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2011•Molecular Crystals and Liquid CrystalsRequires access

Effect of Conducting Ability of Electrolytes on the Photovoltaic Performance of Quasi-Solid State Dye-Sensitized Solar Cells

Tran Thanh Trang, Jun Yun Kim, Jun Yun Kim, Jeong Gwan Lee, Jong Hun Cheon, Na Ree Kim, Kwang‐Soon Ahn, Jae Hong Kim, Jae Hong Kim

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Abstract

DSSCs based on quasi-solid type of electrolytes were prepared to investigate the influence of ionic mobility and recombination kinetics in electrolytes on DSSC performances. The improved ionic mobility of electrolyte in PMMA system resulted in the enhancement of Jsc value in DSSC which was well confirmed with the incident photon-to-current spectra and the impedance analysis. Furthermore, the retarded recombination rate from TiO2 electrode to electrolyte in PMMA system enhanced the electron life time of DSSC in the photoanode. DSSCs based on quasi-solid type of electrolytes composed of PMMA showed a power conversion efficiency of 3.36% underAM 1.5 illumination (100 mWcm−2) in an photo active area of 0.24 cm2, short circuit current density of 7.69 mAcm−2, open circuit photo voltage of 0.69 Vandafill-factor of 64%.

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What this paper is about

DSSCs based on quasi-solid type of electrolytes were prepared to investigate the influence of ionic mobility and recombination kinetics in electrolytes on DSSC performances. The improved ionic mobility of electrolyte in PMMA system resulted in the enhancement of Jsc value in DSSC which was well confirmed with the incident photon-to-current spectra and the impedance analysis. Furthermore, the retarded recombination rate from TiO2 electrode to electrolyte in PMMA system enhanced the electron life time of DSSC in the photoanode. DSSCs based on quasi-solid type of electrolytes composed of PMMA showed a power conversion efficiency of 3.36% underAM 1.5 illumination (100 mWcm−2) in an photo active area of 0.24 cm2, short circuit current density of 7.69 mAcm−2, open circuit photo voltage of 0.69 Vandafill-factor of 64%.

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Available abstract

DSSCs based on quasi-solid type of electrolytes were prepared to investigate the influence of ionic mobility and recombination kinetics in electrolytes on DSSC performances. The improved ionic mobility of electrolyte in PMMA system resulted in the enhancement of Jsc value in DSSC which was well confirmed with the incident photon-to-current spectra and the impedance analysis. Furthermore, the retarded recombination rate from TiO2 electrode to electrolyte in PMMA system enhanced the electron life time of DSSC in the photoanode. DSSCs based on quasi-solid type of electrolytes composed of PMMA showed a power conversion efficiency of 3.36% underAM 1.5 illumination (100 mWcm−2) in an photo active area of 0.24 cm2, short circuit current density of 7.69 mAcm−2, open circuit photo voltage of 0.69 Vandafill-factor of 64%.

Key concepts: Photovoltaic system, Dye-sensitized solar cell, Electrolyte, Solid-state, Materials science, Quasi-solid, Chemical engineering, Optoelectronics

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Effect of Conducting Ability of Electrolytes on the Photovoltaic Performance of Quasi-Solid State Dye-Sensitized Solar Cells — Research Paper | ScholarLens