Journal
MATERIALS LETTERS
Volume 169, Issue -, Pages 153-156Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2016.01.073
Keywords
Fe2SiS4; Nanoparticles; Nanocrystalline; Heterogeneous Fenton; Crystal structure
Funding
- National Natural Science Foundation of China [U1261120, 51002027]
- Post doctoral foundation of China [2013M530930]
- Scientific Foundation of Educational Department of Liaoning Province [L2012084]
- Ministry of Education of Basic Scientific Research [N130402001]
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The heterogeneous Fenton system has become the hotspot in the decontamination field due to the effective Fenton activity with a wide pH range compared with the homogeneous Fenton system. The unstable chemical properties of pyrite leaded to the flourishing investigation of the candidates for the heterogeneous Fenton catalysts. In this article, Fe2SiS4 nanoparticles with better thermodynamic stability were prepared, and its potential as Fenton reagent was investigated. It was found that the polar surface consisted by the unsaturated iron atoms in the Fe2SiS4 crystalline configuration resulting in the realization of Fenton reaction. Meanwhile, sunlight irradiation could promote the reduction of ferric ions and further enhance the Fenton effect. (C) 2016 Elsevier B.V. All rights reserved.
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