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Spectral Sensitivity and Color Selectivity in Multilayer Stacked Devices

  • P. Louro (a1), M. Vieira (a1), A. Fantoni (a1), M. Fernandes (a1), G. Lavareda (a2) (a3) and C. Nunes de Carvalho (a2) (a3)...

Abstract

In this work, an attempt of full color discrimination is presented using as sensitive devices multilayer stacked structures (p(SiC:H)/i(SiC:H)/n(SiC:H)/p(SiC:H)/i(Si:H)/n(Si:H)) sandwiched between two transparent conductive contacts. The thickness and the absorption coefficient of the front p-i-n cell is optimized for blue collection and red transmittance and the thickness of the back one adjusted to achieve full absorption in the green and high collection in the red spectral ranges. The current-voltage characteristics and the spectral sensitivity under different electric and optical bias conditions and light fluxes are analyzed. Results show that color selectivity is achieved by tuning the spectral sensitivity at different applied voltages. A physical model supports the results.

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Spectral Sensitivity and Color Selectivity in Multilayer Stacked Devices

  • P. Louro (a1), M. Vieira (a1), A. Fantoni (a1), M. Fernandes (a1), G. Lavareda (a2) (a3) and C. Nunes de Carvalho (a2) (a3)...

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