Abstract
Vanadylphthalocyanine (VOPc) thin films were prepared on a PET (polyethyleneterephthalate) film substrate by a molecular beam epitaxy (MBE). The PET substrate is more flexible, transparent and simple in manufacturing than alkali-halide one. Therefore, the VOPc thin film accumulated on PET film is attractive in making waveguides. On the other hand, the third harmonic intensity of nonlinear optical film increases with the thickness of VOPc thin film. Therefore, It's important to prepare a thicker VOPc film on PET substrate. Conditions for preparing a VOPc film on PET film are not well understood yet. In this paper, we succeeded to prepare the VOPc films on PET substrate. VOPc nonlinear optical films were obtained under the control of substrate temperature, and evaporating time.
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