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• W3114453685 endingPage "530" @default.
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• W3114453685 abstract "• New hybrid photoanode made up of co-precipitate of TiO 2 /ZnO was synthesized. • The TiO 2 /ZnO co-precipitates are nanocrystalline and nanoporous structured. • The TiO 2 /ZnO co-precipitates exhibit meritorious properties of both TiO 2 and ZnO. • The ZnO proportions vary the bandgap energy of TiO 2 /ZnO co-precipitates. • DSSC was fabricated using TiO 2 /ZnO and sensitizer from Phyllanthus reticulatas. We report synthesis and characterization of hybrid photoanode made up of Titanium Dioxide (TiO 2 ) and Zinc Oxide (ZnO) nanoparticles prepared by a co-precipitation process. Though TiO 2 is the most preferred anode for Dye Sensitized Solar Cell (DSSC), the charge recombination between electrode and electrolyte poses a major challenge. ZnO photoelectrode is a potential alternative due to higher carrier mobility but has a slower electron injection than TiO 2 . To maximize the benefits of both, a co-precipitation synthesis of TiO 2 /ZnO is proposed in this work as a promising alternative. The co-precipitation process produces metal oxides TiO 2 and ZnO and eventually yields the Anatase TiO 2 and Wurtzite ZnO. The experimental investigations of the new co-precipitation process show improved control of particle size, shape, and uniform distribution of ZnO and yet preserve the economy and simplicity of synthesis. The study shows an average crystallite size of 10 nm to 22 nm for TiO 2 and 17 nm to 35 nm for ZnO. Wurtzite phase varies from 4.5% to 10.8% in a co-precipitated photoanode. The deconvolution of the typical Photoluminescence (PL) curve shows two distinct bands for ZnO and TiO 2 cantered around 390 nm and 460 nm. The study shows that the co-precipitated TiO 2 /ZnO has a bandgap of less than 3.2 eV, this paves the way for reduced recombination and improved device performance. Further, we fabricated a prototype of a DSSC using photoanode of TiO 2 /ZnO and a sensitizer of natural plant pigment extracted from Phyllanthus reticulatas and successfully tested the prototype DSSC." @default.
• W3114453685 created "2021-01-05" @default.
• W3114453685 creator A5015102987 @default.
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• W3114453685 date "2021-01-01" @default.
• W3114453685 modified "2023-10-17" @default.
• W3114453685 title "Hybrid photoanode of TiO2-ZnO synthesized by co-precipitation route for dye-sensitized solar cell using phyllanthus reticulatas pigment sensitizer" @default.
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• W3114453685 doi "https://doi.org/10.1016/j.solener.2020.12.009" @default.
• W3114453685 hasPublicationYear "2021" @default.
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