Structural characterization of 3d metal adsorbed AgNPs

被引：9

作者：

Schiesaro, Irene ^{[1
]}

Battocchio, Chiara ^{[1
]}

Venditti, Iole ^{[1
]}

Prosposito, Paolo ^{[2
,3
]}

Burratti, Luca ^{[2
,3
]}

Centomo, Paolo ^{[4
]}

Meneghini, Carlo ^{[1
]}

机构：

[1] Roma Tre Univ Rome, Dept Sci, Via Vasca Navale 84, I-00146 Rome, Italy

[2] Univ Roma Tor Vergata, Dept Ind Engn, Via Politecn 1, I-00133 Rome, Italy

[3] Univ Roma Tor Vergata, INSTM, Via Politecn 1, I-00133 Rome, Italy

[4] Univ Padua, Dept Chem Sci, Via Marzolo 1, I-35131 Padua, Italy

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2020年 / 123卷

关键词：

Silver nanoparticles; XAFS; Coordination chemistry; Co oxyhydroxides; Ni hydroxides; SILVER NANOPARTICLES; RAY; SPECTROSCOPY;

D O I：

10.1016/j.physe.2020.114162

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Silver nanoparticles AgNPs having small (6-8 nm) diameter, were synthesized in water in solutions and left interacting with diluted 3d metals (Co2+ or Ni2+ ions) solution (1-5 ppm range). The interactions between AgNPs and the metallic ions modify the optical response of the nanoparticles demonstrating their ability to capture metallic ions from water and making them valuable as metal contamination sensor. Here the coordination chemistry of Co and Ni adsorbed onto AgNPs is probed combining X-ray absorption spectroscopy (XAS) and X-ray photoelectron spectroscopy (XPS).

引用

页数：7

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