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Panchromatic response composed of hybrid visible-light absorbing polymers and near-IR absorbing dyes for nanocrystalline TiO2-based solid-state solar cells |
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| Authors: | Hyo Joong Lee Henry C LeventisSaif A Haque Tomas TorresMichael Grätzel Md Khaja Nazeeruddin |
| Affiliation: | a Laboratory for Photonics and Interfaces, Institute of Chemical Sciences and Engineering, School of Basic Sciences, Swiss Federal Institute of Technology, CH-1015 Lausanne, Switzerland b Department of Chemistry, Imperial College of Science Technology and Medicine, London SW72AZ, UK c Departamento de Quimica Orgánica, Universidad Autónoma de Madrid (UAM), 28049 Madrid, Spain |
| Abstract: | In pursuit of panchromatic sensitizers for mesoporous TiO2-based solid-state solar cells, a near-IR absorbing zinc phthalocyanine dye (coded TT1) was firstly adsorbed over relatively thin (∼1 μm) TiO2 mesoporous films and then a visible-light absorbing polymer regioregular poly(3-hexylthiophene), P3HT] was incorporated into the mesopores as both a second sensitizer and a solid hole conductor. After optimizing some experimental parameters, these hybrid solid-state cells exhibited a clear panchromatic response, and an overall conversion efficiency of around 1% at full sun intensity. |
| Keywords: | Hybrid sensitizer Dye-sensitized solar cell (DSSC) Poly(3-hexylthiophene) Zinc phthalocyanine dye (TT1) Solid-state solar cell |
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