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Citation: ZHANG Jun-Jie, WU Min, QIN Yan-Tao, CHEN Rui, JIANG Yin-Hua, SUN Yue-Ming, YANG Zhao-Hui. Study on Zn(II) Tetracarboxy Phthalocyanine Doped TiO₂ Electrode Using Electrochemical Impedance Spectrum[J]. Acta Physico-Chimica Sinica, ;2008, 24(01): 79-84. doi: 10.3866/PKU.WHXB20080114 shu

Study on Zn(II) Tetracarboxy Phthalocyanine Doped TiO₂ Electrode Using Electrochemical Impedance Spectrum

1.
School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, P. R. China; Xin’anjiang Vocation School, Hangzhou 311600, P. R. China

Received Date: 12 July 2007
Available Online: 7 November 2007

Nanocrystalline TiO2 electrode as well as Zn(II) tetracarboxy phthalocyanine (ZnPcTc) doped mesoporous nanocrystalline TiO2 electrode were fabricated. Electrochemical impedance spectrum (EIS) measurement was used to investigate the electron transfer characters in electrodes and the interface characters. Arcs of EIS and corresponding electrode processes were discussed. Dynamic parameters of the electrodes were evaluated through proper calculation model. On the basis of experimental data, we confirmed that the doping of ZnPcTc into the pure mesoporous nanocrystalline TiO2 electrode could largely decrease the electron transfer resistance, and increase the electrode-electrolyte interface capacity which was benefit to develop the performance of dye-sensitized solar cell (DSSC).
- TiO2 electrode; Doping, Zn(II) tetracarboxy phthalocyanine; EIS
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沈阳化工大学材料科学与工程学院沈阳 110142

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Study on Zn(II) Tetracarboxy Phthalocyanine Doped TiO2 Electrode Using Electrochemical Impedance Spectrum

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通讯作者: 陈斌, bchen63@163.com

Study on Zn(II) Tetracarboxy Phthalocyanine Doped TiO₂ Electrode Using Electrochemical Impedance Spectrum