Abstract
Chemical bath deposition (CBD) is one of the well-studied deposition techniques for growth of various nano- and microstructured morphologies. In this paper we report growth of various morphologies of zinc oxide (ZnO) from a single aqueous chemical bath of tetra-ammonium zinc complex Zn(NH3)42+ prepared from reverse osmosis (RO) water at above 80°C within 1h. These morphologies are rod-arrays, a thick white sheet and flower-shaped particles formed at different locations of bath. X-ray diffraction study shows that these morphologies are out-of-plane textured along c-axis. Scanning electron microscopy reveals that the films deposited on the bare glass substrate and wall of the bath consist of hexagonal rod-arrays of diameter ~500–800nm. ZnO flowers deposited at the bottom of the bath possess tapered acicular spines of diameter 3–5μm.
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