Development of novel solid-solution photocatalysts for environmental remediation under visible light irradiation

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Our dairy life is exposed to many kinds of harmful compounds, such as VOCs (volatile organic compounds). For our safe life, it is important to remove these harmful compounds. Photocatalytic technology is regarded as a potential method for solving these problems. However, since the photocatalysts which have already developed are not sensitive to visible light, the photocatalytic technology is difficult to be utilized for indoor application, at present. Therefore, in this study we tried to find novel visible light sensitive photocatalysts, of which band gaps were controlled by preparation of solid solutions. As a result, we succeeded in developing of novel visible light sensitive photocatalysts and finding novel methods for development of high active materials.