Abstract

Photoconductivity response spectra for CuInS2, CuInSe2 and CuInTe2 thin films are reported. The temperature dependences of the spectra are utilized to determine the bandgap energies as functions of temperature. Photoconductive response times are measured for these I–III–VI2 ternary semiconductors and are discussed in terms of deposition parameters and post-deposition treatments. The photoconductive decay times are in the range 10-3 – 101 ms.

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