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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 24, Number 10
BKCSDE 24(10)
October 20, 2003

Title	Photocurrent Improvement by Incorporation of Single-Wall Carbon Nanotubes in TiO2 Film of Dye-Sensitized Solar Cells
Author	Kyoung-hwa Jung, Song-Rim Jang, R. Vittal, Donghwan Kim, Kang-Jin Kim
Keywords	Single-wall carbon nanotubes, Photocurrent, Dye-sensitized solar cells
Abstract	Single-wall carbon nanotubes (SWCN) were integrated in TiO2 film and the beneficial influence on the dyesensitized solar cells in terms of improved photocurrent was studied in the light of static J-V characteristics obtained both under illumination and in the dark, photocurrent transients, IPCE spectra and impedance spectra. Compared with a solar cell without SWCN, it is established that the photocurrent density of the modified cell increases at all applied potentials. The enhanced photocurrent density is correlated with the augmented concentration of electrons in the conduction band of TiO2 and with increased electrical conductivity. Explanations are additionally corroborated with the help of SEM, Raman spectra and dye-desorption measurements.
Page	1501 - 0
Full Text	PDF

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