Synthesis of Coral-Like ZnO Nanostructures with High and Wide Absorption Range
Journal: Asian Journal of Green Chemistry (Vol.7, No. 2)Publication Date: 2023-05-13
Authors : Ashraf Heidaripour; Fateme Salmani; Tina Barati;
Page : 140-148
Keywords : Coral like ZnO Nanorods Seed layer UV; Vis absorption;
Abstract
The proposed idea in this article is initially to select the best seed layer in terms of spectral properties, and then to place the next nanostructured layers of ZnO on it. If the UV-Visible spectrum of the seed layer is suitable and desirable, the ZnO nanorod layer formed on it will have a better spectral quality. The result of this article shows that the formation of ZnO layer by layer and the selection of the best layer which is obtained by the change in the precursors’ concentration lead to a ZnO thin layer with high absorption range from in infrared to ultraviolet range. In this way, ZnO nanostructures are selected step by step based on UV-Visible spectroscopic properties which were based on the difference in the concentration of precursors and absorption value, and threshold. The study of FESEM image of ZnO thin layer indicates the formation of diagonal nanorods, which have a coral-like appearance with high ratio of length to diameter. XRD studies confirm the growth of diagonal nanorods when concentration of precursors increases. These properties have a good match with high and wide absorption in coral-like ZnO nanostructures.
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Last modified: 2023-05-14 04:01:38