Abstract

The steady-state and transient photoconductivity measurements on CuInSe 2 films prepared by solution growth technique have been performed as a function of temperature and illumination intensities. Photo-conductivity is found to increase exponentially with increasing temperature and the photocurrent ( I ph) obeys a power law: I ph ∝ F γ . The transient photoconductivity data show that the rise/decay of photocurrent is fast in the beginning and slower thereafter. The overall photoelectric behaviour suggests a bimolecular recombination mechanism for CuInSe 2.

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