Ranjbar, Maryam and Mat Yunus, Wan Mahmood and Hussein, Mohd. Zobir and A. Moksin, Mohd Maarof and Haydari, Mehdi (2007) Thermal Diffusivity Measurement of Zinc‐Aluminum‐Layered Double Hydroxide using Photoflash Technique. AIP Conference Proceedings, 1017 . pp. 417-721. ISSN 0094-243X (print) , 0094-243X (online)
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The photoflash technique has been widely used for measuring thermal diffusivity of various types of materials. In this report thermal diffusivity of Zn‐Al layered double hydroxide synthesized at different ratios of Zn to Al composition is presented. The samples were prepared using Zn(NO3)2 and Al(NO3)3 solutions at pH of 10 by drop wise addition of NaOH solution with vigorous stirring under nitrogen atmosphere. Different compositions of Zn to Al molar ratios were obtained by changing the molar ratio of Zn(NO3)2 to Al(NO3)3. The slurry formed was kept at 70 °C in an oil bath shaker for 18 h, filtered, washed and dried in an oven for 18 h at 70 °C. A simple photo flash and polyvinlidene diflouride (PVDF) film was used as light source and thermal wave detector, respectively. Thermal diffusivity of Zn‐Al layered double hydroxide measure at room temperature was found increase with different compositions for Zn‐Al ratio of 3–5.
|Keyword:||Thermal diffusivity; photoflash; Double Hydroxide.|
|Faculty or Institute:||Faculty of Science|
|Publisher:||AIP American Institute of Physics|
|Deposited By:||Najwani Amir Sariffudin|
|Deposited On:||15 May 2012 01:18|
|Last Modified:||15 May 2012 01:18|
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