Functionalized graphene with iodine and the investigation of its effect in DSSCs

Authors

Joan Candice V. Ondevilla, De La Salle University, Manila
Christine U. Querebillo, Ateneo de Manila University
Armando Somintac, University of the Philippines Diliman
Arnel Salvador, University of the Philippines Diliman
Erwin P. Enriquez, University of the Philippines Diliman

College

College of Science

Department/Unit

Chemistry

Document Type

Archival Material/Manuscript

Publication Date

2011

Abstract

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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Recommended Citation

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

Disciplines

Chemistry

Note

Undated; publication/creation date supplied

Keywords

Graphene—Electric properties; Dye-sensitized solar cells

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