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A Study on the Residual Stress Analysis of a-Si Thin Film Solar Cell  

Hur, Jang-Wook (Intelligent Mechanical Engineering, Kumoh Institute of Technology)
Kim, Dong-Wook (Graduate School of Intelligent Mechanical Engineering, Kumoh Institute of Technology)
Choi, Sung-Dae (Intelligent Mechanical Engineering, Kumoh Institute of Technology)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.12, no.2, 2013 , pp. 14-19 More about this Journal
Abstract
The size and distribution of residual stresses and the effect of the minimum mesh size were investigated by the a-Si thin film solar cell. Attributed to the difference in coefficient of thermal expansion of the a-Si and Ag concentrated residual stresses at the joint interface of dissimilar materials. The ${\sigma}y$ and ${\tau}xy$ didn't appear in the central part, but ${\sigma}x$ existed. However, ${\sigma}x$, ${\sigma}y$ and ${\tau}xy$ appeared in the edge part and concentrated residual stresses at the interface between a-Si and Ag. Minimum mesh size gets smaller, the concentration of ${\sigma}y$ was significantly and existence area was reduced. As a result, the failure of thin film solar cells during the cutting process can be explained by the residual stresses.
Keywords
a-Si; Thin Film; Solar Cell; Residual Stress; Coefficient of Thermal Expansion; Dissimilar Materials;
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1 Oh, S. W., Rhee, H. W., Lee, C. H., Kim, Y. C., Kim, J. K. and Yu, J. W., "The Photovoltaic Device Using a Nano Template Method", Current Applied Physics, Vol. 5, pp. 55-58, 2005   DOI   ScienceOn
2 Sarau, G., Becker, M., Andra, G. and Christiansen, S., "Residual Stress Measurements in Multi- Crystalline Silicon Bulk and Thin Film Solar Cells Using Micro-Ramen Specitroscopy," 23rd European Photovoltaic Solar Energy Conference, pp 2265-2270, 2008.
3 Sarau, G., Becker, M., Bochmann, A., Gawlik, A., Andra, G. and Christiansen, S., "Evolution of Residual Stress and Its Relation to Microstructure in Multi-Crystalline Silicon Thin Film Solar Cells on Glass Prepared by Combined Laser Crystallization and Solid Phase Epitaxy," 24rd European Photovoltaic Solar Energy Conference, pp 2494-2499, 2009.
4 Franke, D. and Steinbach, I., "Calculation of Thermal Stresses During the Soldering of Solar Cell Strings", First WCPEC, pp. 1458-1461, 1994.
5 Hur, J. W. and Kobayashi, H., "Comparison of Three- and Two-Dimensional Finite-Element Analyses of Residual Stress in Ceramic/Metal Joints", Transactions of the Japan Society of Mechanical Engineers, pp. 798-804, 1995.
6 Yun, S. J., Chung, Y. D., Lim, J. W., Pak, H. K. and Kim, J. H., "Development Trends of Thin Film Solar Cell Technologies," Electronics and Telecommunications Trends Analysis, Vol. 27, No. 1, pp. 38-50, 2012.
7 Chun, H. S., Kim, J. H. and Heo, P. S., "A Study on the Market and Technology Development Trends of Thin Film Solar Cells," Electronics and Telecommunications Trends Analysis, Vol. 24, No. 4, pp. 135-146, 2009.
8 Han, W. S., Kim, H. S., Choi, B. S. and Oh, D. K., " Trends of the Next-Generation Solar Cell technology", Electronics and Telecommunications Trends Analysis, Vol. 22, No. 22, pp. 86-94, 2007.
9 Hsieh, H. H., Lin, F. M. and Yub, S. P., "Performance of Low Serie-resistance Interconnections on the Ploycrystalline Solar Cells", Solar Energy materials & Solar Cells, Vol. 95, pp. 39-44, 2010.
10 Hsieh, H. H., Lin, F. M., Yeh, F. Y. and Lin, M. H., "The Effects of Temperature and Solders on the Wettability Between Ribbon and Solar Cell", Solar Energy materials & Solar Cells, Vol. 93, pp. 864-868, 2009.   DOI   ScienceOn