Functionalized graphene with iodine and the investigation of its effect in DSSCs
Covalent modification of graphene offers an alternative approach to tailor its electronic properties. In this study, a modified Hunsdiecker reaction is used to covalently attach iodine to the graphene structure. The product was characterized using Raman Spectroscopy. Raman spectra showed a modificat...
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| Main Authors: | , , , , |
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| Format: | text |
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Animo Repository
2011
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| Subjects: | |
| Online Access: | https://animorepository.dlsu.edu.ph/faculty_research/8582 |
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| Institution: | De La Salle University |
| Summary: | Covalent modification of graphene offers an alternative approach to tailor its electronic properties. In this study, a modified Hunsdiecker reaction is used to covalently attach iodine to the graphene structure. The product was characterized using Raman Spectroscopy. Raman spectra showed a modification in the graphene structure based on changes in the D and G band relative intensities. The product was further tested in the dye-sensitized solar cell (DSC) as replacement for the common electrolyte I-/I3-. Without the presence of the iodine-based electrolyte, and using only the modified graphene, the DSSC registered photoactivity but at very low photovoltage. |
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