Malva parviflora extract assisted green synthesis of silver nanoparticles

被引：141
作者：
Zayed, Mervat F. [2 ]
Eisa, Wael H. [1 ]
Shabaka, A. A. [1 ]
机构：
[1] Natl Res Ctr, Dept Spect, Div Phys, Cairo, Egypt
[2] Menoufia Univ, Dept Chem, Fac Sci, Menoufia, Egypt
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2012年 / 98卷
关键词：
Green synthesis; Silver nanoparticles; Malva parviflora; UV-vis spectroscopy; Transmission electron microscopy (TEM); BIOLOGICAL SYNTHESIS; METAL NANOPARTICLES; RAPID SYNTHESIS; BIOSYNTHESIS; IRON; NANOWIRES; MECHANISM; GROWTH; AU; AG;
D O I：
10.1016/j.saa.2012.08.072
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Five plant leaf extracts (Malva parviflora, Beta vulgaris subsp. Vulgaris, Anethum graveolens, Allium kurrat and Capsicum frutescens) were screened for their bioreduction behavior for synthesis of silver nanoparticles. M. parviflora (Malvaceae) was found to exhibit the best reducing and protecting action in terms of synthesis rate and monodispersity of the prepared silver nanoparticles. Our measurements indicate that biosynthesis of Ag nanoparticles by M. parviflora produces Ag nanoparticles with the diameters in the range of 19-25 nm. XRD studies reveal a high degree of crystallinity and monophasic Ag nanoparticles of face-centered cubic structure. FTIR analysis proved that particles are reduced and stabilized in solution by the capping agent that is likely to be proteins secreted by the biomass. The present process is an excellent candidate for the synthesis of silver nanoparticles that is simple, easy to perform, pollutant free and inexpensive. (C) 2012 Elsevier B.V. All rights reserved.
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收藏
页码：423 / 428
页数：6
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