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Conference article

Chemical beam epitaxy of InGaAsN films for multi-junction tandem solar cells

Lee, H., Nishimura, K., Yagi, Y., Tachibana, M., Ekins-Daukes, N. J., Ohshita, Y., Kojima, N. & Yamaguchi, M., 2005 Feb 15, In : Journal of Crystal Growth. 275, 1-2

Research output: Contribution to journalConference article

44 Citations (Scopus)

Comparison of efficiency measurements for a HCPV module with 3J cells in 3 sites

Araki, K., Emery, K., Siefer, G., Bett, A. W., Sakakibara, T., Kemmoku, Y., Ekins-Daukes, N. J., Lee, H. & Yamaguchi, M., 2005 Nov 30, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 846-849 4 p.

Research output: Contribution to journalConference article

11 Citations (Scopus)

Comparison of thermal annealing behavior of radiation induced defects in lattice mismatched InGaP and AIInGaP solar cells structures

Khan, A., Marupaduga, S., Alam, M., Ekins-Daukes, N. J., Lee, H., Sasaki, T. & Yamaguchi, M., 2005 Nov 30, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 663-666 4 p.

Research output: Contribution to journalConference article

Defect observation of AlInGaP irradiated with 30keV protons for multi-junction space solar cells

Lee, H., Ekins-Daukes, N. J., Sasaki, T., Yamaguchi, M., Khan, A., Takamoto, T., Agui, T., Kamimura, K., Kaneiwa, M., Imaizumi, M., Ohshima, T. & Itoh, H., 2005 Nov 30, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 556-558 3 p.

Research output: Contribution to journalConference article

Development of a new 550X concentrator module with 3J cells - Peformance and reliability

Araki, K., Uozumi, H., Kondo, M., Takamoto, T., Agui, T., Kaneiwa, M., Egami, T., Hiramatsu, M., Miyazaki, Y., Kemmoku, Y., Akisawa, A., Lee, H. S., Ekins-Daukes, N. J. & Yamaguchi, M., 2005 Nov 30, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 631-634 4 p.

Research output: Contribution to journalConference article

15 Citations (Scopus)

Effects of a low-energy proton irradiation on n+/p-AlInGaP solar cells

Lee, H., Yamaguchi, M., Ekins-Daukes, N. J., Khan, A., Takamoto, T., Imaizumi, M., Ohshima, T. & Itoh, H., 2006 Apr 1, In : Physica B: Condensed Matter. 376-377, 1, p. 564-567 4 p.

Research output: Contribution to journalConference article

2 Citations (Scopus)

Effects of thermal cycle annealing on reduction of defect density in lattice-mismatched InGaAs solar cells

Sasaki, T., Arafune, K., Lee, H., Ekins-Daukes, N. J., Tanaka, S., Ohshita, Y. & Yamaguchi, M., 2006 Apr 1, In : Physica B: Condensed Matter. 376-377, 1, p. 626-629 4 p.

Research output: Contribution to journalConference article

14 Citations (Scopus)

Field test and analysis: The behavior of 3-J concentrator cells under the control of cell temperature

Lee, H., Ekins-Daukes, N. J., Araki, K., Kemmoku, Y. & Yamaguchi, M., 2005 Nov 30, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 754-757 4 p.

Research output: Contribution to journalConference article

8 Citations (Scopus)

Influence of surface steps on N incorporation in GaAsN grown by chemical beam epitaxy

Nishimura, K., Lee, H. S., Suzuki, H., Kawahigashi, T., Imai, T., Saito, K., Ohshita, Y. & Yamaguchi, M., 2006 Oct 31, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 3, 8, p. 2689-2692 4 p.

Research output: Contribution to journalConference article

2 Citations (Scopus)

Native and radiation induced defects in lattice mismatched InGaAs and InGaP

Ekins-Daukes, N. J., Arafune, K., Lee, H. S., Sasaki, T., Yamaguchi, M., Khan, A., Takamoto, T., Agui, T., Kamimura, K., Kaneiwa, M., Imaizumi, M., Ohshima, T. & Itoh, H., 2005 Nov 30, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 683-686 4 p.

Research output: Contribution to journalConference article

Nitrogen incorporation in GaInNAs grown by chemical beam epitaxy for multi-junction tandem solar cell

Nishimura, K., Lee, H., Suzuki, H., Gono, I., Kojima, N., Ohshita, Y. & Yamaguchi, M., 2005 Nov 30, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 722-724 3 p.

Research output: Contribution to journalConference article

3 Citations (Scopus)

Syracuse - A multi-junction concentrator system computer model

Ekins-Daukes, N. J., Betts, T. R., Kemmoku, Y., Araki, K., Lee, H., Gottschalg, R., Boreland, M. B., Infield, D. G. & Yamaguchi, M., 2005 Nov 30, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 651-654 4 p.

Research output: Contribution to journalConference article

25 Citations (Scopus)