Narrow-Bandgap Photovoltaic Devices Operating at Room Temperature and Above with High Open-Circuit Voltage
H. Lotfi, R. T. Hinkey, L. Li, R. Q. Yang, J. F. Klem, and M. B. Johnson, “Narrow-Bandgap Photovoltaic Devices Operating at Room Temperature and Above with High Open-Circuit Voltage”, Appl. Phys. Lett, 102, 211103 (2013).