期刊
MICRON
卷 56, 期 -, 页码 54-62出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.micron.2013.10.006
关键词
Silver nanoparticles; Trigonella foenum-graecum; Catalysis; Methylene blue; Methyl orange; Eosin Y
类别
资金
- KSCSTE, Thiruvananthapuram
The green synthesis of metallic nanoparticles paved the way to improve and protect the environment by decreasing the use of toxic chemicals and eliminating biological risks in biomedical applications. Plant mediated synthesis of metal nanoparticles is gaining more importance owing to its simplicity, rapid rate of synthesis of nanoparticles and eco-friendliness. The present article reports an environmentally benign and unexploited method for the synthesis of silver nanocatalysts using Trigonella foenum-graecum seeds, which is a potential source of phytochemicals. The UV-visible absorption spectra of the silver samples exhibited distinct band centered around 400-440 nm. The major phytochemicals present in the seed extract responsible for the formation of silver nanocatalysts are identified using FTIR spectroscopy. The report emphasizes the effect of the size of silver nanoparticles on the degradation rate of hazardous dyes, methyl orange, methylene blue and eosin Y by NaBH4. The efficiency of silver nanoparticles as a promising candidate for the catalysis of organic dyes by NaBH4 through the electron transfer process is established in the present study. (C) 2013 Elsevier Ltd. All rights reserved.
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