Journal
2ND INTERNATIONAL MATERIALS, INDUSTRIAL, AND MANUFACTURING ENGINEERING CONFERENCE, MIMEC2015
Volume 2, Issue -, Pages 108-112Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.promfg.2015.07.019
Keywords
SnO2; ZnO; dye-sensitized solar cell; electron transfer
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This works mention on improvement of power conversion efficiency of dye-sensitized solar cell by addition of SnO2 into ZnO photoanode. Power conversion efficiency is achieved by reduction of transfer resistance to induce pathway direction for electron transfer in photoanode which observed in term of steady photocurrent density. Dye-sensitized solar cell was fabricated from additive SnO2 weight ratio of 3-9% in ZnO nanoparticles and dissolved into polyethylene glycol solution. SnO2-ZnO composites were prepared on fluorine doped tin oxide glass substrate by doctor blade technique and annealed at 450 degrees C for 1 h. It was found that the SnO2 weight ratio of 7% showed the maximum power conversion efficiency and fill factor of 1.75% and 0.46, respectively. In addition, electrochemical parameters were calculated from electrochemical impedance spectroscopy data under standard simulated sunlight. Transfer resistance at the interfaces and electron life time were decreased as increasing of SnO2 weight ratio, indicated that electron transferring rate was improved. (C) 2015 The Authors. Published by ELsevier B.V.
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