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The effect of zinc to aluminium ratio on the properties of zinc-aluminium layered double hydroxide pamoate nanocomposite


Citation

Hussein, Mohd Zobir and Yahaya, Asmah and Zainal, Zulkarnain and Jubri, Zaemah (2005) The effect of zinc to aluminium ratio on the properties of zinc-aluminium layered double hydroxide pamoate nanocomposite. In: International Advanced Technology Congress: Conference on Advanced Materials (CAM 2005), 6 - 8 Dec. 2005, Putrajaya, Malaysia. (pp. 529-538).

Abstract / Synopsis

Layered organic-inorganic hybrid materials of Zn-Al-layered double hydroxide(LDH)-pamoate nanocomposite (ZAPR) was prepared by intercalating pamoate anion (PA) as an organic guest into the Zn-Al layered double hydroxide inorganic host by spontaneous self-assembly method. Various Zn/Al ratios (R = 2, 3, 4, 5, 6, 7 and 8) were used in the preparation of the materials with concentration of PA= 0.02 M and pH 7. The effect of various Zn/Al ratios on the properties of layered organicinorganic hybrid nanocomposite materials resulted in the enhancement of the interlayer spacing of the nanocomposites in the range of 17.8 to 18.9 Å, compared to 8.9 Å for the Zn-Al LDH with nitrate as the counter ion. This indicates that the pamoate ion was successfully intercalated into the interlayer spacing of Zn-Al layered double hydroxide. The carbon content obtained from CHNS analysis was found to be increased from 22.9 to 24.5 and 26.4 % as the Zn/Al ratio was increased from 2 to 3 and 5, respectively. The Zn/Al ratio in the final product, (Rf) is lower than the initial Zn/Al ratio (Ri) used in the mother liquor. The BET surface area increased from 90.1 to 112.0, 137.2 and 146.6 m2/g as the Zn/Al ratio increased from 4 to 5, 6 and 8, respectively.


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Additional Metadata

Item Type: Conference or Workshop Item (Poster)
Divisions: Institute of Advanced Technology
Faculty of Science
Publisher: Universiti Putra Malaysia Press
Keywords: Zinc; Aluminium; Layered double hydroxide; Pamoate nanocomposite
Depositing User: Erni Suraya Abdul Aziz
Date Deposited: 07 May 2015 14:58
Last Modified: 07 May 2015 14:58
URI: http://psasir.upm.edu.my/id/eprint/34004
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