Photogenerated current by two-step photon excitation in ZnTeO intermediate band solar cells with n-zno window layer

IEEE Journal of Photovoltaics

Volumn 4, Issue 1, 2014, Pages 196-201

  Tanaka, Tooru ^a,b   Miyabara, Masaki ^a   Nagao, Yasuhiro ^a   Saito, Katsuhiko ^a   Guo, Qixin ^a   Nishio, Mitsuhiro ^a   Yu, Kin Man ^c   Walukiewicz, Wladek ^c  

^a SAGA UNIVERSITY   (Japan)

^b JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

^c LAWRENCE BERKELEY NATIONAL LABORATORY   (United States)

Author keywords

Highly mismatched alloy (HMA); intermediate band solar cell (IBSC); molecular beam epitaxy (MBE); two step photon excitation (TPE); ZnTeO

Indexed keywords

ELECTRON ACCUMULATION; EXTERNAL QUANTUM EFFICIENCY; HIGHLY MISMATCHED ALLOY (HMA); INTERMEDIATE-BAND SOLAR CELLS; PHOTOGENERATED CURRENT; PHOTON EXCITATIONS; PHOTOVOLTAIC ACTIVITIES; ZNTEO;

ELECTRON TRANSITIONS; MOLECULAR BEAM EPITAXY; OPEN CIRCUIT VOLTAGE; PHOTONS; ZINC COMPOUNDS; ZINC OXIDE;

SOLAR CELLS;

EID: 84891560136     PISSN: 21563381     EISSN: None     Source Type: Journal    
DOI: 10.1109/JPHOTOV.2013.2282738     Document Type: Article

References (19)

1. A. Luque and A. Mart́?, "Increasing the efficiency of ideal solar cells by photon induced transitions at intermediate levels," Phy. Rev. Lett., vol. 78, pp. 5014-5017, 1997. (Pubitemid 127644729)
2. K. M. Yu, W. Walukiewicz, J. Wu, W. Shan, J. W. Beeman, M. A. Scarpulla, O. D. Dubon, and P. Becla, "Diluted II-VI oxide semiconductors with multiple band gaps," Phys. Rev. Lett., vol. 91, pp. 246403-1-246403-4, 2003.
3. K. M.Yu,W.Walukiewicz, J.Wu,W. Shan, M. A. Scarpulla, O. D. Dubon, J. W. Beeman, and P. Becla, "Diluted ZnMnTe oxide: a multiband semiconductor for high efficiency solar cells," Phys. Stat. Sol. B, vol. 241, pp. 660-663, 2004. (Pubitemid 39288631)
4. W. Wang, A. S. Lin, and J. D. Phillips, "Intermediate-band photovoltaic solar cell based on ZnTeO," Appl. Phys. Lett., vol. 95, pp. 011103-1-011103-2, 2009.
5. A. Marti, E. Antolin, C. R. Stanley, C. D. Farmer, N. Lopez, P. Diaz, E. Canovas, P. G. Linares, and A. Luque, "Production of photocurrent due to intermediate-to-conduction-band transitions: A demonstration of a key operating principle of the intermediate-band solar cell," Phys. Rev. Lett., vol. 97, pp. 247701-1-247701-4, 2006.
6. Y. Okada, T. Morioka, K. Yoshida, R. Oshima, Y. Shoji, T. Inoue, and T. Kita, "Increase in photocurrent by optical transitions via intermediate quantum states in direct-doped InAs/GaNAs strain-compensated quantum dot solar cell," J. Appl. Phys., vol. 109, pp. 024301-1-024301-5, 2011.
7. N. Lopez, L. A. Reichertz, K. M. Yu, K. Campman, andW.Walukiewicz, "Engineering the electronic band structure formultiband solar cells," Phys. Rev. Lett., vol. 106, pp. 028701-1-028701-4, 2011.
8. N. Ahsan, N. Miyashita, M. M. Islam, K. M. Yu, W. Walukiewicz, and Y. Okada, "Two-photon excitation in an intermediate band solar cell structure," Appl. Phys. Lett., vol. 100, pp. 172111-1-172111-4, 2012.
9. W. Shan, W. Walukiewicz, J. W. Ager III, E. E. Haller, J. F. Geisz, D. J. Friedman, J. M. Olson, and S. R. Kurtz, "Band anticrossing in GaIn-NAs alloys," Phys. Rev. Lett., vol. 82, pp. 1221-1224, 1999.
10. T. Tanaka, K. Yu, A. Levander, O. Dubon, L. Reichertz, N. Lopez, M. Nishio, andW.Walukiewicz, "Demonstration of ZnTe1?xOx intermediate band solar cell," Jpn. J. Appl. Phys., vol. 50, pp. 082304-1-082304-3, 2011.
11. T. Tanaka, S. Kusaba, T. Mochinaga, K. Saito, Q. Guo, M. Nishio, K. M. Yu, and W. Walukiewicz, "Molecular beam epitaxial growth and optical properties of highly mismatched ZnTe1?xOx alloys," Appl. Phys. Lett., vol. 100, pp. 011905-1-011905-3, 2012.
12. T. Tanaka, K. M. Yu, P. R. Stone, J. W. Beeman, O. D. Dubon, L. A. Reichertz, V. M. Kao, M. Nishio, and W. Walukiewicz, "Demonstration of homojunction ZnTe solar cells," J. Appl. Phys., vol. 108, pp. 024502-1-024502-3, 2010.
13. T. Tanaka, M. Miyabara, K. Saito, Q. Guo, M. Nishio, K. M. Yu, and W. Walukiewicz, "Development of ZnTe-based solar cells," Mater. Sci. Forum, vol. 750, pp. 80-83, 2013.
14. R. Menner, B. Dimmler, R. H. Mauch, and H. W. Schock, "II-VI compound thin films for windows in heterojunction solar cells," J. Cryst. Growth, vol. 86, pp. 906-911, 1988.
15. W. Wang, A. Lin, and J. Phillips, "Electrical characteristics and photoresponse of ZnO/ZnTe heterojunction diodes," J. Electron. Mater., vol. 37, pp. 1044-1048, 2008.
16. W. Wang, J. Phillips, S. Kim, and X. Pan, "ZnO/ZnSe/ZnTe heterojunctions for ZnTe-based solar cells," J. Electron. Mater., vol. 40, pp. 1674-1678, 2011.
17. H. Dumont, J. Bouree, A. Marbeuf, and O. Gorochov, "Photo-assisted growth of ZnTe by metalorganic chemical vapour deposition," J. Cryst. Growth, vol. 130, pp. 600-610, 1993. (Pubitemid 23696419)
18. K. Jacobi, G. Zwicker, and A. Gutmann, "Work function, electron affinity and band bending of zinc oxide surfaces," Sur. Sci., vol. 141, pp. 109-125, 1984.
19. M. Lindner, G. Schotz, P. Link, H. Wagner, W. Kuhn, and W. Gebhardt, "Investigation of the hydrostatic pressure dependence of the E0 gap, the excitonic binding energy and the refractive index ofMOCVD-grown ZnTe layers," J. Phys.: Condens. Matter, vol. 4, pp. 6401-6416, 1992.