Determining Ultralow Absorption Coefficients of Organic Semiconductors from the Sub‐Bandgap Photovoltaic External Quantum Efficiency - Kaiser, Christina; Zeiske, Stefan; Meredith, Paul; Armin, Ardalan (Advanced optical materials, 2020)
Keywords: absorption coefficient; Absorptivity; Attenuation coefficients; Charge transfer; Electromagnetic absorption; Energy gap; external quantum efficiency; Iterative methods; Line shape; Line spectra; Magnetism; Materials science; Optics; Optoelectronic devices; organic photodetectors; Organic semiconductors; organic solar cells; Photovoltaic cells; Quantum efficiency; Spectrophotometry; sub‐bandgap states; Thickness; Transfer matrices