Abstract
Thin needles of ZnO have been grown at 480 °C, employing hydrous KOH melt as a solvent. Unlike other molten salt solvent 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 (ZnO22−) with a linear structure.

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