期刊
MATERIALS RESEARCH BULLETIN
卷 112, 期 -, 页码 1-8出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2018.11.045
关键词
Ficus benjamina; Microwave-assisted synthesis; Silver nanoparticle; Colorimetric sensor; Zinc(II) ion
资金
- Programa para el Desarrollo Profesional Docente, para el Tipo Superior of the Secretaria de Educacitin Publica of Mexico (PRODEP-SEP) [DSA/103.5/16/10510 Folio: UANL-PTC-949]
In this paper, we present a greener synthesis of silver and gold nanoparticles using an aqueous extract of Ficus benjamina leaves. The metal nanoparticles were synthesized via conventional heating and microwave-assisted methods using the aqueous extract as reducing and capping agent. It was observed that the use of a Ficus benjamina leaf aqueous extract via microwave-assisted heating represent a faster, greener and easier method than a conventional heating procedure for the synthesis of silver and gold nanospheres, also leading to narrower nanoparticle size. The sensing characteristics of the microwave-assisted silver nanoparticles were evaluated for the specific determination and semiquantification of Zn(II) ions. The colorimetric semiquantification of Zn(II) ions was achieved by UV vis spectroscopy, using an empirical model in a concentration range between 0.2 and 2.0 mM, reaching total precipitation at concentrations higher than 2.0 mM.
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