[1] [1] T. Saito, W. Sisk, T. Kobayashi et al.. Photocarrier generation processes of phthalocynines studied by photocurrent and electroabsorption measurements. J. Phys. Chen., 1993, 97(30): 8026～8031

[2] [2] Y. L. Pan, Y. J. Wu, L. B. Chen et al.. Structure and spectroscopic characterization of polycrystalline vanadyl phthalocyanine (VOPc) films fabricated by vacuum deposition. Appl. Phys. (A), 1998, 66(5): 569～573

[4] [4] A. K. Ghosh, T. Feng. Merocyanine organic solar cells. J. Appl. Phys., 1978, 49(12): 5982～5989

[5] [5] A. S. Riad, S. M. Khalil, S. Darwish. Effect of temperature on photo conduction and low frequency capacitance measurements on β-CuPc photovoltaic cells. Thin Solid Films, 1994, 249(2): 219～223

[7] [7] D. Campbell, R. A. Collins. Spectral response of monoclinic and triclinic lead phthalocyanine to nitrogen dioxide. Thin Solid Films, 1995, 261(10): 311～316