Can Cu(II) ions be doped into the crystal structure of potassium hydrogen tartrate?
Abstract
The differing binding preferences of the hydrogen tartrate ligand (HC4H4O6)- namely μ7-octadentate mode for potassium ion and bidentate mode for cupric ion rules out the doping (incorporation) of any Cu(II) ion into the crystal structure of potassium hydrogen tartrate. Hence, the claim of growth of copper doped potassium hydrogen tartrate viz. K0.96Cu0.04C4H5O6 by Mathivanan and Haris, Indian J Pure App Phys 51 (2013) 851-859 is untenable.
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