期刊
NANOSCALE
卷 3, 期 9, 页码 3841-3848出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1nr10609k
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资金
- Ministry of Education of Korea
- Korea government (MEST) [2011-0000360]
We report a method for synthesizing quasi-single crystalline porous ZnO nanostructures containing a single large cavity. The microwave-assisted route consists of a short (about 2 min) temperature ramping stage (from room temperature to 120 degrees C) and a stage in which the temperature is maintained at 120 degrees C for 2 h. The structures produced by this route were 200-480 nm in diameter. The morphological yields of this method were very high. The temperature- and time-dependent evolution of the synthesized powders and the effects of an additive, vitamin C, were studied. Spherical amorphous/polycrystalline structures (70-170 nm in diameter), which appeared transitorily, may play a key role in the formation of the single crystalline porous hollow ZnO nanostructures. Studies and characterization of the nanostructures suggested a possible mechanism for formation of the quasi-single crystalline porous ZnO nanostructures with an interior space.
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