H. Lotfi, L. Li, L. Lei, R. Q. Yang, J. F. Klem and M. B. Johnson, “Narrow-Bandgap Interband Cascade Thermophotovoltaic Cells,” in IEEE Journal of Photovoltaics, vol. 7, no. 5, pp. 1462-1468, Sept. 2017, doi: 10.1109/JPHOTOV.2017.2713415.
H. Lotfi, L. Li, L. Lei, R. Q. Yang, J. F. Klem and M. B. Johnson, “Narrow-Bandgap Interband Cascade Thermophotovoltaic Cells,” in IEEE Journal of Photovoltaics, vol. 7, no. 5, pp. 1462-1468, Sept. 2017, doi: 10.1109/JPHOTOV.2017.2713415.