期刊
SOLID STATE SCIENCES
卷 79, 期 -, 页码 30-37出版社
ELSEVIER
DOI: 10.1016/j.solidstatesciences.2018.03.005
关键词
SnS NPs; Ultra-sonication method; In-doped; Electrical and dielectric properties; Photocatalytic performance
资金
- Islamic Azad University, Ahvaz Branch
- Islamic Azad University, Masjed-Soleiman Branch
Indium (In)-doped Tin (II) Sulfide (SnS) nanoparticles (NPs) were synthesized by an ultra-sonication method and their optical, electrical, dielectric and photocatalytic properties were investigated. XRD patterns of the obtained NPs indicated formation of orthorhombic polycrystalline SnS. Field emission scanning electron microscopy exhibited flower-like NPs with particle sizes below 100 nm for both SnS and In-doped SnS samples. Optical analysis showed a decrease in energy band gap of SnS NPs upon In doping. In addition, electrical results demonstrated p-type nature of the synthesized SnS NPs and enhanced electrical conductivity of the NPs due to increased tin vacancy. Dielectric experiments on SnS NPs suggested an electronic polarizations effect to be responsible for changing dielectric properties of the particles, in terms of frequency. Finally, photocatalytic experiments revealed that high degradation power can be obtained using In-doped SnS NPs. (C) 2018 Elsevier Masson SAS. All rights reserved.
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