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首页> 外文期刊>International Journal of Electrochemical Science >Metal-organic Frameworks Derived Porous Cake-like TiO2 as an Efficient Scattering Layer for Dye-Sensitized Solar Cells
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Metal-organic Frameworks Derived Porous Cake-like TiO2 as an Efficient Scattering Layer for Dye-Sensitized Solar Cells

机译：金属有机骨架衍生出多孔蛋糕状TiO 2 作为染料敏化太阳能电池的高效散射层

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摘要

Porous anatase cake-like TiO 2 was prepared by annealing Ti-based metal-organic frameworks (MOFs)MIL-125, which was then used as an efficient scattering layer in dye-sensitized solar cells (DSSCs).The morphology and structure of the prepared porous cake-like TiO 2 were characterized by SEM,TEM, and XRD. DSSCs with porous cake-like TiO 2 as an efficient scattering layer exhibited aphotoelectric conversion efficiency (PCE) of 6.91%, which was greater than that of single P25 TiO 2based DSSCs (3.89%). The improved photoelectric conversion efficiency was attributed to the crucialrole of porous cake-like TiO 2 in promoting surface area and incident light scattering performance, asdemonstrated by N 2 adsorption/desorption isotherm analysis, diffuse reflectance spectroscopy, incidentphoton-to-current efficiency (IPCE) analysis, and electrochemical impedance spectroscopy (EIS).
机译：通过对基于Ti的金属有机骨架（MOF）MIL-125进行退火制备了多孔锐钛矿饼状TiO 2，然后将其用作染料敏化太阳能电池（DSSC）的有效散射层。通过SEM，TEM和XRD对制备的多孔饼状TiO 2进行了表征。具有多孔饼状TiO 2作为有效散射层的DSSC显示出6.91％的光电转换效率（PCE），高于单个基于P25 TiO 2的DSSC（3.89％）。光电转换效率的提高归因于多孔饼状TiO 2在提高表面积和入射光散射性能方面的关键作用，这通过N 2吸附/解吸等温线分析，漫反射光谱，入射光子-电流效率（IPCE）证明分析和电化学阻抗谱（EIS）。

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