Functionalized graphene with iodine and the investigation of its effect in DSSCs
College of Science
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.
Ondevilla, J. V., Querebillo, C. U., Somintac, A., Salvador, A., & Enriquez, E. P. (2011). Functionalized graphene with iodine and the investigation of its effect in DSSCs. Retrieved from https://animorepository.dlsu.edu.ph/faculty_research/8582
Graphene—Electric properties; Dye-sensitized solar cells