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Graphene with cobalt oxide and tungsten carbide as a low-cost counter electrode catalyst applied in Pt-free dye-sensitized solar cells

机译:含氧化钴和碳化钨的石墨烯作为低成本对电极催化剂,应用于无铂染料敏化太阳能电池

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摘要

In this work, the nanomaterial Co3O4-WC-CN/rGO (CN is nitrogen-doped carbon; rGO is reduced graphene oxide), as an efficient alternative to platinum for the counter electrode (CE), has been prepared by the high temperature calcination of the Na6H2W12O40 center dot H2O (H2W12) embedded metal-organic framework in argon gas and air atmosphere. It shows high catalytic activity as the CE in the dye-sensitized solar cells (DSSCs), which is due to the excellent catalytic activity of Co3O4-WC and high conductivity of rGO. The photoelectric conversion efficiency (PCE) of DSSC with Co3O4-WC-CN/rGO as the CE is 7.38%, which is superior to that of Pt as the CE (eta = 6.85%).
机译:在这项工作中,通过高温煅烧制备了纳米材料Co3O4-WC-CN / rGO(CN是掺杂氮的碳; rGO是还原的氧化石墨烯),作为对电极(CE)的铂的有效替代品。 Na6H2W12O40中心点H2O(H2W12)嵌入的金属有机骨架在氩气和空气气氛中的分布。它在染料敏化太阳能电池(DSSC)中显示出作为CE的高催化活性,这归因于Co3O4-WC的出色催化活性和rGO的高电导率。以Co3O4-WC-CN / rGO作为CE的DSSC的光电转换效率(PCE)为7.38%,优于作为CE的Pt的光电转换效率(eta = 6.85%)。

著录项

  • 来源
    《Journal of power sources》 |2018年第15期|18-25|共8页
  • 作者

    Chen Li; Chen Weilin; Wang Enbo;

  • 作者单位

    Northeast Normal Univ, Dept Chem, Key Lab Polyoxometalate Sci, Minist Educ, Changchun 130024, Jilin, Peoples R China;

    Northeast Normal Univ, Dept Chem, Key Lab Polyoxometalate Sci, Minist Educ, Changchun 130024, Jilin, Peoples R China;

    Northeast Normal Univ, Dept Chem, Key Lab Polyoxometalate Sci, Minist Educ, Changchun 130024, Jilin, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Metal-organic framework; Reduced graphene oxide; Dye-sensitized solar cells; Counter electrode;

    机译:金属有机骨架氧化石墨烯染料敏化太阳能电池对电极;
  • 入库时间 2022-08-18 00:21:23

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