Design And Assembly Of Dye-Sensitized Solar Cell Module

Dye sensitized solar cells (DSC) with simple production process, inexpensive to manufacture (the cost only1/5～1/10of silicon solar cells) and environmentally friendly and many other advantages, is a considerable potential for development of new green solar cells. Currently, a small area of DSC performance is close to amorphous silicon solar cells, but eventually the industrial production of DSC, in the development of the large area DSC is a must. The main topic of conversion efficiency for large area DSC study of low and poor stability, improve the production process by optimizing the development of new large area DSC to resolve the bottleneck problem.The project was designed and produced large area single DSCs and DSCs in parallel. Firstly, the introduction of low-resistance Ag electrode and Ag electrode resistance on the performance of large-scale DSC, the results show that:Ag electrodes into conductive base by reducing resistance, DSC greatly improved fill factor, and ultimately improve the photoelectric conversion cells Efficiency; further indicates that the smaller Ag electrode resistance is more conducive to enhance the photoelectric conversion efficiency of large area DSC. Secondly, Nano-TiO2film electrode were used to TiCl4and Nd (NO3)3to optimize results showed that:the two treatments on the DSC properties have varying degrees of improvement. Pairs of electrodes conductive glass substrate optical test specifications and choice of reflective material background were compared, the results show that:when the lower electrode substrate selected light transmittance, low resistivity of the thick conductive glass, the large area increase the overall performance of DSC; elected to the test with the smooth background as a reflective foil material, can increase the DSC’s photocurrent density.Then, mainly from the large size of TiO2particle size and the introduction of reflective layer on a large area to proceed to study the performance of DSCs in parallel, results show that:within a certain range, use the smaller size of TiO2slurry produced by DSC, current density and efficiency have improved to some extent; With the introduction of large size reflectors on the large area to enhance the overall performance of DSC is very clear and effective. Finally, studies on the stability of large area DSCs.