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| Pt/TiO2催化剂的载体结构对甲醇催化氧化性能的影响 | |
| 引用本文： | 金梅梅,王新德,贾建洪,董华青. Pt/TiO2催化剂的载体结构对甲醇催化氧化性能的影响[J]. 原子与分子物理学报, 2015, 32(6): 519-525 |
| 作者姓名： | 金梅梅 王新德 贾建洪 董华青 |
| 作者单位： | 浙江工业大学 |
| 基金项目： | 浙江省科技项目（2011C21008） |
| 摘 要： | 二氧化钛载体包括二氧化钛纳米管阵列(TNTAs)和二氧化钛纳米线阵列(TNWAs)两种，载体的结构不同对催化性能有一定的影响。然而，Pt负载在TNTAs和TNWAs催化性能的比较鲜有报道。本文通过微波法制备了Pt/TNTAs和Pt/TNWAs两种催化剂，结果表明，Pt/TNTAs催化甲醇氧化效果要优于Pt/TNWAs。相较于Pt/TNWAs, Pt/TNTAs的优越催化性能可能与纳米管的限域效应有关。可见，载体的结构对催化剂的性能有很大的影响。 |
| 关 键 词： | 二氧化钛； 结构； Pt催化剂； 甲醇氧化；限域效应； |
| 修稿时间： | 2014-01-08 |
Influence of TiO2 architecture on the performance of supported Pt catalysts for methanol oxidation |
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| Jin Mei-Mei. Influence of TiO2 architecture on the performance of supported Pt catalysts for methanol oxidation[J]. Journal of Atomic and Molecular Physics, 2015, 32(6): 519-525 | |
| Authors: | Jin Mei-Mei |
| Affiliation: | Zhejiang University of Technology |
| Abstract: | The architecture of TiO2 supports include two mainly types: TiO2 nanotube arrays (TNTAs) and TiO2 nanowire arrays (TNWAs), which have a strong influence on the catalysis properties, however, comparison of the catalysis performance of Pt supported on TNTAs and TNWAs has not been studied yet. In this work, we studied the performances of the two TiO2 supported Pt catalysts for methanol oxidation. Pt/TNTAs and Pt/TNWAs were prepared by microwave heating method. The results demonstrated that Pt/TNTAs showed a superior performance than supported on TNWAs for methanol oxidation. We speculate that the excellent activity of Pt/TNTAs was due to the confinement effects. The study reveals that support architecture plays an important role in the performances of Pt catalysts for methanol oxidation. |
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