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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Top-illuminated dye-sensitized solar cells with a room-temperature- processed ZnO photoanode on metal substrates and a Pt-coated Ga-doped ZnO counter electrode
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Top-illuminated dye-sensitized solar cells with a room-temperature- processed ZnO photoanode on metal substrates and a Pt-coated Ga-doped ZnO counter electrode

机译：顶部照明的染料敏化太阳能电池，在金属基板上具有经过室温处理的ZnO光电阳极和Pt涂层的Ga掺杂ZnO对电极

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摘要

We report on top-illuminated, fluorine tin oxide/indium tin oxide-free (FTO/ITO-free), dye-sensitized solar cells (DSCs) using room-temperature- processed ZnO layers on metal substrates as the working electrodes and Pt-coated Ga-doped ZnO layers (GZO) as the counter electrodes. These top-illuminated DSCs with GZO render comparable efficiency to those employing commercial FTO counter electrodes. Despite a lower current density, the top-illuminated DSCs result in a higher fill factor than conventional DSCs due to a low ohmic loss at the electrode/semiconductor interface. The effect of metal substrate on the performance of the resulting top-illuminated DSCs is also studied by employing various metals with different work functions. Ti is shown to be a suitable metal to be used as the working electrode in the top-illuminated device architecture owing to its low ohmic loss at the electrode/semiconductor interface, minimum catalytic activity on redox reactions and high resistance to corrosion by liquid electrolytes.
机译：我们报告了使用金属基板上经过室温处理的ZnO层作为工作电极以及Pt-Pt的顶照式无氟氧化锡/铟锡氧化物（不含FTO / ITO），染料敏化太阳能电池（DSC）。涂覆Ga掺杂的ZnO层（GZO）作为对电极。这些具有GZO的顶部照明DSC的效率可与采用商用FTO对电极的效率相媲美。尽管电流密度较低，但由于在电极/半导体界面处的欧姆损耗较低，顶照式DSC的填充系数比常规DSC高。通过使用具有不同功函数的各种金属，还研究了金属基材对最终顶照DSC性能的影响。由于在电极/半导体界面处的低欧姆损耗，对氧化还原反应的最小催化活性以及对液体电解质的高耐蚀性，Ti被证明是适合用作顶部照明设备体系结构中的工作电极的金属。

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