What is the role of urea in layered double hydroxides preparations?

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Paul Milham

I don't know the answer but it may be associated with the formation of urea complexes

Ryo Sasai

Urea, which is added in the hydrothermal synthesis of LDH, is hydrolyzed under hydrothermal conditions. As a result, the pH of the solution increases to about 10. As the pH rises, LDH is formed when metal hydroxides precipitate.