Macromolecular Research, Vol.19, No.2, 142-146, February, 2011
Fabrications and Photovoltaic Properties of Dye-Sensitized Solar Cells with Electrospun Poly(vinyl alcohol) Nanofibers Containing Ag Nanoparticles
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Poly(vinyl alcohol) (PVA) nanofibers were prepared by an electrospinning method using a PVA solution containing silver nitrate (AgNO3) to improve the photovoltaic properties of dye-sensitized solar cells (DSSC). The electrospun PVA nanofibers containing AgNO3 were irradiated with UV light at 310~380 nm and Ag nanoparticles were generated in their nanofibers. In the DSSC devices using the electrospun PVA/Ag nanofibers, the Jsc, Voc, FF, and η showed the values of 11.9~12.5 mA/cm2, 0.70~0.71 V, 0.55~0.59, and 4.73~4.99%, respectively. When the electrospun PVA/Ag (1 wt%) nanofibers were used in the DSSC device, the power conversion efficiency showed a maximum value of 4.99%, which is higher than that of DSSC using electrospun PVA nanofibers without Ag nanoparticles.
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