Le Roux, Lukas JHietkamp, S2009-03-092009-03-092008-07Le Roux, L.K. and Hietkamp, S. 2008. Electron migration and stability of dye solar cells. Conference proceedings, UWC, pp 17http://hdl.handle.net/10204/3192Dye-sensitised photoelectrochemical solar cells with four different electrolyte combinations were assembled and characterised using current voltage measurements. The effects that the solvents (acetonitrile - ACN and propionitrile - PN) have on the efficiency of the cells were investigated. Two physical properties of the solvents (viscosity and permittivity) were used in this comparison. Electrochemical impedance spectroscopy (Nyquist and Bode plots) was used for analysis of the charge transfer processes. The different electrolyte combinations had a significant difference on the short circuit currents (ISC) 42 and 48 mA for B and A respectively while the solvents had almost no effect. The results show that the solvents have the greatest effect on the efficiencies of the cellsenDye solar cellNyquist plotBode plotI–V curveImpedance spectroscopyViscosityPermittivityArticleLe Roux, L. J., & Hietkamp, S. (2008). Electron migration and stability of dye solar cells. http://hdl.handle.net/10204/3192Le Roux, Lukas J, and S Hietkamp "Electron migration and stability of dye solar cells." (2008) http://hdl.handle.net/10204/3192Le Roux LJ, Hietkamp S. Electron migration and stability of dye solar cells. 2008; http://hdl.handle.net/10204/3192.TY - Article AU - Le Roux, Lukas J AU - Hietkamp, S AB - Dye-sensitised photoelectrochemical solar cells with four different electrolyte combinations were assembled and characterised using current voltage measurements. The effects that the solvents (acetonitrile - ACN and propionitrile - PN) have on the efficiency of the cells were investigated. Two physical properties of the solvents (viscosity and permittivity) were used in this comparison. Electrochemical impedance spectroscopy (Nyquist and Bode plots) was used for analysis of the charge transfer processes. The different electrolyte combinations had a significant difference on the short circuit currents (ISC) 42 and 48 mA for B and A respectively while the solvents had almost no effect. The results show that the solvents have the greatest effect on the efficiencies of the cells DA - 2008-07 DB - ResearchSpace DP - CSIR KW - Dye solar cell KW - Nyquist plot KW - Bode plot KW - I–V curve KW - Impedance spectroscopy KW - Viscosity KW - Permittivity LK - https://researchspace.csir.co.za PY - 2008 T1 - Electron migration and stability of dye solar cells TI - Electron migration and stability of dye solar cells UR - http://hdl.handle.net/10204/3192 ER -