Abstract
Thin needles of ZnO have been grown at 480 °C, employing hydrous KOH melt as a solvent. Unlike other molten saltsolvent methods, in the present case supersaturation is promoted by the decomposition of zincate ions. Laser Raman spectroscopic investigation made on molten hydrous KOH–ZnO system by employing a single—crystalline KCl cell has confirmed the presence of the zincate ion ( ZnO 2 2− ) with a linear structure.

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