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Enhanced photovoltaic performance of Cu-based metal-organic frameworks sensitized solar cell by addition of carbon nanotubes

机译:通过添加碳纳米管增强了基于铜的金属有机骨架敏化太阳能电池的光伏性能

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摘要

In the present work, TiO2 nanoparticle and multi-walled carbon nanotubes composite powder is prepared hydrothermally. After doctor blading the paste from composite powder, the resulted composite film is sensitized with Cu-based metal-organic frameworks using a layer-by-layer deposition technique and the film is characterized using FE-SEM, EDX, XRD, UV/Visible spectrophotometry and photoluminescence spectroscopy. The influence of the carbon nanotubes in photovoltaic performance is studied by constructing a Grätzel cell with I3/I redox couple containing electrolyte. The results demonstrate that the introduction of carbon nanotubes accelerates the electron transfer, and thereby enhances the photovoltaic performance of the cell with a nearly 60% increment in power conversion efficiency.
机译:在本工作中,水热制备了TiO2纳米颗粒和多壁碳纳米管复合粉末。在医生将复合粉末中的糊剂刮涂之后,使用逐层沉积技术将所得复合膜用基于铜的金属有机骨架敏化,并使用FE-SEM,EDX,XRD,UV / Visible Spectrophotometry对膜进行表征和光致发光光谱。通过构建包含I3 - / I -氧化还原对的电解质的Grätzel电池,研究了碳纳米管对光伏性能的影响。结果表明,碳纳米管的引入加速了电子转移,从而以功率转换效率增加近60%的方式增强了电池的光伏性能。

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