摘要:通过添加碱金属化合物矿化剂,以Sr(NO3)2和钛酸丁酯的水解产物TiO(OH)2为原料进行固态反应,制得结晶完整性较好的SrTiO3粉末.再由浸渍法负载CoO,制备出新型光催化分解水催化剂CoO/SrTiO3.在400W高压汞灯照射下,产氢速率可达到480μmol/(g·h).SEM、XRD、UV-vis漫反射光谱表征结果显示,合成SrTiO3时加入KOH矿化剂可使固态反应完全,SrTiO3结晶完整性提高,进而促进其光催化活性提高.确定了适宜的KOH矿化剂用量为2.0%.
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