COLOR LUMINESCENT NANO-SIZED COMPOSITE

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PROBLEM TO BE SOLVED : To provide a color luminescent nano-sized material, enabling strong luminescence of various colors and color tone control and having high stability of luminescence property even when combined with various kinds of matrix materials.SOLUTION : The color luminescent nano-sized composite is obtained by using a nano-sized particulate zeolite having pores as a host body and carrying a luminescent substance such as a rare earth ion and a photosensitizer on the interiors of the pores. The composite does not cause change of luminescent characteristics and does not cause cloudiness even when combined with a solvent or a light-transmitting material of a plastic. The composite, further can provide luminescence having desired color by changing the kinds and the ratios of the luminescent substance or adequately controlling the temperature and the excitation wavelength.COPYRIGHT : (C)2007, JPO&INPIT