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Issue 22, 2011
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ZnO hierarchical structures for efficient quasi-solid dye-sensitized solar cells

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Abstract

We report a direct precipitation method for mass production of ZnO microflowers (MFs) containing hierarchical structures. The ZnO MFs are constructed by interlaced single crystalline and porous nanosheets which are ideal photoanode material for dye-sensitized solar cells (DSCs) because the MFs can largely improve the energy harvesting performance and the efficiency of DSCs. Compared with other forms of nano-sized structures, the novel hierarchical structures show obvious advantages in DSC application because of their large surface area for dye-loading, good light scattering efficiency and excellent electrical transport property. The quasi-solid state DSCs fabricated with the MF hierarchical structures exhibited an efficiency of 4.12%, much higher than that of ZnO nanoparticle-based DSCs, indicating a great potential for the development of highly-efficient quasi-solid DSCs.

Graphical abstract: ZnO hierarchical structures for efficient quasi-solid dye-sensitized solar cells

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Publication details

The article was received on 06 Apr 2011, accepted on 07 Apr 2011 and first published on 10 May 2011


Article type: Communication
DOI: 10.1039/C1CP21068H
Citation: Phys. Chem. Chem. Phys., 2011,13, 10631-10634
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    ZnO hierarchical structures for efficient quasi-solid dye-sensitized solar cells

    C. Cheng, Y. Shi, C. Zhu, W. Li, L. Wang, K. K. Fung and N. Wang, Phys. Chem. Chem. Phys., 2011, 13, 10631
    DOI: 10.1039/C1CP21068H

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