Citation: Ze Jiang ZHANG, Xiu Juan MEI, Liang Rong FEN, Shao Jie LU, Fa Li QIU. Preparation of PO₄^3-,P₂O₇^4- Anion-Pillared Nanocrystalline Mg-Al and Zn-Al Layered Double Hydroxides in Microwave Fields[J]. Chinese Chemical Letters, ;2004, 15(7): 867-870. shu

Preparation of PO₄^3-,P₂O₇^4- Anion-Pillared Nanocrystalline Mg-Al and Zn-Al Layered Double Hydroxides in Microwave Fields

1.
Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041;
2.
Sichuan Fire Research Institute of Public Safety Ministry, Chengdu 611830

Received Date: 16 July 2003

Fund Project: We are grateful to the National Key Basic Research Special Funds of China (No.2001CB409607) for financial support.

Using nanocrystalline[Mg-Al-CO₃] and[Zn-Al-CO₃] as precursors,[Mg-Al-PO₄],[Zn-Al-PO₄],[Mg-Al-P₂O₇] and[Zn-Al-P₂O₇] have been successfully synthesized by a direct reaction with the free PO₄^3- or P₂O₇^4- using the microwave techniques and the anion-exchange method. And the samples thus obtained were characterized by TEM, FT-IR and XRD. The results show that the initial interlayer carbonate ions can be completely replaced by the free PO₄^3- or P₂O₇^4- under controlled microwave conditions employed for a short time.
- Nanocrystalline,
- the anion-exchange method,
- microwave,
- layered double hydroxides
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