期刊
DYES AND PIGMENTS
卷 96, 期 2, 页码 595-601出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2012.10.005
关键词
Dye-sensitized solar cell; Gardenia yellow; Adsorption properties; Photovoltaic properties; TiO2 thin film; Electrochemical properties
资金
- Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Korea Government Ministry of Knowledge Economy [201140100090]
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2012010655]
Adsorption characteristics, electrochemical properties and photovoltaic efficiency of dye-sensitized solar cells employing gardenia yellow as a natural photosensitizer were systematically investigated. Adsorption equilibrium and kinetic data were measured and fitted using adsorption isotherms and kinetic models. Electrochemical properties for electron harvesting and electron transport were evaluated based on incident photon to current conversion efficiency, intensity-modulated photocurrent spectroscopy and intensity-modulated photovoltage spectroscopy. The results showed that the conversion efficiency of the natural DSSC was highly dependent on the adsorption characteristics of the natural dye on mesoporous TiO2 thin films. (C) 2012 Elsevier Ltd. All rights reserved.
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