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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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cds-pt-tio2催化剂的制备及其在甘油/水体系中的光催化产氢性能
DOI: 10.3969/j.issn.1671-7627.2015.02.007, PP. 33-38
Keywords: cds量子点,cds-pt-tio2,介孔双晶tio2,甘油-水体系,光催化,产氢
Abstract:
基于高比表面介孔双晶tio2晶须(tio2(m)),通过共同负载活性组分pt和cds量子点(qds),制备得到cds-pt-tio2(m)三元复合催化剂。使用透射电子显微镜(tem)、x线衍射仪(xrd)、紫外-可见光吸收光谱仪(uv-vis)和n2吸附-脱附方法对催化剂的形貌和结构进行表征,并以生物质甘油-水为光催化产氢评价体系。结果表明:通过多种活性组分的共同负载,使得tio2光催化剂实现了较好的可见光催化活性,cds-pt-tio2(m)的平均产氢速率达到0.56mmol/(g·h)。
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