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Hierarchical porous carbon derived from rice husk as a low-cost counter electrode of dye-sensitized solar cells

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  • Wang, Guiqiang
  • Wang, Delong
  • Kuang, Shuai
  • Xing, Wei
  • Zhuo, Shuping

Abstract

The porous carbon with a high surface area is prepared from rice husk through pyrolysis and chemical activation and explored as the counter electrode of dye-sensitized solar cells. Structure and texture analysis reveals that the as-prepared porous carbon has a hierarchical porous structure containing large-size mesopores and abundant micropores. Electrochemical studies indicate that the obtained hierarchical porous carbon electrode has high electrocatalytic activity for I−/I3− redox reaction and enhanced electrolyte diffusion capability. These enhanced electrochemical properties are beneficial for improving the photovoltaic performance of dye-sensitized solar cells. Under irradiation of 100 mW cm−2, the dye-sensitized solar cell with this porous carbon counter electrode shows a conversion efficiency of 6.32%, which is closed to that of the cell with Pt electrode (6.69%). These promising results highlight the potential application of hierarchical porous carbon derived from rice husk in more cost-effective dye-sensitized solar cells.

Suggested Citation

  • Wang, Guiqiang & Wang, Delong & Kuang, Shuai & Xing, Wei & Zhuo, Shuping, 2014. "Hierarchical porous carbon derived from rice husk as a low-cost counter electrode of dye-sensitized solar cells," Renewable Energy, Elsevier, vol. 63(C), pages 708-714.
    • Handle: RePEc:eee:renene:v:63:y:2014:i:c:p:708-714
    DOI: 10.1016/j.renene.2013.10.033
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    References listed on IDEAS

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    1. Veerappan, Ganapathy & Bojan, Karunagaran & Rhee, Shi-Woo, 2012. "Amorphous carbon as a flexible counter electrode for low cost and efficient dye sensitized solar cell," Renewable Energy, Elsevier, vol. 41(C), pages 383-388.
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    Cited by:

    1. Zhang, Wenli & Lin, Nan & Liu, Debo & Xu, Jinhui & Sha, Jinxin & Yin, Jian & Tan, Xiaobo & Yang, Huiping & Lu, Haiyan & Lin, Haibo, 2017. "Direct carbonization of rice husk to prepare porous carbon for supercapacitor applications," Energy, Elsevier, vol. 128(C), pages 618-625.
    2. Cuong, Dinh Viet & Matsagar, Babasaheb M. & Lee, Mengshan & Hossain, Md. Shahriar A. & Yamauchi, Yusuke & Vithanage, Meththika & Sarkar, Binoy & Ok, Yong Sik & Wu, Kevin C.-W. & Hou, Chia-Hung, 2021. "A critical review on biochar-based engineered hierarchical porous carbon for capacitive charge storage," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).

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