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本工作用气相色谱技术跟踪醇类在各种半导体催化剂上光助脱氢的动力学行为。用铂和RuO_2修饰TiO_2的双功能氧化还原催化剂,可显著地提高醇类光助催化脱氢的活性,醇类在Pt-RuO_2-TiO_2催化剂上光助脱氢活性的顺序为异丙醇>正丁醇>正丙醇>乙醇>甲醇。
This work uses gas chromatography to trace the kinetics of photo-assisted dehydrogenation of alcohols over various semiconductor catalysts. The bifunctional redox catalysts modified with platinum and RuO_2 could significantly improve the photo-catalytic dehydrogenation of alcohols. The order of photo-assisted dehydrogenation of alcohols on Pt-RuO_2-TiO_2 was isopropanol> Butanol> n-propanol> ethanol> methanol.