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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 4
BKCSDE 33(4)
April 20, 2012

Title	A New Unsymmetrical Zinc Phthalocyanine as Photosensitizers for Dye-sensitized Solar Cells
Author	Dan Zhang, Xue-Jun Zhang,* Lei Zhang, Li-Jun Mao
Keywords	Phthalocyanine, Unsymmetrical, Dye-sensitized solar cells, Electrochemistry
Abstract	A new unsymmetrical zinc phthalocyanine has been designed and synthesized based on the ‘push-pull’ and extended π-conjugation concept for the dye-sensitized solar cells. Three tert-butoxy groups, which act as electron releasing (‘push’), enhance the solubility of phthalocyanine in common organic solvents and reduce the aggregation. Hydroxy substituted 9,10-anthraquinones act as electron acceptors (‘pull’) for the study of photoinduced electron transfer processes as well as grafting onto nanocrystalline TiO2. The new unsymmetrical zinc phthalocyanine was fully characterized by FTIR, UV-vis, 1H NMR, cyclic voltammetry and differential pulse voltammetry. The new sensitizer was tested in dye-sensitized solar cells, and gave a better performance.
Page	1225 - 1230
Full Text	PDF

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