本研究發展合成輻射致效型光觸媒複合材料，以水解法將TiO2製備於矽膠基材上，解決奈米粉末在溶液中聚合與回收奈米粉末再利用的問題，並利用EDTA螯合劑將BaF2製備於含TiO2之光觸媒上，以克服傳統光觸媒受限於UV光穿透率不佳。以SEM/EDX、BET、XPS及ICP-AES等分析技術，分別鑑定光觸媒複合材料表面之組態、表面積、化學鍵結及成份濃度；並以環境中常見之污染物－酚作為研究對象，探討其受光觸媒光催化之效果。UV-Vis顯示光觸媒複合材料能夠有效降解酚污染物，HPLC提供了酚降解後之中間產物變化情形，TOC證明光觸媒複合材料具有礦化污染物的功效。經由HPLC分析圖譜顯示游離輻射與UV光光催化所產生之副產物非常類似，推測作用機制相同：游離輻射激發BaF2，使其能階改變並釋出可供TiO2進行反應之光子，進行光催化反應。輻射致效型光觸媒複合材料提供光催化反應一個新的選擇方式，未來可應用於放射性廢料的處理問題。

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