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首页> 外文期刊>ECS Journal of Solid State Science and Technology >Dye Sensitized Solar Cell Based on Polyaniline-Carbon Nanotubes/Graphite Composite
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Dye Sensitized Solar Cell Based on Polyaniline-Carbon Nanotubes/Graphite Composite

机译：基于聚苯胺-碳纳米管/石墨复合材料的染料敏化太阳能电池

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摘要

In this work, polyaniline (PANI) base-single wall carbon nanotubes (SWCNTs) composite counter electrode (CE) and N3 ruthenium dye sensitized TiO_2, prepared using hydrothermal method, photoelectrode were assembled to form a dye sensitized solar cell (DSSC). Three different compositions (ITO/PANI, ITO/PANI-SWCNTs and ITO/PANI-SWCNTs-graphite) of counter electrodes were fabricated and used for constructing different DSSCs. The morphologies of PANI-SWCNTs counter electrode and TiO_2 meso-porous film surfaces were investigated using scanning electron microscope (SEM). The electrical properties of the resultant solar cells were investigated by measuring the current density-voltage (J-V) under illumination condition and impedance measurements. The photovoltaic cell characteristics, i.e., open circuit voltage (V_oc), short circuit current density (J_sc), fill factor (FF) and energy conversion efficiency (n) were evaluated under illumination and were found to be 530 mV, 12 mA/cm~2, 0.3 and 1.8%, respectively for ITO/PANI-SWCNTs/graphite/electrolyte/ TiO_2-N3 dye/ITO heterostructure. The depositing of a graphite layer on the PANI/SWCNTs nanocomposite creates a novel structure for the counter electrode and enhances the photovoltaic cell efficiency by 80%.
机译：本文采用水热法制备的聚苯胺（PANI）基单壁碳纳米管（SWCNTs）复合对电极（CE）和N 3钌染料敏化TiO_2光电极组装而成染料敏化太阳能电池（DSSC）。制备了三种不同组成的对电极（ITO / PANI，ITO / PANI-SWCNT和ITO / PANI-SWCNT-石墨），并用于构建不同的DSSC。用扫描电子显微镜（SEM）研究了PANI-SWCNTs对电极和TiO_2介孔膜表面的形貌。通过在照明条件和阻抗测量下测量电流密度-电压（J-V）来研究所得太阳能电池的电性能。在光照下评估光伏电池的特性，即开路电压（V_oc），短路电流密度（J_sc），填充因子（FF）和能量转换效率（n），发现为530 mV，12 mA / cm对于ITO / PANI-SWCNTs /石墨/电解质/ TiO_2-N3染料/ ITO异质结构，分别约为2％，0.3％和1.8％。在PANI / SWCNTs纳米复合材料上沉积石墨层为对电极创造了一种新颖的结构，并将光伏电池效率提高了80％。

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