Generation of inhomogeneous photocurrent in solid-state TiO2dyeCuI cells and effect of ligands attached to surfactant on morphology of CuI films |
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| Authors: | PM Sirimanne H Tributsch |
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| Affiliation: | aNano-Science Laboratory, Institute of Fundamental Studies, Hantana Road, Kandy, Sri Lanka;bDepartment of Solar Energy, Hahn-Meitner Institute, D-14109 Berlin, Germany |
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| Abstract: | Microwave conductivity is observed in TiO2 and CuI films at room temperature. Organic dye pyrogallor red is found to sensitize TiO2 and CuI in solid-state TiO2dyeCuI cells. Effect of ligands attached to crystal growth inhibitors on morphology of CuI films is studied. A weaker crystal growth inhibition was observed when size of ligands attached to surfactant is increased. Reasonable explanations are given for observed inhomogeneous photocurrent and its degradation under illumination. |
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| Keywords: | Tripropylamine hydrothiocyanate Pyrogallor red Solid-state solar cell |
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