Effect of metal-doping in TiO2 on fill factor of dye-sensitized solar cells

被引：42

作者：

Zhang, Xi

Wang, Shu-Tao

Wang, Zhong-Sheng ^{[1
]}

机构：

[1] Fudan Univ, Dept Chem, Shanghai 200438, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 11期

基金：

中国国家自然科学基金;

关键词：

PHOTOVOLTAIC PERFORMANCE; CONVERSION EFFICIENCY; RECOMBINATION; NB;

D O I：

10.1063/1.3635788

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In the study of dye-sensitized solar cells (DSSCs), we find that fill factor (FF) increases with the doping amount of Zn(II) but decreases with the doping amount of W(VI) in TiO2. A single-diode model is established to analyze the dependence of FF on open-circuit voltage (V-oc) and ideal factor (m). This model well explains the changes of FF caused by the doping element and amount, that is, FF increases with the ratio of V-oc/m. This study will shed light on the influencing factors of FF and guide the design of new materials towards high FF for DSSCs. (C) 2011 American Institute of Physics. [doi:10.1063/1.3635788]

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