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Graphene oxide enabled hole transport characteristics in iodide/tri-iodide for improved dye sensitized solar cell performance

Publication Type : Journal Article

Thematic Areas : Nanosciences and Molecular Medicine

Publisher : Materials Letters,

Source : Materials Letters, Volume 285, p.129176 (2021)

Url : https://www.sciencedirect.com/science/article/pii/S0167577X20318838

Keywords : Carbon Materials, electrolyte, graphene oxide, Hole transport, Solar energy materials

Campus : Amritapuri

School : Center for Nanosciences

Center : Amrita Center for Nanosciences and Molecular Medicine Move

Department : Nanosciences and Molecular Medicine

Year : 2021

Abstract : Adding 6 wt% of graphene oxide (GO) into iodide-triiodide (I−/I−3) electrolyte improved dye sensitized solar cell (DSSC) performance by a factor of 100% (from 3.5% to 7.0%) by achieving effective hole transport. Performance of DSSCs was suppressed by a factor of 17% (from 3.5% to 2.9%) due to the GO more than 6 wt%. GO improved the hole transport for an optimum concentration in the I−/I−3 while impeded the same for higher concentration due to the reduction in diffusivity. The presented work established a simple and straight forward approach to improve the performance of DSSCs by improving hole transport.

Cite this Research Publication : D. Krishnan, Powar, N. Suresh, Arya Vasanth, Ramanathan, K. Velu, Shantikumar V Nair, and Dr. Mariyappan Shanmugam, “Graphene oxide enabled hole transport characteristics in iodide/tri-iodide for improved dye sensitized solar cell performance”, Materials Letters, vol. 285, p. 129176, 2021.

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