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Hydrogenated Nanocrystalline Silicon based Solar Cell with 13.6% Stable Efficiency

  • Guozhen Yue (a1), Baojie Yan (a1), Laura Sivec (a1), Tining Su (a1), Yan Zhou (a1), Jeff Yang (a1) and Subhendu Guha (a1)...


Multi-junction solar cells incorporating hydrogenated nanocrystalline silicon (nc-Si:H) exhibit a high current capability and low light-induced degradation. In this paper, we report our recent progress in developing nc-Si:H solar cells using a modified very-high-frequency glow discharge technique. We achieved a short-circuit current density >30 mA/cm2and 10.6% conversion efficiency from single-junction solar cells. Using the improved nc-Si:H cells in an a-Si:H/nc-Si:H/nc-Si:H triple-junction structure, we attained initial and stabilized efficiencies of 13.9% and 13.6%, respectively. Issues related to improving material properties and device structures are addressed. Besides using the conventional techniques, such as hydrogen dilution profiling, optimized Ag/ZnO back reflector, and buffer layers, we found that compensation from Boron and Oxygen micro-doping is also critical in obtaining the above achievements.



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1. Guha, S., Yang, J., and Yan, B., Comprehensive Semiconductor Science and Technology, edited by Bhattacharya, P., Fornari R, R., and Kamimura H, H., (Elsevier, Amsterdam, 2011), Vol. 6, pp.308352.
2. Thin-Film Silicon Solar Cells, edited by Shah, A., EPFL Press (Lausanne, Switzerland, 2010).
3. Yan, B., Yue, G., Owens, J.M., Yang, J., and Guha, S., Appl. Phys. Lett. 85, 1925 (2004).
4. Meier, J., Flückiger, R., Keppner, H., and Shah, A., Appl. Phys. Lett. 65, 860 (1994).
5. Shah, A.V., Meier, J., Vallat-Sauvain, E., Wyrsch, N., Kroll, U., Droz, C., and Graf, U., Sol. Energy Mater. Sol. Cells 78, 469 (2003).
6. Yue, G., Sivec, L., Owens, J. M., Yan, B., Yang, J., and Guha, S., Appl. Phys. Lett. 95, 263501 (2009).
7. Yang, J., Banerjee, A., and Guha, S., Appl. Phys. Lett. 70, 2975 (1997).
8. Meier, J., Torres, P., Platz, R., Dubail, S., Kroll, U., Anna Selvan, J. A., Pellaton Vaucher, N., Hof, Ch., Fischer, D., Keppner, H., Shah, A., Ufert, K.-D., Giannoules, P., and Koehler, J., Mater. Res. Symp. Proc. 420, 3 (1996).
9. Torres, P., Meier, J., Flückiger, R., Kroll, U., Anna Selvan, J. A., Keppner, H., Shah, A., Littelwood, S. D., Kelly, I. E., and Giannoulès, P., Appl. Phys. Lett. 69, 1373 (1996).
10. Nasuno, Y., Kondo, M., and Matsuda, A., Appl. Phys. Lett. 78, 2330 (2001).
11. Merdzhanova, T., Woerdenweber, J., Kilper, T., Stiebig, H., Beyer, W., and Gordijn, A., Mater. Res. Soc. Symp. Proc. 1245, 51 (2010).
12. Woerdenweber, J., Merdzhanova, T., Schmitz, R., Mück, A., Zastrow, U., Niessen, L., Gordijn, A., Carius, R., Beyer, W., Stiebig, H., and Rau, U., J. Appl. Phys. 104, 094507 (2008).
13. Kilper, T., Beyer, W., Bräuer, G., Bronger, T., Carius, R., van den Donker, M. N., Hrunski, D., Lambertz, A., Merdzhanova, T., Mück, A., Rech, B., Reetz, W., Schmitz, R., Zastrow, U., and Gordijn, A., J. Appl. Phys. 105, 074509 (2009).
14. Banerjee, A., Su, T., Beglau, D., Pietka, G., Liu, F., Yan, B., Yang, J., and Guha, S., Mater. Res. Soc. Symp. Proc. 1321, 3 (2011).



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