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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/8642


    Title: The Applicability of CNT on the Counter Electrode for the Dye-Sensitized Solar Cell
    Authors: Chuen-Shii Chou1
    You-Jen Lin1
    Ru-Yuan Yang
    Keywords: Dye-Sensitized Solar Cell
    Carbon Nanotubes
    Nanocrystalline TiO2
    Open-Circuit Photocurrent
    Short-Circuit Photovoltage
    Date: 2008-11-08
    Issue Date: 2010-02-24 15:38:41 (UTC+8)
    Abstract: This study investigated the applicability of carbon nano tubes (CNTs) on the FTO-glass (Fluorine doped tin oxide, SnO2:F) substrate of the counter electrode for a dye-sensitized solar cell (DSSC). A nanocrystalline TiO2 layer was fabricated on the FTO-glass substrate of the working electrode using spin coating, and then sintered in a high-temperature furnace. The working electrode with a TiO2 thin film was immersed in the solution of N-719 (Ruthenium) dye for 12 hours. Moreover, the solution of CNTs/Ag-paste was dropped on the FTO-glass substrate of the counter electrode, and then the counter electrode was sintered in a high-temperature furnace. Finally, the DSSC was assembled, and the short-circuit photocurrent and the open-circuit photovoltage of DSSC were measured using a home-made I-V measurement system. This study also examined the effects of the mass ratio of CNTs to Ag-paste, the type of CNTs, the type of FTO-glass substrate and the sintering temperature on the short-circuit photocurrent and the open-circuit photovoltage of the DSSC. This film of CNTs markedly increased the short-circuit photocurrent from 227.3μA (conventional DSSC) to 1354.8μA (DSSC with a film of multi-walled carbon nanotubes (MWNTs)). Nevertheless, this film of CNTs decreased the open-circuit photovoltage from 0.43V (conventional DSSC) to 0.14V (DSSC with a layer of MWNTs). Most importantly, this study shows that the short-circuit photocurrent of the DSSC with a film of MWNTs on the counter electrode (1354.8μA) is not inferior to that of DSSC with a thin film of platinum on the counter electrode (1263.7μA).
    Appears in Collections:[機械工程系所] SME 2008第六屆全國精密製造研討會-國際製造工程學會中華民國分會

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