期刊
ACS APPLIED MATERIALS & INTERFACES
卷 4, 期 10, 页码 5698-5703出版社
AMER CHEMICAL SOC
DOI: 10.1021/am3016944
关键词
hydrothermal synthesis; goethite; phase transformation; hematite; sensor; self-assembly
资金
- National Basic Research Program of China [2009CB930400]
- National Natural Science Foundation of China [NSFC21121063]
- Chinese Academy of Sciences
X-shaped goethite iron oxide crystals were synthesized by a surfactant-free mild hydrothermal synthesis method with the aid of fluorine ions. The X-shaped goethite crystals could readily self-assemble into microscopic hollow spheres through an oil water interface induced self-assembly method. X-shaped hematite crystals were obtained by phase topotactic transformation of the goethite precursors. The gas sensor properties of X-shaped hematite iron oxide were investigated, and the mechanism for excellent sensor properties was discussed.
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