采用5种不同的纳米二氧化钛为光催化剂,考察了它们在丙炔水解反应中的光催化活性,并用X射线衍射和漫反射紫外-可见吸收光谱技术进行了表征. 研究了催化剂表面物理化学性质与在丙炔光催化水解反应中的构效关系. 实验结果表明,纳米二氧化钛光催化剂能够引发丙炔的光催化水解反应,生成乙烷和乙烯等产物; 锐钛矿相纳米二氧化钛具有较高的光催化活性,在晶型相同的情况下,影响光催化活性的主要因素是催化剂的粒径和比表面积.
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