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Interface trap states in organic photodiodes
(2013)Organic semiconductors are attractive for optical sensing applications due to the effortless processing on large active area of several cm 2, which is difficult to achieve with solid-state devices. However, compared to ... -
Optical gain analysis of c-InGaN quantum wells on unstrained c-In0.31Ga0.69N templates
(AMER INST PHYSICS, 2013)We investigate the optical properties of c-InxGa1-xN (x = 0.31-0.44) quantum wells (QWs) on unstrained c-In0.31Ga0.69N templates in the green-to-red spectral range using self-consistent multiband k.p theory. The ... -
Carrier density dependences of anisotropic optical properties in closely stacked InAs/GaAs one-dimensional quantum dot superlattices
(2013)We theoretically study the carrier density dependences of optical properties of closely stacked InAs/GaAs one-dimensional quantum dot superlattices based on the eight-band k·p theory. We find that the phonon assisted carrier ... -
Electroluminescence and photoluminescence characterization of multijunction solar cells
(2013)A combined electroluminescence and photoluminescence setup for a fast, nondestructive, and high-resolution characterization of large-area lattice matched GaInP/Ga(In)As/Ge triple-junction space solar cells was developed. ...