期刊
JOURNAL OF MATERIALS CHEMISTRY B
卷 1, 期 2, 页码 213-220出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2tb00017b
关键词
-
资金
- National Natural Science Foundation of China [21034003]
A green, simple and economical route based on an efficient Bombyx mori silk fibroin assisted hydrothermal process has been developed to synthesize monodisperse hematite (alpha-Fe2O3) nanostructures with fine shape control. The effects of reaction time and silk fibroin concentration on the morphology of alpha-Fe2O3 have been investigated systematically. Several morphologies including quasi-nanocubes, nanospheres that are composed of primary nanoparticles, and the coexistence of nanospheres and primary nanoparticles were obtained by varying the silk fibroin concentration. The formation mechanism of different alpha-Fe2O3 morphologies are discussed based on the silk fibroin template effect. In addition, these alpha-Fe2O3 nanostructures exhibit interesting shape-dependent magnetic properties. We believe that such a synthesis method of alpha-Fe2O3 provides an efficient shape control and cost-effective approach that is potentially competitive for scaling-up industrial production.
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