'Green' synthesis of metals and their oxide nanoparticles: Applications for environmental remediation

被引：1537
作者：
Singh J. [1 ]
Dutta T. [2 ]
Kim K.-H. [3 ]
Rawat M. [1 ]
Samddar P. [3 ]
Kumar P. [4 ]
机构：
[1] Department of Nanotechnology, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab
[2] Department of Chemical, Biological and Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Sector III, Salt Lake, Kolkata
[3] Department of Civil and Environmental Engineering, Hanyang University, Seoul
[4] Department of Nano Science and Materials, Central University of Jammu, Jammu, J and K
来源：
Journal of Nanobiotechnology | 2018年 / 16卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Green synthesis; Metal oxide nanoparticles; Metals; Natural extracts;
D O I：
10.1186/s12951-018-0408-4
中图分类号：
学科分类号：
摘要：
In materials science, "green" synthesis has gained extensive attention as a reliable, sustainable, and eco-friendly protocol for synthesizing a wide range of materials/nanomaterials including metal/metal oxides nanomaterials, hybrid materials, and bioinspired materials. As such, green synthesis is regarded as an important tool to reduce the destructive effects associated with the traditional methods of synthesis for nanoparticles commonly utilized in laboratory and industry. In this review, we summarized the fundamental processes and mechanisms of "green" synthesis approaches, especially for metal and metal oxide [e.g., gold (Au), silver (Ag), copper oxide (CuO), and zinc oxide (ZnO)] nanoparticles using natural extracts. Importantly, we explored the role of biological components, essential phytochemicals (e.g., flavonoids, alkaloids, terpenoids, amides, and aldehydes) as reducing agents and solvent systems. The stability/toxicity of nanoparticles and the associated surface engineering techniques for achieving biocompatibility are also discussed. Finally, we covered applications of such synthesized products to environmental remediation in terms of antimicrobial activity, catalytic activity, removal of pollutants dyes, and heavy metal ion sensing. © 2018 The Author(s).
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