期刊
MATERIALS LETTERS
卷 215, 期 -, 页码 203-206出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.12.107
关键词
Iron oxide; Polyol synthesis; Polyvinylpyrrolidone; Particle size; Dynamic light scattering
资金
- National Science Foundation [1334160]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1334160] Funding Source: National Science Foundation
The effects of polyvinylpyrrolidone (PVP) on the formation of iron oxide nanoparticles during polyol synthesis are described. The addition of PVP during synthesis changes the particle morphology from compact to porous with chains of small iron oxide nanocrystals at the surface of the particles due to the steric repulsion of PVP ligands. The addition of PVP also reduces average particle size from 857 nm to 225 nm by preventing agglomeration. In addition, the presence of PVP restricts crystal growth of iron oxide and limits oxidation. The high-surface areas achieved for the powders can be useful for catalytic applications. (C) 2017 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据