Improved efficiency in organic/inorganic hybrid solar cells by interfacial modification of ZnO nanowires with small molecules
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- Improved efficiency in organic/inorganic hybrid solar cells by interfacial modification of ZnO nanowires with small molecules
- Chang, Sehoon; Park, Hyesung; Cheng, Jayce J.; Rekemeyer, Paul H.; Gradecak, Silvija
- Issue Date
- IOP PUBLISHING LTD
- JOURNAL OF PHYSICS D-APPLIED PHYSICS, v.47, no.39, pp.394016
- We demonstrate improved photovoltaic performance of ZnO nanowire/poly(3-hexylthiophene) (P3HT) nanofiber hybrid devices using an interfacial modification of ZnO nanowires. Formation of cascade energy levels between the ZnO nanowire and P3HT nanofiber was achieved by interfacial modification of ZnO nanowires using small molecules tetraphenyldibenzoperiflanthene (DBP) and 3,4,9,10-perylenetetracarboxylic bisbenzimidazole (PTCBI). The successful demonstration of improved device performance owing to the cascade energy levels by small molecule modification is a promising approach toward highly efficient organic/inorganic hybrid solar cells
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