Functional Application of Noble Metal Nanoparticles In Situ Synthesized on Ramie Fibers

作者：Tang Bin^*; Yao Ya; Li Jingliang; Qin Si; Zhu Haijin; Kaur Jasjeet; Chen Wu; Sun Lu; Wang Xungai

来源：Nanoscale Research Letters, 2015, 10(1): 366.

DOI：10.1186/s11671-015-1074-1

• Ramie
• Silver nanoparticle
• Gold nanoparticle
• In situ synthesis
• Coloration
• Catalysis

Different functions were imparted to ramie fibers through treatment with noble metal nanoparticles including silver and gold nanoparticles. The in situ synthesis of silver and gold nanoparticles was achieved by heating in the presence of ramie fibers in the corresponding solutions of precursors. The unique optical property of synthesized noble metal nanoparticles, i.e., localized surface plasmon resonance, endowed ramie fibers with bright colors. Color strength (K/S) of fibers increased with heating temperature. Silver nanoparticles were obtained in alkaline solution, while acidic condition was conducive to gold nanoparticles. The optical properties of treated ramie fibers were investigated using UV-vis absorption spectroscopy. Scanning electron microscopy (SEM) was employed to observe the morphologies of silver and gold nanoparticles in situ synthesized on fibers. The ramie fibers treated with noble metal nanoparticles showed remarkable catalytic activity for reduction of 4-nitrophenol (4-NP) by sodium borohydride. Moreover, the silver nanoparticle treatment showed significant antibacterial property on ramie fibers.

• 出版日期2015-9-17
• 单位武汉纺织大学; 迪肯大学