Performance enhancement of dye-sensitized solar cells by incorporating graphene sheets of various sizes
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Dye-sensitized solar cells (DSSCs) were fabricated using photoanodes made from graphene-TiO 2 nanocomposites. The dependence of the size of graphene sheets on the cell performance was investigated. The experimental results indicated that cells loaded with the smaller graphene sheets yielded larger enhancement. The smaller graphene sheets improved the dye adsorption, leading to higher conversion efficiency. The DSSC incorporated with graphene sheets of 184 nm exhibited the largest enhancement in efficiency (49%) as compared to the cell without graphene. 2014 Elsevier B.V.
author list (cited authors)
Satapathi, S., Gill, H. S., Das, S., Li, L., Samuelson, L., Green, M. J., & Kumar, J.
complete list of authors
Satapathi, Soumitra||Gill, Hardeep Singh||Das, Sriya||Li, Lian||Samuelson, Lynne||Green, Micah J||Kumar, Jayant