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

機(jī)譯：通過(guò)添加碳納米管增強(qiáng)了基于銅的金屬有機(jī)骨架敏化太陽(yáng)能電池的光伏性能

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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.
機(jī)譯：在本工作中，水熱制備了TiO2納米顆粒和多壁碳納米管復(fù)合粉末。在醫(yī)生將復(fù)合粉末中的糊劑刮涂之后，使用逐層沉積技術(shù)將所得復(fù)合膜用基于銅的金屬有機(jī)骨架敏化，并使用FE-SEM，EDX，XRD，UV / Visible Spectrophotometry對(duì)膜進(jìn)行表征和光致發(fā)光光譜。通過(guò)構(gòu)建包含I3 - / I -氧化還原對(duì)的電解質(zhì)的Gr?tzel電池，研究了碳納米管對(duì)光伏性能的影響。結(jié)果表明，碳納米管的引入加速了電子轉(zhuǎn)移，從而以功率轉(zhuǎn)換效率增加近60％的方式增強(qiáng)了電池的光伏性能。

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