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Journal of Nanomaterials
Volume 2016, Article ID 9245159, 8 pages
http://dx.doi.org/10.1155/2016/9245159
Research Article

Fabrication of Si/SiO2 Superlattice Microwire Array Solar Cells Using Microsphere Lithography

1Japan Science and Technology Agency (JST), Fukushima Renewable Energy Institute (FREA), Koriyama, Fukushima 963-0215, Japan
2Department of Physical Electronics, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
3Advanced Research Laboratories, Tokyo City University, Setagaya, Tokyo 158-0082, Japan

Received 21 July 2016; Accepted 27 September 2016

Academic Editor: Xiaopeng Li

Copyright © 2016 Shigeru Yamada et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. K. Masuko, M. Shigematsu, T. Hashiguchi et al., “Achievement of more than 25% conversion efficiency with crystalline silicon heterojunction solar cell,” IEEE Journal of Photovoltaics, vol. 4, no. 6, pp. 1433–1435, 2014. View at Publisher · View at Google Scholar · View at Scopus
  2. W. Shockley and H. J. Queisser, “Detailed balance limit of efficiency of p-n junction solar cells,” Journal of Applied Physics, vol. 32, no. 3, pp. 510–519, 1961. View at Publisher · View at Google Scholar · View at Scopus
  3. T. Tiedje, E. Yablonovitch, G. D. Cody, and B. G. Brooks, “Limiting efficiency of silicon solar cells,” IEEE Transactions on Electron Devices, vol. ED-31, no. 5, pp. 711–716, 1984. View at Google Scholar · View at Scopus
  4. A. J. Nozik, M. C. Beard, J. M. Luther, M. Law, R. J. Ellingson, and J. C. Johnson, “Semiconductor quantum dots and quantum dot arrays and applications of multiple exciton generation to third-generation photovoltaic solar cells,” Chemical Reviews, vol. 110, no. 11, pp. 6873–6890, 2010. View at Publisher · View at Google Scholar · View at Scopus
  5. Y. Okada, N. J. Ekins-Daukes, T. Kita et al., “Intermediate band solar cells: recent progress and future directions,” Applied Physics Reviews, vol. 2, no. 2, Article ID 021302, 2015. View at Publisher · View at Google Scholar
  6. D. Knig, K. Casalenuovo, Y. Takeda et al., “Hot carrier solar cells: principles, materials and design,” Physica E, vol. 42, no. 10, pp. 2862–2866, 2010. View at Publisher · View at Google Scholar · View at Scopus
  7. A. D. Vos, “Detailed balance limit of the efficiency of tandem solar cells,” Journal of Physics D: Applied Physics, vol. 13, no. 5, pp. 839–846, 1980. View at Publisher · View at Google Scholar
  8. Y. Takahashi, T. Furuta, Y. Ono, T. Ishiyama, and M. Tabe, “Photoluminescence from a silicon quantum well formed on separation by implanted oxygen substrate,” Japanese Journal of Applied Physics, vol. 34, no. 2, pp. 950–954, 1995. View at Publisher · View at Google Scholar · View at Scopus
  9. X. Zhao, C. M. Wei, L. Yang, and M. Y. Chou, “Quantum confinement and electronic properties of silicon nanowires,” Physical Review Letters, vol. 92, no. 23, pp. 236805–1, 2004. View at Publisher · View at Google Scholar · View at Scopus
  10. Y. Kurokawa, S. Tomita, S. Miyajima, A. Yamada, and M. Konagai, “Photoluminescence from silicon quantum dots in Si quantum dots/amorphous SiC superlattice,” Japanese Journal of Applied Physics, vol. 46, no. 33–35, pp. L833–L835, 2007. View at Publisher · View at Google Scholar · View at Scopus
  11. G. Conibeer, M. Green, E.-C. Cho et al., “Silicon quantum dot nanostructures for tandem photovoltaic cells,” Thin Solid Films, vol. 516, no. 20, pp. 6748–6756, 2008. View at Publisher · View at Google Scholar · View at Scopus
  12. D. J. Lockwood, Z. H. Lu, and J. Baribeau, “Quantum Confined luminescence in Si/SiO2 superlattices,” Physical Review Letters, vol. 76, no. 3, pp. 539–541, 1996. View at Publisher · View at Google Scholar
  13. M. Zacharias, J. Heitmann, R. Scholz, U. Kahler, M. Schmidt, and J. Bläsing, “Size-controlled highly luminescent silicon nanocrystals: a SiO/SiO2 superlattice approach,” Applied Physics Letters, vol. 80, no. 4, pp. 661–663, 2002. View at Publisher · View at Google Scholar · View at Scopus
  14. J. Lopez-Vidrier, S. Hernandez, A. M. Hartel et al., “Structural and optical characterization of size controlled silicon nanocrystals in SiO2/SiOxNy multilayers,” Energy Procedia, vol. 10, pp. 43–48, 2011. View at Publisher · View at Google Scholar
  15. S. Yamada, M. Konagai, and S. Miyajima, “Investigation of the optical absorption in Si/SiO2 superlattice for the application to solar cells,” Japanese Journal of Applied Physics, vol. 55, Article ID 04ES06, 2016. View at Google Scholar
  16. T. Kirchartz, K. Seino, J.-M. Wagner, U. Rau, and F. Bechstedt, “Efficiency limits of Si/SiO2 quantum well solar cells from first-principles calculations,” Journal of Applied Physics, vol. 105, no. 10, Article ID 104511, 2009. View at Publisher · View at Google Scholar · View at Scopus
  17. U. Aeberhard, “Theory and simulation of photogeneration and transport in Si-SiOx superlattice absorbers,” Nanoscale Research Letters, vol. 6, article 242, 2011. View at Publisher · View at Google Scholar
  18. U. Aeberhard, “Effective microscopic theory of quantum dot superlattice solar cells,” Optical and Quantum Electronics, vol. 44, no. 3–5, pp. 133–140, 2012. View at Publisher · View at Google Scholar · View at Scopus
  19. R. Tsu and G. Döhler, “Hopping conduction in a ‘superlattice’,” Physical Review B, vol. 12, no. 2, pp. 680–686, 1975. View at Publisher · View at Google Scholar · View at Scopus
  20. A. Wacker, “Semiconductor superlattices: a model system for nonlinear transport,” Physics Reports, vol. 357, no. 1, pp. 1–11, 2002. View at Publisher · View at Google Scholar
  21. F. Feldmann, M. Bivour, C. Reichel, H. Steinkemper, M. Hermle, and S. W. Glunz, “Tunnel oxide passivated contacts as an alternative to partial rear contacts,” Solar Energy Materials and Solar Cells, vol. 131, pp. 46–50, 2014. View at Publisher · View at Google Scholar · View at Scopus
  22. F. Feldmann, M. Simon, M. Bivour, C. Reichel, M. Hermle, and S. W. Glunz, “Efficient carrier-selective p- and n-contacts for Si solar cells,” Solar Energy Materials and Solar Cells, vol. 131, pp. 100–104, 2014. View at Publisher · View at Google Scholar · View at Scopus
  23. T. Higa, R. Ishikawa, S. Miyajima, and M. Konagai, “Properties of Si/SiO2 superlattice nanodisc array prepared by nanosphere lithography,” in Next Generation Technologies for Solar Energy Conversion V, vol. 91780 of Proceedings of SPIE, San Diego, Calif, USA, August 2014. View at Publisher · View at Google Scholar · View at Scopus
  24. H. S. Radhakrishnan, R. Martini, V. Depauw et al., “Kerfless layer-transfer of thin epitaxial silicon foils using novel multiple layer porous silicon stacks with near 100% detachment yield and large minority carrier diffusion lengths,” Solar Energy Materials and Solar Cells, vol. 135, pp. 113–123, 2015. View at Publisher · View at Google Scholar · View at Scopus
  25. P. Löper, D. Stüwe, M. Künle et al., “A membrane device for substrate-free photovoltaic characterization of quantum dot based p-i-n solar cells,” Advanced Materials, vol. 24, no. 23, pp. 3124–3129, 2012. View at Publisher · View at Google Scholar · View at Scopus
  26. S. Yamada, Y. Kurokawa, S. Miyajima, and M. Konagai, “Improvement of electrical properties of silicon quantum dot superlattice solar cells with diffusion barrier layers,” Japanese Journal of Applied Physics, vol. 52, no. 4, Article ID 04CR02, 2013. View at Publisher · View at Google Scholar
  27. A. N. Corpus-Mendoza, M. M. De Souza, and F. U. Hamelmann, “Design of schottky contacts for optimum performance of thin-film silicon solar cells,” IEEE Journal of Photovoltaics, vol. 5, no. 1, pp. 22–27, 2015. View at Publisher · View at Google Scholar · View at Scopus
  28. R. V. K. Chavali, J. R. Wilcox, B. Ray, J. L. Gray, and M. A. Alam, “Correlated nonideal effects of dark and light I–V characteristics in a-Si/c-Si heterojunction solar cells,” IEEE Journal of Photovoltaics, vol. 4, no. 3, pp. 763–771, 2014. View at Publisher · View at Google Scholar · View at Scopus