resistance; Photo-induction; Silk fabric