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Polyol-mediated synthesis of ZnO nanoparticle-assembled hollow spheres/nanorods and their photoanode performances

  • Materials (Organic, Inorganic, Electronic, Thin Films)
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Abstract

ZnO nanoparticle-assembled hollow spheres (raspberry-like) and elliptical nanorods (rice-like) were synthesized via a facile polyol process. Employing ethylene glycol as a polyol led to a ZnO nanoparticle-assembled hollow sphere structure, while diethylene glycol resulted in an elliptical nanorod structure. The ZnO hollow spheres had a higher Brunauer-Emmett-Teller (BET) surface area, better dye adsorption, more incident light trapping, and lower defect density than the ZnO elliptical nanorods. The ZnO hollow sphere-based dye-sensitized solar cells (DSSCs) exhibited a three-times higher current density than the ZnO elliptical nanorod-based DSSCs.

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Correspondence to Eui Jung Kim.

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Kim, S.W., Nguyen, T.K., Van Thuan, D. et al. Polyol-mediated synthesis of ZnO nanoparticle-assembled hollow spheres/nanorods and their photoanode performances. Korean J. Chem. Eng. 34, 495–499 (2017). https://doi.org/10.1007/s11814-016-0283-3

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  • DOI: https://doi.org/10.1007/s11814-016-0283-3

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