Colorful and Antibacterial Silk Fiber from Anisotropic Silver Nanoparticles

Colorful and Antibacterial Silk Fiber from Anisotropic Silver Nanoparticles
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各向异性银纳米粒子制成的彩色抗菌丝纤维

DOI:
10.1021/ie3033872
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发表时间:
2013-03
影响因子:
4.2
通讯作者:
Wang, Xungai
Wang, Xungai
中科院分区:
工程技术3区
文献类型:
--
作者:
Hou, Xueliang;Afrin, Tarannum;Sun, Lu;Wang, Xungai

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将各向异性银纳米粒子包覆在蚕丝纤维上,得到具有良好抗菌性能的彩色蚕丝。不同形态的银纳米粒子赋予丝纤维不同的颜色,这是由于纳米粒子的局部表面等离子体共振的变化。更有效的是,将不同的银纳米粒子以不同的比例混合,扩大了颜色的范围。与传统的丝绸染色工艺不同,这是能源密集型的,银纳米颗粒的着色过程是在室温下实现的。蚕丝纤维在着色过程中对银纳米粒子表现出较强的吸附能力。随着丝纤维表面银纳米粒子含量的变化,改性后的丝纤维呈现出不同的鲜艳颜色。值得注意的是,用银纳米粒子处理的丝纤维对大肠杆菌显示出显著的抗菌能力。同时,采用聚二甲基硅氧烷涂层处理织物,可获得良好的耐水洗色牢度。
Anisotropic silver nanoparticles were coated on silk fibers to obtain colorful silk with good antibacterial properties. Different morphologies of silver nanoparticles gave different colors to the silk fibers, because of changes in the localized surface plasmon resonance of the nanoparticles. More efficiently, mixing of different silver nanoparticles in different proportions extended the range of colors. Unlike the conventional silk dyeing process, which is energy-intensive, the coloration process with silver nanoparticles was achieved at room temperature. The silk fibers displayed strong adsorption ability for silver nanoparticles during the coloration process. The modified silk fibers exhibited different bright colors as the silver nanoparticles on the surface of the fibers varied. Significantly, the silk fibers treated with silver nanoparticles showed significant antibacterial abilities against Escherichia coli. Moreover, good color fastness to washing was achieved through coating of polydimethylsiloxan...
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