High efficiency ITO-free hybrid solar cell using highly conductive PEDOT:PSS with co-solvent and surfactant treatments
Hybrid organic/inorganic heterojunction solar cells were fabricated based on polished n-type crystalline silicon (c-Si) and p-type transparent conducting polymer poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS). The conductivity and wettability of PEDOT:PSS has been significantly im...
| Autores: | , , , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2016 |
| País: | España |
| Institución: | Universitat Politècnica de Catalunya (UPC) |
| Repositorio: | UPCommons. Portal del coneixement obert de la UPC |
| Idioma: | inglés |
| OAI Identifier: | oai:upcommons.upc.edu:2117/91122 |
| Acceso en línea: | https://hdl.handle.net/2117/91122 https://dx.doi.org/10.1016/j.matlet.2016.10.014 |
| Access Level: | acceso abierto |
| Palabra clave: | Solar cells Crystalline silicon PEDOT:PSS Hybrid solar cell Cèl·lules solars Àrees temàtiques de la UPC::Energies::Energia solar fotovoltaica |
| Sumario: | Hybrid organic/inorganic heterojunction solar cells were fabricated based on polished n-type crystalline silicon (c-Si) and p-type transparent conducting polymer poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS). The conductivity and wettability of PEDOT:PSS has been significantly improved by the addition of 5% dimethyl sulfoxide (DMSO) and 0.1% Capstone FS-31 surfactant. Transmission line measurements revealed that the sheet resistance of PEDOT:PSS with 5% DMSO is 122 O/sq, comparable to Indium-Tin Oxide (ITO). Quasi-steady-state photo-conductance measurements showed an implicit open-circuit voltage of 0.61 V with a minority carrier lifetime of 82 µs. The power conversion efficiency of the PEDOT:PSS/n-Si hybrid solar cells is 8.5% with an open-circuit voltage of 0.56 V, a short-circuit current density of 29.7 mA/cm2 and a fill factor of 49.7%. |
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