I tried to prepare MgZn-LDH coating on Cu substrate hydrothermally with base NaOH and Na2CO3. In my powder XRD spctrum the characteristics peaks 2thetta around 11and 23 degree did not come. How will i expalin?
Can i found video tutorials to synthesis of layered double hydroxides By different method?
The indexing on the PXRD looks a little odd - what structure do the 211 & 101 reflections correspond to? Clearly the Cu peaks are retained through all of your samples & in the hybrids are in fact the dominant features. This would imply that the amount of non-Cu material present is relatively very little. If you are looking for peaks at 11 & 23 degrees from your MgZn coating, then I would imagine that you need to zoom right. From what I can see from this figure, even with a high zoom, there is very little there. Conclusion therefore is either that the amount of MgZn material present is too little to get a significant signal, your coating is not crystalline, or it is simply not present.
I guess the attached article will help you:
Shao, Mingfei, Min Wei, David G. Evans, and Xue Duan. "Layered double hydroxide materials in photocatalysis." In Photofunctional Layered Materials, pp. 105-136. Springer, Cham, 2015.
Liu, Jinping, Yuanyuan Li, Xintang Huang, Guangyun Li, and Zikun Li. "Layered double hydroxide Nano‐and microstructures grown directly on metal substrates and their calcined products for application as Li‐ion battery electrodes." Advanced Functional Materials 18, no. 9 (2008): 1448-1458.
I agree with what John A Stride said. You can apply in a long application mode with at least tripat for a long time.
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