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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Mesoporous NiCo2O4 networks with enhanced performance as counter electrodes for dye-sensitized solar cells
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Mesoporous NiCo2O4 networks with enhanced performance as counter electrodes for dye-sensitized solar cells

机译：中孔Nico2O4网络具有增强性能作为染料敏化太阳能电池的反电极

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摘要

The performance of a dye-sensitized solar cell (DSSC) is strongly influenced by the catalytic performance of its counter electrode (CE) materials. Platinum (Pt) is conventionally used as the CE for DSSCs, but it is precious and is readily corroded by the iodide/triiodide electrolyte. Herein, mesoporous NiCo2O4 networks with different types of building blocks were prepared by electrospinning of a composite solution followed by annealing in air, and their performances as CEs in DSSCs were investigated. The honeycomb-like NiCo2O4 exhibited better performance than the nanotube ones, showing a photoelectric conversion efficiency of 7.09% which is higher than that of a standard Pt CE (7.05%) under the same conditions. The enhanced electrode performance was attributed to the relatively larger surface area and higher conductivity. The preparation methods demonstrated in this study are scalable and would pave the way for practical applications of Pt-free DSSCs.
机译：染料敏化太阳能电池（DSSC）的性能受到其对电极（CE）材料的催化性能的强烈影响。 铂（PT）通常用作DSSC的CE，但它是珍贵的并且被碘化物/三碘化物电解质容易地腐蚀。 在此，通过静电溶剂制备具有不同类型构建块的中孔NiCO2O4网络，然后在空气中进行退火，并研究了DSSCs中的CES的性能。 蜂窝状的Nico2O4表现出比纳米管道更好的性能，显示光电转换效率为7.09％，其在相同条件下高于标准Pt Ce（7.05％）的光电转换效率。 增强电极性能归因于相对较大的表面积和更高的导电性。 本研究中显示的制备方法是可扩展的，并且会为非PT的DSSC进行实际应用铺平道路。

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