Statistical TiO2/dye-mass dependence and dye-regeneration efficiency on dye-sensitized solar cells
| Autor: | Kyung-Jun Hwang, Gunwoo Kim, Dong-Won Park, Chulmin Choi, Young Jin Kim, Sungho Jin, Yonkil Jeong, Yong-Kook Choi |
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| Rok vydání: | 2015 |
| Předmět: |
Dye-sensitized solar cell
Electron density Charge-carrier density Materials science Renewable Energy Sustainability and the Environment Energy conversion efficiency Kinetics Analytical chemistry Ionic bonding General Materials Science Electrical and Electronic Engineering Saturation (chemistry) Current density |
| Zdroj: | Nano Energy. 16:383-388 |
| ISSN: | 2211-2855 |
| DOI: | 10.1016/j.nanoen.2015.07.016 |
| Popis: | Dye-sensitized solar cells (DSCs) were statistically investigated on TiO 2 thickness and dye-mass dependence. The DSC devices exhibited a trend of performance saturation from an approximately 15 μm TiO 2 thickness with 10 −7 mol/cm 2 dye-mass, which was estimated to be a maximum engineering condition required for effective charge-transfer kinetics in this investigation. The prominent factor for power conversion efficiency was increase of short-circuit current density by decrease of charge-transfer resistance with a heavy load of dye-mass. The dye-regeneration efficiency evaluated from a minimum electron density and a transferred counterpart ionic carrier density was approximately ranged between 1.5 and 3.0%. |
| Databáze: | OpenAIRE |
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