Structure Design and Measurement of Dye-Sensitized Solar Cell Modules

  • Dr Yang Huang, Division of Solar Energy Materials and Engineering, Institute of Plasma Physics, Chinese Academy of Sciences, China
  • Dr Shuanghong Chen, Division of Solar Energy Materials and Engineering, Institute of Plasma Physics, Chinese Academy of Sciences, China
  • Prof Jian Weng, Division of Solar Energy Materials and Engineering, Institute of Plasma Physics, Chinese Academy of Sciences, China
  • Prof Yifeng Sui, Division of Solar Energy Materials and Engineering, Institute of Plasma Physics, Chinese Academy of Sciences, China
  • Dr Shangfeng Xiao, Division of Solar Energy Materials and Engineering, Institute of Plasma Physics, Chinese Academy of Sciences, China
  • Mr Lei Shi, Division of Solar Energy Materials and Engineering, Institute of Plasma Physics, Chinese Academy of Sciences, China
  • Songyuan Dai, Division of Solar Energy Materials and Engineering, Institute of Plasma Physics, Chinese Academy of Sciences, China

    • New photoelectric conversion efficiency record up to 11.18% was achieved, which showed a very exciting result for future large-scale dye-sensitized solar cells (DSC). In the present work, DSC was fabricated with the purpose of decreasing the electron loss resulted by square resistance and increasing electron collection. Two single cells (active area 11cm2) parallel connection was designed with the width and length of 0.5 cm, 11 cm respectively. The photoelectric conversion efficiency of the solar cells were greatly improved after the structural optimization. And then, DSC (15 cm × 20 cm) was investigated under parallel connection. At the same time, the total output power and the shape of single cell under various widths and Jsc were simulated and calculated based on theoretic model. The optimizing width is 6-7mm for world-class DSC (22 mA/cm2), 8 mm for standard DSC (16 mA/cm2), and 10 mm for mediocre DSC (10 mA/cm2).
    The characteristic of large-scale DSC under different testing condition was also investigated. The results indicated that testing conditions, such as spectrum conditions of light source, testing interval, temperature and light intensity have obvious effects on DSC photovoltaic performance. The most suitable measurement conditions for DSC were discussed ultimately.