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Optimization of Electrolyte Components on the Performance of Organic-Dye-Sensitized Solar Cells

Title
Optimization of Electrolyte Components on the Performance of Organic-Dye-Sensitized Solar Cells
Authors
Nam, Jung EunJo, Hyo JeongKang, Jin-KyuWoo, SunghoHwang, Dae-Kue
DGIST Authors
Nam, Jung Eun; Jo, Hyo Jeong; Kang, Jin-KyuWoo, SunghoHwang, Dae-Kue
Issue Date
2017-11
Citation
Journal of Nanoscience and Nanotechnology, 17(11), 8100-8104
Type
Article
Article Type
Article
Keywords
1 Methyl 3 Propylimidazolium IodideDye Sensitized Solar Cell (DSC)Dye Sensitized Solar Cells (DSCs)DyesEfficiencyElectrochemical Impedance Spectroscopy (EIS)Electrochemical Impedance Spectroscopy MeasurementsElectrolyteElectrolytesIonic LiquidIonic LiquidsLiquid ElectrolytesLithium IodideMetal Free Organic DyeOpen Circuit VoltageOpen Circuit Voltage DecaysOrganic DyePower Conversion EfficienciesSolar CellsVoltage Curve
ISSN
1533-4880
Abstract
In this study, we optimized the electrolyte components with different composition and additives on the performance of new metal-free organic dye-sensitized solar cells. The liquid electrolyte consisted of iodine (I2, lithium iodide (LiI), guanidinium thiocyanate (GuSCN) and 1-methyl-3-propylimidazolium iodide (MPII) or 1,2-dimethyl-3-propylimidazolium iodide (DMPII). DSSC characteristics were investigated by current density–voltage curve, open circuit voltage decay (OCVD), and electrochemical impedance spectroscopy (EIS) measurements. Containing the LiI can affect incident photon-to-current conversation efficiency (IPCE) as well as increased the Jsc, and the addition of GuSCN increases both Voc and short circuit current (Jsc resulting in increased power conversion efficiency. Copyright © 2017 American Scientific Publishers All rights reserved
URI
http://hdl.handle.net/20.500.11750/4746
DOI
10.1166/jnn.2017.15115
Publisher
American Scientific Publishers
Related Researcher
Files:
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Collection:
Convergence Research Center for Solar Energy1. Journal Articles


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