Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 113, Issue 24, Pages 10441-10445Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp9014756
Keywords
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Funding
- NSFC [20725102]
- Foundation for the Author of National Excellent Doctoral Dissertation of the People's Republic of China
- Chinese Ministry of Education
- Fok Ying Tung Education Foundation [111012]
- State Key Project of Fundamental Research for Nanoscience and Nanotechnology [2006CB932301]
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A general one-step route has been developed for the selective synthesis of magnesium silicate hollow spheres, core-shell spheres, and nanotubes. The formation mechanism was studied. The concentration of NaOH played an important role in the synthesis of hollow and core-shell spheres, while the addition of glycol played a critical role in the synthesis of silicate nanotubes. These nanostructures usually have BET surface areas of 200-400 m(2)/g. Further investigation of their ion exchange performance shows that they are indeed perfect candidates as absorbents for heavy metal ions including Pb2+, Cr3+, Cd2+, etc.
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