Artículo
Synergistic strategies for the preparation of highly efficient dye-sensitized solar cells on plastic substrates: combination of chemical and physical sintering
Autor/es | Li, Yuelong
Yoo, Kicheon Lee, Doh-Kwon Kim, Jin Young Son, Hae Jung Kim, Jong Hak Lee, Chul-Ho Ko, Min Jae Míguez García, Hernán Ruy |
Fecha de publicación | 2015 |
Fecha de depósito | 2018-04-09 |
Publicado en |
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Resumen | Preparation of well-interconnected TiO2 electrodes at low temperature is critical for the fabrication of highly efficient dye-sensitized solar cells (DSCs) on plastic substrates. Herein we explore a synergistic approach ... Preparation of well-interconnected TiO2 electrodes at low temperature is critical for the fabrication of highly efficient dye-sensitized solar cells (DSCs) on plastic substrates. Herein we explore a synergistic approach using a combination of chemical and physical sintering. We formulate a binder-free TiO2 paste based on “nanoglue” as the chemical sintering agent, and use it to construct a photoelectrode on plastic by low-temperature physical compression to further improve the connectivity of TiO2 films. We systematically investigated the factors affecting the photovoltaic performance and found the conditions to achieve electron diffusion lengths as long as 25 mm and charge collection efficiencies as high as 95%, as electrochemical impedance spectroscopy measurements indicate. We apply this approach to obtain a DSC deposited on plastic displaying 6.4% power conversion efficiency based on commercial P25 titania particles |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España European Union (UE). FP7 |
Cita | Li, Y., Yoo, K., Lee, D., Kim, J.Y., Son, H.J., Kim, J.H.,...,Míguez García, H.R. (2015). Synergistic strategies for the preparation of highly efficient dye-sensitized solar cells on plastic substrates: combination of chemical and physical sintering. RSC Advances, 5, 1-9. |
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