The Effect of Rapid Thermal Annealing Towards the Performance of Screen-Printed Si Solar Cell | Science Publications

American Journal of Applied Sciences

Kamaruzzaman Sopian¹  Saleem Zaidi¹  Cheow S. Leong¹  Khairymaza L. Yusri¹  Shahrul Anizan¹  Nowshad Amin¹ 

关键词: Thermal annealing;    thermal treatment;    solar cell;    screen printing;    paste co-firing;    generate energy;    global warming;    energy technologies;    silicon substrate;    optimum firing cycle;    metallization process;    energy consumption;   

DOI  :  10.3844/ajassp.2011.267.270

学科分类：自然科学（综合）

来源: Science Publications

【 摘 要 】

Problem statement: Solar cells are used to capture the photons which generate the energy.However the efficiency of the cells to turn the amount of photon to electricity needs to be high and sothe cells enhancement is needed. This involved the whole process of the developing of the cells, thusannealing process is one of the important steps that needs to be optimised. Approach: Only Si solarcells will be discussed and the processes involved would be metal contact screen printing and metalpaste co-firing. The contacts were first screen printed with Al paste for the rear side and Ag paste forthe front side of the cell. Cells are then fired in the annealing furnace using selected temperatureprofile. Few sets of temperature profiles were used in every cycle. Results: After the IV characteristicswere measured such as Voc, Isc, Pmax and fill factor, it shows that when higher annealing temperatureof the profile was used, all the parameter will increase accordingly. However, profile with the highestannealing temperature will burn the paste as it will decrease the quality of the cell. This is consideredas over heat to the paste. Conclusion: So by optimising the thermal treatment of the annealing processdoes improve the performance of the Si solar cell.

【 授权许可】

Unknown