The Green synthesis of gold nanoparticles using an aqueous root extract of Morinda citrifolia L

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• 作者：T.Y. Suman ; S.R. Radhika Rajasree ; R. Ramkumar ; C. Rajthilak ; P. Perumal
• 关键词：Gold nanoparticles ; Morinda citrifolia ; X-ray technique ; Electron microscopy
• 刊名：Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
• 出版年：24 January, 2014
• 年：2014
• 卷：118
• 期：Complete
• 页码：11-16
• 全文大小：1069 K

文摘

In the present work, we describe the synthesis of gold nanoparticles using an aqueous root extract of Morinda citrifolia. UV-vis spectroscopy, XRD, FTIR, FE-SEM, EDX and TEM were performed to characterize the formation of gold nanoparticles. The synthesized gold nanoparticles were characterized by a peak at 540 nm in the UV-vis spectrum. The XRD peaks at 38掳, 44掳, 64掳 and 77掳 can be indexed to the (1 1 1), (2 0 0), (2 2 0) and (3 1 1) Bragg鈥檚 reflections of cubic structure of metallic gold, respectively. The FTIR result showed that extract containing protein might be responsible for the formation of the nanoparticles and may play an important role in the stabilization of the formed nanoparticles. FESEM images revealed that the particles were triangle and mostly spherical in shape. TEM images clearly revealed the size of the nanoparticles were 12.17-38.26 nm in size.