Microwave assisted biosynthesis of rice shaped ZnO nanoparticles using Amorphophallus konjac tuber extract and its application in dye sensitized solar cells
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Results of study of biosynthesized ZnO nanoparticles: (a) XRD pattern; (b) FESEM image; (c) EDAX and (d) TEM image.(a) SAED pattern and (b) HRTEM image of biosynthesized ZnO nanoparticles.(a) UV-Vis spectra and (b) Tauc’s plot of biosynthesized ZnO nanoparticles.Absorbance spectra of (a) flower extracts of Callistemon citrinus and ZnO sensitized by flower extracts of Callistemon citrinus (b) leaf extracts of Euphorbia pulcherrima and ZnO sensitized by leaf extracts of Euphorbia pulcherrima (c) fruit extracts of Terminalia catappa and ZnO sensitized by flower extracts of Terminalia catappa.Chemical structure of (a) cyanidin-3,5-diglucoside (b) germanicol (c) β-carotene.J-V characteristics of biosynthesized ZnO based solar cells sensitized by natural dyes extracted from (a) flowers of Callistemon citrinus, (b) fruits of Terminalia catappa, and (c) leaves of Euphorbia pulcherrima.
Solar cell parameters of fabricated ZnO based solar cells.