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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 28, Number 1
BKCSDE 28(1)
January 20, 2007 
 
Title
 Novel Extended π -Conjugated Dendritic Zn(II)-porphyrin Derivatives for Dye-sensitized Solar Cell Based on Solid Polymeric Electrolyte: Synthesis and Characterization
Author
 Min Soo Kang, Jae Buem Oh, Soo Gyun Roh, Mi-Ra Kim, Jin Kook Lee, Sung-Ho Jin*, Hwan Kyu Kim*
Keywords
 Zn(II)-porphyrins, Dye-sensitized solar cell, Solid polymeric electrolyte, Power conversion efficiency
Abstract
 We have designed and synthesized three Zn(II)-porphyrin derivatives, such as Zn(II) porphyrin ([G-0]Zn-P1) and aryl ether-typed dendron substituted Zn(II)-porphyrin derivatives ([G-1]Zn-P1 and [G-1]Zn-P-CN1). Their chemical structures were characterized by 1H-NMR, FT-IR, UV-vis absorption, EI-mass, and MALDI-TOF mass spectroscopies. Their electrochemical properties were studied by cyclic voltammetry measurement. These Zn(II)-porphyrin derivatives have been used to fabricate dye-sensitized solar cells (DSSCs) based on solid polymeric electrolytes as dye sensitizers and their device performances were evaluated by comparing with that of a standard Ru(II) complex dye. [G-1]Zn-P-CN1 showed the enhanced power conversion efficiency than those of other porphyrin derivatives, as expected. Short-circuit photocurrent density (Jsc), open-circuit voltage (Voc), fill factor (FF), and power conversion efficiency (η) of solid-typed DSSC for [G-1]Zn-P-CN1 were evaluated to be Jsc = 11.67 mA/cm2, Voc = 0.51 V, FF = 0.46, and η = 2.76%, respectively.
Page
 33 - 40
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